A speaker can ensure that an audience remembers the most important
point of a speech by putting the point at the beginning of the speech so the audience hears it first. This is option (C).
Justifying why important points should be spoken firstIt is a known fact that audience's attention is at its highest level at the beginning of the speech, and they are more likely to remember the first thing they hear.
Providing too many details can overwhelm the audience and make it difficult for them to remember the key point. Putting the point at the end of the speech may not be effective, as the audience may have already forgotten it by the time the speaker reaches the end.
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Choose the balanced chemical equation below that best represents the following reaction:
When baking soda (NaHCO3) reacts with hydrochloric acid (HCl), carbon dioxide bubbles (CO2) are created, along with water (H2O) and sodium chloride (NaCl).
NaCl + H2O → NaHCO3 +CO2 + HCl
CO2 +H2O + NaCl → NaHCO3 + HCl
NaHCO3 + HCl → CO2 + H2O + NaCl
HCl + NaCl + H2O → NaHCO3 +CO2
The balanced chemical equation :
NaHCO₃ + HCl → CO₂ + H₂O + NaCl
Further explanationA balanced chemical reaction shows that the number of atoms of the reactant and the number of atoms of the product is the same
When baking soda (NaHCO3) reacts with hydrochloric acid (HCl), carbon dioxide bubbles (CO2) are created, along with water (H2O) and sodium chloride (NaCl) .
This statement shows that
Reactants (located to the left of the reaction)
Baking soda (NaHCO₃) and Hydrochloric acid (HCl)
product (located to the right of the reaction)
Carbon dioxide(CO₂),water (H₂O) and Sodium chloride (NaCl).
So the reaction :
NaHCO₃ + HCl → CO₂ + H₂O + NaCl
Predict the decreasing order of vapor pressure for the following compounds i) CH3CH₂OH; ii) CH3CH₂F; iii) CH3CH3 a) i>ii >iii b)i>iii>ii c)ii> i>iii d) ii > iii >i e) iii > ii >i [(CH₂)₂COL with those
\(CH_3CH_2OH\) is a polar compound and has hydrogen bonding. It has a higher boiling point. It will have the lowest vapor pressure among the three compounds.
Vapor pressure is the pressure produced by the vapors of a liquid in a sealed container when the liquid is heated. It is a property of a liquid that describes the tendency of a liquid to evaporate. It is measured in units of pressure, typically in mmHg or torr. The higher the vapor pressure, the more volatile a compound is. So, the decreasing order of vapor pressure for the given compounds is: \(CH_3CH_3 > CH_3CH_2F > CH_3CH_2OH\)
Here, \(CH_3CH_3\) is a non-polar compound while \(CH_3CH_2F\) and \(CH_3CH_2OH\) are polar compounds. The polar compound has hydrogen bonding, which increases the intermolecular forces between molecules. As a result, the polar compound will have a lower vapor pressure than the non-polar compound.
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Determine the mass in grams of each of the following:
a. 3.00 mol Al
b. 2.56 × 10^24 atoms Li
c. 1.38 mol N
d. 4.86 × 10^24 atoms Au
e. 6.50 mol Cu
f. 2.57 × 10^8 mol S
g. 1.05 × 10^18 atoms Hg
Answer:
a. 3.00 mol Al = 3.00 x 27.0 g/mol = 81.0 g
b. 2.56 × 10^24 atoms Li = 2.56 × 10^24 x 6.939 g/mol = 17.75 g
c. 1.38 mol N = 1.38 x 28.0 g/mol = 38.64 g
d. 4.86 × 10^24 atoms Au = 4.86 × 10^24 x 197.0 g/mol = 961.3 g
e. 6.50 mol Cu = 6.50 x 63.5 g/mol = 410.75 g
f. 2.57 × 10^8 mol S = 2.57 × 10^8 x 32.1 g/mol = 82,567,600 g
g. 1.05 × 10^18 atoms Hg = 1.05 × 10^18 x 200.6 g/mol = 210,000 g
Time Evolution in a Three-State System [15 points] Carbon dioxide is a linear molecule (OCO) that can pick up an extra electron and become a negatively charged ion. Suppose that the electron would have energy EO if it were attached to either oxygen atom, or energy EC if it were attached to the carbon atom in the middle. Call these states ∣L⟩,∣C⟩ and ∣R⟩, for left oxygen, carbon, and right oxygen. The energy eigenstates need not, however, have either energy EO or EC because there is some probability that the electron may hop between an oxygen atom and the carbon atom. (Assume that the probability of jumping directly from oxygen to oxygen can be neglected.)
The specific values of EL, EC, and ER will determine the precise behavior of the system and the probabilities of the electron being in each state over time.
To study the time evolution in this three-state system, we can write down the Hamiltonian matrix for the system.
The Hamiltonian describes the energy of the system and the transitions between different states. In this case, we have three states ∣L⟩, ∣C⟩, and ∣R⟩.
The Hamiltonian matrix can be written as:
H = [[EL 0 EC],
[0 EC 0],
[EC 0 ER]]
Here, EL represents the energy of state ∣L⟩, EC represents the energy of state ∣C⟩, and ER represents the energy of state ∣R⟩.
Since the electron can hop between the carbon atom and the oxygen atoms, we have nonzero off-diagonal elements in the Hamiltonian.
To solve for the time evolution of the system, we can find the eigenvalues and eigenvectors of the Hamiltonian matrix.
The eigenvectors represent the energy eigenstates of the system, and the eigenvalues represent the corresponding energies.
Once we have the energy eigenstates, we can determine the probabilities of the electron being in each state at a given time by calculating the time evolution of the initial state.
The specific values of EL, EC, and ER will determine the precise behavior of the system and the probabilities of the electron being in each state over time.
It is worth noting that the problem statement doesn't provide explicit values for EL, EC, and ER, so further information is needed to obtain a more detailed analysis of the time evolution in this three-state system.
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d) The wall of the bulb in a thermometer is made thin, why?
A thermometer bulb is built of thin glass so that it can effectively conduct heat from an object that comes into contact with the mercury in the bulb.
What is mercury?With the chemical symbol Hg and the atomic number 80, mercury is a class of elements. It was once called hydrargyrum, which is a combination of the Greek terms Hydor and Argyros, and it is also known as quicksilver. Mercury is toxic in its entirety. While some mercury compounds are more hazardous than others, all of them are harmful. Mercury exposures can harm the immune system, kidneys, liver, nervous system, and more depending on the type and quantity. The lungs, kidneys, and nervous system can all suffer damage from inhaling mercury fumes.
Mercury is utilized in pressure measuring devices even though a wide variety of liquids may be used due to its high density and reduced space requirement. The fact that PTFE is a good conductor of electricity makes it a valuable addition to electrical switches.
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Why look for black precipitate (FeS) in the bottom instead of on the surface of an H2S test?
To obtain accurate results, it is crucial to check for black precipitate in the bottom of the container during an H2S test.
During an H2S test, it is essential to look for black precipitate (FeS) in the bottom rather than on the surface. This is because FeS is denser than water and tends to sink to the bottom due to gravity. The H2S test involves adding a solution containing lead acetate to the sample, and if H2S is present, it reacts with the lead acetate to form a black precipitate of FeS.
f the FeS forms on the surface, it may not be a true reflection of the H2S levels in the sample as it could be due to other factors such as air bubbles or agitation. Therefore, it is crucial to check the bottom of the test tube or container for the presence of black precipitate, which indicates the amount of H2S present in the sample.
Also, it is important to note that the color of the precipitate may vary depending on the concentration of H2S in the sample. Higher concentrations of H2S can result in a thicker and darker black precipitate. In summary, to obtain accurate results, it is crucial to check for black precipitate in the bottom of the container during an H2S test.
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which sentence is a scientific statement
The scientific statement is
D. There is life on some other planet in the universe aside from Earth.
What is scientific statement?A scientific statement is a statement that is based on empirical evidence, logical reasoning, and the scientific method. It is a claim or proposition that can be tested, observed, or measured, and is subject to scrutiny and verification.
Scientific statements are characterized by objectivity, reliance on evidence, and the potential for falsifiability or validation through experiments or further investigation. these statements aim to describe, explain, or predict phenomena in the natural world and are an essential part of scientific inquiry and the advancement of knowledge.
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complete question
Which sentence is a scientific statement?
A.
Food cooked in ceramic pots has a better aroma than food cooked in copper pots.
B.
A tall glass of water tastes better with a lemon wedge and ice cubes.
C.
Today, there are more viewers watching baseball than ice hockey on television.
D.
There is life on some other planet in the universe aside from Earth
Characteristics of a mixture?
Answer:
the substance mixture can be sperate by filtration, distillation, and freezing.
5. (a) The structure of fatty acid A is shown below: Fatty Acid A (ii) Is fatty acid A an omega-3, omega-6 or omega-9 fatty acid? (i) Write the shorthand notation for fatty acid A.
Fatty acid A is linoleic acid (9,12-octadecadienoic). Fatty acid A is an omega-6 fatty acid. And the shorthand notation for fatty acid A is 18:2 Δ9,12
Fatty acid A is linoleic acid (9,12-octadecadienoic). Now, let's determine the omega designation for linoleic acid:
Since the first double bond is located at position 9 from the carboxyl end, linoleic acid is classified as an omega-6 fatty acid. The omega-6 designation indicates that the first double bond is 6 carbons away from the methyl end of the fatty acid chain.
The shorthand notation for linoleic acid is as follows:
18:2 Δ9,12
Let's break down the notation:
"18" represents the number of carbon atoms in the fatty acid chain.
"2" indicates the number of double bonds present in the fatty acid.
"Δ9,12" specifies the position of the double bonds in relation to the carboxyl end of the fatty acid chain. In this case, the double bonds are located at positions 9 and 12.
Therefore, the answers to your questions are as follows:
(i) Shorthand notation for fatty acid A (linoleic acid): 18:2 Δ9,12
(ii) Fatty acid A (linoleic acid) is an omega-6 fatty acid.
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Two oxides of sulphur A and B analysed and the result obtained shows that in oxide A 3.50g of sulphur combined with 6.05g of oxygen and in oxide B 2.80g of sulphur combined with 2.80g of oxygen show that this results illustrate the law of multiple proportion. Write their formulae
The results illustrate the law of multiple proportions since the oxygen atoms in A and B are in simple multiple ratios.
The formula of the oxides is SO₃ and SO₂ respectively.
What are the masses of sulfur and oxygen in A and B?Mass of sulfur in A = 3.50 g
Moles of sulfur in A = 3.50/32
Moles of sulfur in A = 0.11 moles
Mass of oxygen in A = 6.05 g
Moles of oxygen in A = 6.05/16
Moles of oxygen in A = 0.38
The mole ratio of sulfur to oxygen = 0.11 : 0.38
The mole ratio of sulfur to oxygen = 1 : 3
The formula of oxide = SO₃
Mass of sulfur in B = 2.80 g
Moles of sulfur in B = 2.80/32
Moles of sulfur in B = 0.088 moles
Mass of oxygen in B = 2.80 g
Moles of oxygen in B = 2.80/16
Moles of oxygen in B = 0.175
The mole ratio of sulfur to oxygen = 0.088 : 0.175
The mole ratio of sulfur to oxygen = 1 : 2
The formula of oxide = SO₂
The oxygen atoms in A and B are in simple multiple ratio.
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Which high-energy bond is associated with the succinyl-CoA synthetase reaction?
A) acyl phosphate
B) thioester
C) phosphohistidine
D) mixed anhydride
E) All of the answers are correct
The high-energy bond associated with the succinyl-CoA synthetase reaction is A. acyl phosphate bond
Succinyl-CoA synthetase is an enzyme that catalyzes the conversion of succinyl-CoA to succinate, with the simultaneous synthesis of ATP or GTP from ADP or GDP, respectively. This reaction is an important step in the citric acid cycle, which is also known as the Krebs cycle or the tricarboxylic acid cycle.
The acyl phosphate bond in succinyl-CoA is a high-energy bond due to the resonance stabilization of the phosphate group, making it a favorable source of energy. When succinyl-CoA synthetase cleaves this bond, the energy released is used to phosphorylate the nucleoside diphosphate (ADP or GDP), forming a high-energy nucleoside triphosphate (ATP or GTP). Although options B, C, and D represent other types of high-energy bonds, they are not directly associated with the succinyl-CoA synthetase reaction. Therefore, the correct answer is A) acyl phosphate. So therefore the correct answer is A. Acyl phosphate bond, the high-energy bond associated with the succinyl-CoA synthetase reaction.
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he famous miller–urey experiment was conducted in 1953. this experiment tested the hypothesis that primitive earth conditions were favorable for creating complex organic compounds from simple compounds. classify the compounds according to whether they were inputs or outputs in this experiment.
The famous miller–urey experiment was conducted in 1953. this experiment tested the hypothesis that primitive earth conditions were favorable for creating complex organic compounds from simple compounds. classify the compounds according to whether they were inputs or outputs in this experiment.
Scientists were able to demonstrate that Miller's initial tests produced well over 20 different amino acids after Miller's death in 2007 by looking at sealed vials that had been maintained from the original trials. That is significantly more than the 20 naturally occurring mutations in the genetic code as well as what Miller originally claimed.
What is the Miller-Urey experiment?
The Miller-Urey experiment, often known as the Miller experiment, was a chemical experiment that explored the chemical origin of life under conditions that were supposed to have existed on the early, primordial Earth in 1952. Alexander Oparin and J.'s theory was confirmed by the experiment at the time. According to B. S. Haldane's theory, the environment on the early Earth was favourable for chemical reactions that produced more complex organic chemicals from simpler inorganic ones. It was carried out by Stanley Miller in 1952 under the direction of Harold Urey at the University of Chicago, and the results were published the following year. This experiment is regarded as the standard investigation of abiogenesis.
Scientists were able to demonstrate that Miller's initial tests produced well over 20 different amino acids after Miller's death in 2007 by looking at sealed vials that had been maintained from the original trials. That is significantly more than the 20 naturally occurring mutations in the genetic code as well as what Miller originally claimed. Although more recent research indicates that the gas used in the Miller experiment may not have been representative of the Earth's original atmosphere, prebiotic experiments continue to yield racemic combinations of simple to complex chemicals, including cyanide, under various settings.
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how do I out pizza the hut?
Answer:
you get one of their pizzas and then put more toppings on cheese on the pizza
Explanation:
What is true at the equivalence point of a
titration?
moles H* neutralized = moles OH neutralized
moles H* neutralized > moles OH neutralized
moles OH neutralized > moles H* neutralized
Moles \(H^+\)neutralized = moles \(OH^-\)neutralized at the equivalence point of a titration. Hence, option A is correct.
What is titration?A method or process of determining the concentration of a dissolved substance in terms of the smallest amount of reagent of known concentration required to bring about a given effect in reaction with a known volume of the test solution.
Equivalence point: point in titration at which the amount of titrant added is just enough to completely neutralize the analyte solution.
At the equivalence point in an acid-base titration, moles of base = moles of acid and the solution only contains salt and water.
Hence, option A is correct.
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to which grop and period do the following elements belong carbon,neon,aluminium,potassium ,calcium,sulphur
Answer:
C:4A second period Ne:8A second period Al:3A third period K:1A fourth period Ca:2A fourth S:6A third period
Explanation:
There are various kind of elements that are present in periodic table. Some elements are harmful, some are radioactive, some are noble gases. Therefore, with the help of periodic table we can locate the element's position.
What is periodic table?Periodic table is a table in which we find elements with properties like metals, non metals, metalloids and radioactive element arranges in increasing atomic number.
Periodic table help a scientist to know what are the different types of elements are present in periodic table so that they can discover the new elements that are not being discovered yet.
carbon belongs to period 2 and group 14
neon belongs to period 2 and group 18
aluminium belongs to period 3 and group 13
potassium belongs to period 4 and group 1
calcium belongs to period 4 and group 2
sulfur belongs to period 3 and group 16
Therefore, with the help of periodic table we can locate the element's position.
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Which two layers are approximately the same age?
Answer:
The bottommost layer in core sample 1 and the topmost layer in core sample 2.
Explanation:
Correct me if im wrong :)
When the heavy isotopes of hydrogen undergo fusion at extremely high temperatures, _______.
When the heavy isotopes of hydrogen undergo fusion at extremely high temperatures, they release a tremendous amount of energy.This process is known as nuclear fusion.
Nuclear fusion occurs when two light atomic nuclei combine to form a heavier nucleus. In the case of heavy hydrogen isotopes, deuterium (D) and tritium (T), the fusion reaction can be represented as follows:
D + T -> He + n + Energy
In this reaction, deuterium and tritium nuclei fuse together to form a helium nucleus (He) along with the release of a neutron (n) and a tremendous amount of energy.
The high temperatures required for nuclear fusion are necessary to overcome the strong electrostatic repulsion between positively charged atomic nuclei. By providing enough thermal energy, the kinetic motion of the nuclei allows them to approach closely enough for the strong nuclear force to take effect and bind them together.
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what element has three valence electrons in the second energy level.
Answer:
Boron
Explanation:
Hope that helps
Answer:
Boron.
Explanation:
2 energy shells
1st energy she'll 2 electrons
2nd energy shell 3 electrons
A hot metal plate at 150°C has been placed in air at room temperature. Which event would most likely take place over the next few minutes?
A. Molecules in both the metal and the surrounding air will start moving at lower speeds.
b. Molecules in both the metal and the surrounding air will start moving at higher speeds.
c. The air molecules that are surrounding the metal will slow down, and the molecules in the metal will speed up.
d. The air molecules that are surrounding the metal will speed up, and the molecules in the metal will slow down.
Answer:
A
Explanation:
The molecules in both metal and surrounding air will start moving slower because of the sudden decrease in environment tmeperature. The thermal energy around the metal plate decreases, also decreasing the kinetic energy.
The main function of a(n)______ is to help an interaction between two chemicals to occur, changing both chemicals.
The main function of a vitamin is to help interaction between two chemicals to occur, changing both chemicals.
In toxicology, synergism refers to the effect caused when exposure to two or more chemicals at one time results in health effects that are greater than the sum of the effects of the individual chemicals.
What are vitamins?
nutrients may be described as a special elegance of micronutrients that must be received from the food regimen for you to maintain frame homeostasis, which can be liposoluble or hydro soluble.nutrients are natural molecules which can be required for the proper functioning of the frame and the development of organisms.There are thirteen vitamins in people, of which 9 are water soluble and four (A, D, E, okay) are fats soluble.Therefore, the main function of a vitamin is to help interaction between two chemicals to occur, changing both chemicals.
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Dissociation and THEN hydration afterwards is the process of: * 1 point water pulling a compound apart and then surrounding the broken pieces/ions (this is what dissolving is) breaking down the food into simpler nutrients that can be used by the cells a mental process where a person disconnects from their thoughts, feelings, memories or sense of identity
Answer:
water pulling a compound apart and then surrounding the broken pieces/ions (this is what dissolving is)
Explanation:
As we know, water is a polar solvent. What this means is that water can effectively interact with ions in an ionic substance owing to its large dipole moment.
Now, when an ionic substance is dissolved in water, the positive end in water pulls hard on the negative ion of the ionic substance while the negative end in water pulls hard on the positive ion of the ionic substance.
The ionic substance is eventually pulled apart and surrounded by water molecules. This is how an ionic substance is dissolved in water.
what is the complete range of tcp and udp well-known ports?
The well-known ports range from 0 to 1023. These ports are reserved for specific services and protocols, and they are commonly used by system processes or by programs executed by privileged users.
Here is a breakdown of some commonly known ports within the well-known port range:
20: FTP Data
21: FTP Control
22: SSH (Secure Shell)
23: Telnet
25: SMTP (Simple Mail Transfer Protocol)
53: DNS (Domain Name System)
80: HTTP (Hypertext Transfer Protocol)
110: POP3 (Post Office Protocol version 3)
143: IMAP (Internet Message Access Protocol)
443: HTTPS (HTTP Secure)
465: SMTP over SSL/TLS
587: SMTP Submission
993: IMAPS (IMAP over SSL/TLS)
995: POP3S (POP3 over SSL/TLS)
These are just a few examples, and there are many other services and protocols assigned to specific well-known ports within the range of 0 to 1023.
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Which part of an atom has most of its mass?
А. electrons
B.neutrons
c.nucleus
D.protons
Answer:
B
Explanation:
What is one common reaction to all hydrocarbons?
Answer:
Common properties of hydrocarbons are the facts that they produce steam, carbon dioxide and heat during combustion and that oxygen is required for combustion to take place. The simplest hydrocarbon, methane, burns as follows: CH4 + 2 O2 → 2 H2O + CO2 + energy.
Explanation:
16) What is the aluminum ion concentration in a solution that is 0.646 M in aluminum sulfate
Aluminum ion has a charge of 3+, Al³⁺, and sulfate is SO₄²⁻, so the compound aluminum sulfate has to have a number of aluminum and sulfate such that the final charge is zero, so the proportion on aluminum sulfate is:
\(Al_2(SO_4)_3\)That way we have 6+ and 6-, so neutral compound.
This means that for 1 mol of aluminum sulfate, we have 2 moles of aluminum ion. The molar concentration is the number of moles of solute divided by the volume of solution, so it is directly proportional to the number of moles.
So, we can use a rule of three as follows:
aluminum ion --- aluminum sulfate
2 --- 1
x --- 0.646 M
So:
\(\begin{gathered} \frac{2}{x}=\frac{1}{0.646M} \\ 2\cdot0.646M=x\cdot1 \\ 1.292M=x \\ x=1.292M \end{gathered}\)So, the concentration of aluminum ion in this solution is 1.292 M.
How many carbons atoms and hydrogen atoms in c3h5
(A) 2 carbon atoms and 5 hydrogen atoms
(B) 3 carbon atoms and no hydrogen atom
(C) 4 carbon atoms and no hydrogen atom
(D) 5 carbon atoms and 2 oxygen atoms
Answer:
A
Explanation:
It should be A since hydrogen atoms are present, but oxygen is not.
predict the o-b-o bond angle and then suggest a reason why the actual bond angle might deviate from the predicted value in this case
The o-b-o bond angle is 180°. The actual bond angle might deviate from the predicted value because of the effects of lone pair repulsion.
The o-b-o bond angle refers to the bond angle between the oxygen atoms and boron in boron trioxide. The boron trioxide molecule has a trigonal planar molecular shape. It includes three oxygen atoms, each of which is connected to the central boron atom via a double bond.
The boron atom is in the center of the molecule. The o-b-o bond angle is 180°.The actual bond angle might deviate from the predicted value due to the presence of lone pair electrons. The central boron atom has an incomplete octet. As a result, it accepts one of the double bonds' electron pairs from one of the surrounding oxygen atoms. Furthermore, the other two oxygen atoms have a lone pair of electrons. The electron pair repulsion caused by these lone pairs pushes the boron-oxygen double bond pair closer together, reducing the bond angle. As a result, the actual bond angle in boron trioxide might be smaller than the predicted bond angle of 180°.
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What type of van der Waals interactions occur between molecules
of O2, SCl2, and CH4 in liquids of these substances?
Given what we know, we can confirm that the type of van der Waals interactions that occur between molecules of O2, SCl2, and CH4 in liquids of these substances are the presence of London dispersion forces.
What are London dispersion forces?They are a force of attraction between atoms. They are generated by electrostatic attraction. These forces are common between atoms in close proximity and occur often when compounds have a symmetrical distribution of atoms. They are generated by the formation of temporary dipoles.Therefore, given the symmetry of the atoms disposition in these compounds and the temporary dipoles generated by the atoms being in close proximity, we can confirm that the van der Waals forces present in each compound are London dispersion forces.
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what is the volume of hydrogen gas at stp released from 2.70 g of aluminum metal and hydrochloric acid? al( s) hcl( aq) → alcl 3( aq) h 2( g)
The volume of hydrogen gas released can be determined by using the stoichiometry of the reaction and the ideal gas law. The volume of hydrogen gas released from 2.70 g of aluminum metal and hydrochloric acid at STP is approximately 3.61 liters.
First, let's determine the moles of aluminum (Al) using its molar mass of 26.98 g/mol. We can use the given mass of aluminum (2.70 g) and the equation:
Al(s) + HCl(aq) → AlCl3(aq) + H2(g)
2.70 g Al * (1 mol Al / 26.98 g Al) = 0.100 mol Al
Since the balanced equation shows that 2 moles of Al produce 3 moles of H2, we can use this ratio to find the moles of H2 produced:
0.100 mol Al * (3 mol H2 / 2 mol Al) = 0.150 mol H2
Now, we can use the ideal gas law, which states that PV = nRT, to calculate the volume of the hydrogen gas at STP (Standard Temperature and Pressure). STP conditions are 273 K (0°C) and 1 atm.
We know the moles of H2 (0.150 mol) and the temperature (273 K), and we can assume the pressure is 1 atm. The gas constant R is 0.0821 L·atm/mol·K.
V = (n * R * T) / P
V = (0.150 mol * 0.0821 L·atm/mol·K * 273 K) / 1 atm
V ≈ 3.61 L
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DANGERS OF ACIDS AND ALKALIS
Chemical substances with opposing characteristics include acids and alkalis. Alkalis have a pH above 7, while acids have a pH below 7.
What threats do acids pose?Acids are dangerous when there is moisture in the mouth, eyes, or surrounding aqueous solutions because they react violently with water. Certain acids' vapours can harm the eyes, nasal passages, throat, and lungs since they are soluble in water.
What poses the biggest threat to acids and bases?Working with acids and bases poses health risks mostly because of their corrosivity, which causes tissue to be destroyed. The pernicious characteristic of hydrofluoric acid, or HF, which causes severe loss of skin without providing any burning sensation.
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Question:
What are the potential dangers associated with acids and alkalis?