The compound with the bigger lattice energy is the one with stronger ionic bonds.
Lattice energy is the energy required to separate one mole of a solid ionic compound into its gaseous ions. It is a measure of the strength of the ionic bonds in the compound. The higher the lattice energy, the stronger the ionic bonds.
To determine which compound has the bigger lattice energy, we need to compare the strength of the ionic bonds in each compound. The strength of the ionic bond depends on the size and charge of the ions. Smaller ions with higher charges have stronger ionic bonds.
In the given compounds, CsF has the biggest ionic bond strength because Cs⁺ is a larger ion compared to F- and has a lower charge density. Similarly, LiCl has a bigger lattice energy than CsCl because Li⁺ is a smaller ion with a higher charge density than Cs⁺.
In each row, the compound with the bigger lattice energy is the one with stronger ionic bonds, which is determined by the size and charge of the ions.
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Which of these is NOT an example of how your community uses natural
resources?
8. I have a mixture of iron, salt, and
water. I heat it up to a boil.
Explain what happens to each part
of my mixture.
After boiling the mixture of iron salt, water
iron, and salt it will remain and water will be evaporated
Question 52 points)
The electromagnetic waves with the highest frequency are ______ waves
Answer: Gamma Rays
Explanation:
The waves with the highest frequency are Gamma Rays. These electromagnetic waves travel at a very high speed. Best of Luck to you!
CHEMISTRY PUNKS PLEASE HELP ME OUT!!!!!!!!!!!!!!!!! PLS. ILL LOVE U FOREVER N EVER! any point stealers will be reported <3
Answer: 25.0 L
Explanation:
For this problem, we will need to use Boyle's Law.
Boyle's Law: P₁V₁=P₂V₂
Since we are looking for V₂, we can rewrite the equation.
V₂=P₁V₁/P₂
The pressure should be in atm, so let's convert kPa to atm.
P₁=100 kPa=0.99 atm
P₂=200 kPa=1.97 atm
Now that we know the pressure in atm, we can plug it into the equation and solve.
\(V_{2} =\frac{(0.99 atm)(50.0L)}{1.97atm}\)
\(V_{2} =25.0 L\)
Molecular formula of a certain ionic compound is XY2 and X is a metal. State group to which elements X and Y belong to in the periodic table. plzzz help
Answer: m Most likely Group2 metals and Group 17 non-ktta
Explanation:
A little more information is needed to be certain, but the likely answer is that X belongs to Group 2 and Y belongs to Group 17. Group 2 metals (Be, Mg, Ca, Sr, Ba, etc.) are all divalent. They gave rive up 2 electrons each to return to a full shell. Group 17 elements (e,g, F, Cl, Br, I, etc.) all require 1 electron to reach a full valence shell. That would make the proportion 1X to 2Y, or XY2. It is possible that a metal outside of Group 2 would also have a valency of 2. Iron(II) forms FeCl2, for example.
a colorless, odorless gas that is composed of carbon and oxygen. it is absorbed from the air by plants and produced when people and animals breathe out.
Carbon dioxide is a gas composed of carbon and oxygen. This gas is breathed out by people and animals and is absorbed by plants.
In each of the carbon dioxide molecules, one carbon atom is covalently doubly connected to two oxygen atoms. At room temperature, it exists as a gas. Its chemical formula is written as CO₂.
At atmospheric temperatures and pressures, this gas is colorless, odorless, non-toxic, and inflammable. This is produced as the byproduct of metabolic reactions in animals and people and is breathed out during respiration. But plants use this carbon dioxide to produce glucose and oxygen using photosynthesis.
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how does the treatment of the cycloaddition product with an aqueous basic solution of KMnO4 at room temperature might identify which of the three possible constitutional isomers was or was not made?
The treatment of the cycloaddition product with an aqueous basic solution of KMnO4 at room temperature can help identify which of the three possible constitutional isomers was or was not made through: the process of oxidative cleavage.
Step-by-step explanation:
1. Perform the cycloaddition reaction and obtain the product.
2. Treat the cycloaddition product with an aqueous basic solution of potassium permanganate (KMnO4) at room temperature.
3. The KMnO4 solution acts as an oxidizing agent and selectively oxidizes the carbon-carbon double bonds present in the product.
4. Depending on the specific isomer formed, the oxidative cleavage will produce different products, which can be identified using various analytical techniques such as mass spectrometry or nuclear magnetic resonance (NMR) spectroscopy.
5. Compare the products formed with the expected products for each of the three possible constitutional isomers.
6. Identify the isomer that corresponds to the products formed during the oxidative cleavage reaction with KMnO4.
By following these steps, you can determine which of the three possible constitutional isomers was or was not made during the cycloaddition reaction.
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How much heat, in kilojoules, is needed to raise the temperature of 236 g of silver from 8.5oC to 34.9 °C? (cAg = 0.24 J/g°C)
Answer:
1.49kJ
Explanation:
Using the formula as follows;
Q = m × c × ∆T
Where;
Q = amount of heat (joules)
m = mass (g)
c = specific heat of silver (J/g°C)
∆T = change in temperature (°C)
According to the information given in this question;
mass of Silver (Ag) = 236g
c of Ag = 0.24 J/g°C
initial temperature (T1) = 8.5°C
final temperature (T2) = 34.9°C
∆T = T2 - T1 = 34.9 - 8.5 = 26.4°C
Using Q = m × c × ∆T
Q = 236 × 0.24 × 26.4
Q = 1,495.3 Joules
Amount of heat needed to raise the temperature of Silver (Q) in kilojoules is 1495.3/1000 = 1.4953
Q = 1.49kJ
4p + 5O2 -> P4O10 ; the percent yield of PO4O10 when 6.20 g of phosphorus burns into excess oxygen is 67.0%. What is the yield of P4O10?
Answer: 36.9 g
Explanation:
P4 + 5O2 = P4O10 Balanced equation
moles P4 present = 23.9 g x 1 mole/123.88 g = 0.193 moles
moles O2 present = 20.8 g x 1 mol/32 g = 0.65 moles O2
From balanced equation, mole ratio O2 : P4 is 5:1. Is 0.65 moles O2 5x 0.193 moles? NO. You don't have enough O2.
O2 is limiting in this reaction.
theoretical moles of P4O10 = 0.65 moles O2 x 1 mole P4O10/5 moles O2 = 0.13 moles P4O10
mass of P4O10 produced = 0.13 moles x 283.9 g = 36.9 g
According to the give percent yield, the observed yield of P₄O₁₀ is 9.514 g .
What is percent yield?Percent yield is defined as the ratio of actual yield to the theoretical yield multiplied by 100. If the actual and theoretical yield are same then the percent yield is 100%.If actual yield is less than the theoretical yield then the percent yield is less than 100%.Reason of this condition arising is the incompletion of reaction or loss of sample during recovery process.
In cases where percent yield is over 100% it indicates that more sample is recovered than the predicted amount.This condition arises when there are other simultaneous reactions taking place leading to the formation of product. It can also arise if there is incomplete removal of impurities from the sample .
In the given example, observed yield is calculated by first calculating theoretical yield,which in this case is as follows, 123.88 g phosphorous gives 283.88 g of P₄O₁₀
Hence, 6.20 g of phosphorous will produce 6.20×283.88/123.88=14.20 g.
Now, the observed yield is calculated as, percent yield×theoretical yield/100=67×14.20/100=9.514 g.
Thus, the observed yield of P₄O₁₀ is 9.514 g.
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how many moles of oxygen molecules would be produced from the decomposition of 2.5moles of potassium trioxochlorate(V)
Answer:
2.5 moles of oxygen = x
1 Faraday =9600
cross multiply and then divide by the coefficient of the unknown
Explanation:
sorry am not with my calculator
Answer: 3.75
Explanation:
What is the pressure in millimeters of mercury inside a container of gas.
Can someone help?
Energy in Chemical Reactions Chemical reactions involve breaking and forming chemical bonds, which results in the absorption or release of energy. Fireworks are the result of a reaction that produces heat, light, and sound.
Does the reaction that drives a fireworks display absorb energy or release energy? Explain.
Given that water is the solvent for this type of experiment, what is the best site for tritium labeling?.
The best site for tritium labeling would not exchange the tritium ions for protons in water. All of the N−H sites (II−IV) would readily exchange tritium protons due to their lone pair-facilitating protonation and subsequent tritium exchange with water, but the C−H site (I), lacking a lone pair, would retain its tritium label.
Water is an inorganic, clear, tasteless, odorless, nearly colorless chemical substance that is the main component of the earth's hydrosphere and the fluid of all known living organisms. Although it provides no food, energy, or organic micronutrients, it is essential to all known forms of life.
There are three atoms in the water molecule. Two hydrogen atoms (H) and one oxygen atom (O). This is why water is sometimes called H2O. One drop of water contains billions of water molecules. Water is wet in the sense that it is a highly mobile liquid. This is because the molecules are fairly loosely bound and thus have low viscosity.
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Here is a partially completed equilibrium calculation table for the synthesis of ammonia.
N2(g) + 3H2(g) = 2NH3(g)
Initial pressure (atm) 1 2 0
Pressure change (atm)
Final pressure (atm) 2x
When this table is completed correctly, what is y, the expression for the final pressure of hydrogen at equilibrium? OA 2-3 OB 2-(3/2) Осо OD 2-2x
The expression for the final pressure of hydrogen at equilibrium, y, is given by y = 2 - 3x.
According to the balanced chemical equation for the synthesis of ammonia, the stoichiometric coefficient of hydrogen (H₂) is 3. This means that for every 1 mole of nitrogen (N₂), we need 3 moles of hydrogen (H₂) to form 2 moles of ammonia (NH₃).
In the equilibrium calculation table, the initial pressure of hydrogen is 2 atm. Since the stoichiometric coefficient of hydrogen is 3, the change in pressure of hydrogen during the reaction is 3x, where x represents the change in pressure of ammonia (NH₃).
The final pressure of hydrogen at equilibrium is obtained by subtracting the pressure change (3x) from the initial pressure of hydrogen (2 atm). Therefore, the final pressure of hydrogen is y = 2 - 3x.
Hence, the correct expression for the final pressure of hydrogen at equilibrium is y = 2 - 3x.
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How many of the following are buffered solutions? Explain.
A weak acid as well as its corresponding base make up a buffered solution. The ions are represented by violet, grey, and green spheres, respectively. The first system represents the buffer.
What is buffer?A buffer is indeed a solution that resists pH fluctuations and contains either one weak acid as well as its salt or even a weak base as well as its salt. To put it another way, a buffer is indeed an aqueous solution that includes a weak base as well as its conjugate acid, or a weak acid as well as its conjugate base.
A buffer may also be referred to as a buffer solution, hydrogen ion buffer, and pH buffer. A weak acid as well as its corresponding base make up a buffered solution. The ions are represented by violet, grey, and green spheres, respectively. The first system represents the buffer.
Therefore, the first system represents the buffer.
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A reaction between 1. 7 moles of zinc iodide and excess sodium
The percent yield of zinc carbonate is 5.91%. This suggests that the reaction did not go to completion, and there was likely some loss of product during the experiment.
To find the percent yield of zinc carbonate, we need to compare the actual yield (what was obtained in the experiment) to the theoretical yield (what would be obtained if the reaction went to completion).
First, let's calculate the theoretical yield of zinc carbonate:
From the balanced equation, we can see that 1 mole of ZnI2 reacts with 1 mole of \(Na_{2}CO_{3}\) to produce 1 mole of \(ZnCO_{3}\).Since we have 1.7 moles of ZnI2, we would need 1.7 moles of \(Na_{2}CO_{3}\) to react completely.The molar mass of \(ZnCO_{3}\) is 125.39 g/mol, so the theoretical yield of \(ZnCO_{3}\) would be:theoretical yield = 1.7 mol ZnCO3 x 125.39 g/mol = 213.07 gNow, let's calculate the percent yield:
The actual yield \(ZnCO_{3}\) is given as 12.6 g.
The percent yield is calculated as:
percent yield = (actual yield / theoretical yield) x 100%percent yield = (12.6 g / 213.07 g) x 100% = 5.91%Learn more about zinc carbonate
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Full Question: A reaction between 1.7 moles of zinc iodide and excess sodium carbonate yields 12.6 grams of zinc carbonate. This is the equation for the reaction: Na2CO3 + ZnI2 → 2NaI + ZnCO3. What is the percent yield of zinc carbonate? The percent yield of zinc carbonate is %
Apply the Pauli exclusion principle to determine the number of electrons that could occupy the quantum states described by the following. (a) n=4,l=1,m,=−1 electrons (b) n=4,l=3 electrons (c) in =4 electrons
(a) There can be a maximum of two electrons occupying
(b) There are a total of 7 orbitals in the n = 4, l = 3 subshell.
(c) Each shell can contain a maximum of 2n2 electrons.
(a) The quantum numbers of the electron are n = 4, l = 1, m = -1.
Applying the Pauli exclusion principle, only two electrons can occupy each orbital and their spins must be opposite.
Therefore, there can be a maximum of two electrons occupying the quantum state described by (a).
(b) The quantum numbers of the electron are n = 4, l = 3.
According to the Pauli exclusion principle, each orbital can contain a maximum of two electrons with opposite spins.
Therefore, the number of electrons that could occupy the quantum states described by (b) is 14, since there are a total of 7 orbitals in the n = 4, l = 3 subshell.
(c) The quantum numbers of the electron are n = 4. As per the Pauli exclusion principle, each shell can contain a maximum of 2n2 electrons.
Hence, the number of electrons that could occupy the quantum states described by (c) is 2(4)2 = 32.
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You have two cubes. They are the same size. They are both painted
white. One is iron, the other copper. What is the best way to determine
which is which?
You can determine which is which by weighting them
Copper usually weighs heavier than iron, so if you weigh them both on the scale, the heavier one would be the copper cube
Hope this helped!
When Magnesium and Oxygen react 204 g of MgO is actually produced. The calculated theoretical yield is 216 g. What is the percent yield for this reaction?
6 %
11.2 %
94 %
100%
Answer:
94%
Explanation:
204/216=.94444
.94444*100=94.44%
The pH scale was designed to make it convenient to express hydrogen ion concentrations that are small in aqueous solutions. The definiton of pH is in terms of base 10 logarithms.
Answer:
a. pH = 2.22.
b. [H+] = 2.588 x 10⁻⁴ mol/L.
Explanation:
Acids and Bases => Calculating pH of Acids and Bases.
As we saw before, the formulas to find the pH based on the hydrogen ion concentration [H+], and to find the hydrogen ion concentration [H+] based on the pH are the following, respectively:
\(\begin{gathered} pH=-log\lbrack H^+], \\ \\ [H^+]=10^{-pH}. \end{gathered}\)So let's see each case:
a. To find the pH of an H+ concentration of 6.02 x 10⁻³ mol/L we use the pH formula:
\(\begin{gathered} pH=-log\lbrack6.02\cdot10^{-3}], \\ \\ pH=2.220\approx2.22. \end{gathered}\)The answer would be that the pH is 2.22.
b. To find the H+ concentration of a pH of 3.587, we use the [H+] formula:
\(\begin{gathered} \lbrack H{}^+]=10^{-3.587}, \\ \\ [H^+]=2.5882\cdot10^{-4}\text{ mol/L}\approx2.588\cdot10^{-4}\text{ mol/L.} \end{gathered}\)The answer would be that the hydrogen ion concentration [H+] = 2.588 x 10⁻⁴ mol/L.
Which one is a single replacement reaction? (Whoever gets it correct first I’ll mark)
The equation that represents a single replacement reaction given the various options is 2Al(s) + 6HCl -> 2AlCl₃(aq) + 3H₂O(g) (option 2)
What is a single replacement reaction?A single replacement reaction, also known as single displacement reaction is a reaction in which elements higher in the electro-chemical series displace or replace elements lower in the electro-chemical series displace from a solution.
The following example illustrates single replacement reaction:
A + BC -> AC + B
From the above reaction, we can see that A has replace/displace B to from AC.
With the above information, we can determine the equation that represents single replacement reaction. Details below:
Equation from the questions:
2Al + 3Cl₂ -> 2AlCl₃2Al(s) + 6HCl -> 2AlCl₃(aq) + 3H₂O(g)2AlCl₃(aq) -> 2Al + 3Cl₂ AlCl₃ + 3KOH -> Al(OH)₃ + 3KClFrom the above, we can see that only 2Al(s) + 6HCl -> 2AlCl₃(aq) + 3H₂O(g) conform to single replacement reaction.
Thus, the correct answer to the question is: 2Al(s) + 6HCl -> 2AlCl₃(aq) + 3H₂O(g) (option 2)
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Crossing a Dd parent with another Dd parent results in
Which functional group is NOT present in the molecule below? A) Benzene ring B) Amino group C) Carbonyl group
The given molecule possesses a benzene ring and an amino group, but it does not contain a carbonyl group. Therefore, the correct answer is C) Carbonyl group.
A carbonyl group is characterized by a carbon atom double-bonded to an oxygen atom and is commonly found in functional groups such as aldehydes, ketones, and carboxylic acids.
However, in this case, the molecule does not exhibit the presence of a carbonyl group.
Therefore, the correct answer is C) Carbonyl group. It is important to accurately identify the functional groups present in a molecule as they play a significant role in its chemical properties and reactivity.
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From a laboratory process designed to separate water into hydrogen and oxygen gas, a student
collected 10.0 g of hydrogen and 79.4 g of oxygen. How much water was originally involved in the
process?
Answer: 89.4
Explanation:
The amount of water which was originally involved in the process was 89.4 gram.It can be seperated in to Hydrogen and Oxygen through electrochemical process.
What is Electrochemistry ?Electrochemistry is the branch of physical chemistry concerned with the relationship between electrical potential difference, as a measurable and quantitative phenomenon, and identifiable chemical change, with the potential difference as an outcome of a particular chemical change, or vice versa.
Given,
Amount of Hydrogen : 10.0 g Amount of Oxygen : 79.4 gAmount of Water used : ?Therefore,
Mass of Reactant = Mass of product
= Mass of Hydrogen + Mass of Oxygen
= 79.4 gram + 10 gram
Mass of Reactant (Water) = 89.4 gram
Therefore, The amount of water which was originally involved in the process was 89.4 gram.It can be seperated in to Hydrogen and Oxygen through electrochemical process.
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Please help!
What are the exchange pools for Carbon?
Answer:
Carbon pool
Earth's carbon pools.
The ocean (~37,000 GtC).
Terrestrial ecosystems (~3,000 GtC).
Earth's crust (sedimentary rocks ~75,000,000 GtC).
The atmosphere (~830 GtC).
a microscope is a labolatory tool that is used to__________ this allowed scientists to ____________ we cannot see using our naked eyes such as _____ protists ______and___________ the main parts of a microscope that magnifies are the __________ and the ___________. the__________ serves as the light source. in order to see he specimen clearly the stage needs to be adjusted at the right distance from the lens. this is done using the __________ and _______. other parts of the microscope such as the______. ______ and _________ serves as a primary support for device
Answer:
See the answer below
Explanation:
A microscope is a laboratory tool that is used to magnify the image of objects This allowed scientists to study tiny organisms that cannot be seen with an ordinary eye. We cannot see some organisms using our naked eyes, such as bacteria, protists, viruses, and microscopic fungi. The main parts of a microscope that magnifies are the ocular and the objective lenses. the lamp serves as the light source. In order to see the specimen clearly the stage needs to be adjusted at the right distance from the lens. this is done using the coarse and the fine adjustment knobs. other parts of the microscope such as the base and the arm serve as primary support for the device.
The microscope is primarily designed to magnify the image of objects and, thus, enables one to see objects that cannot ordinarily be seen with the naked eyes. It magnifies objects using a system of lenses in the ocular and the eyepiece. Microscopic organisms such as protists, bacteria, viruses, microscopic fungi and algae can be seen using the microscope. Slides of objects are prepared and placed on the stage of the microscope and the coarse/fine adjustment knobs used to adjust the stage in order to bring the image on the slide into focus through the ocular. A lamp at the base provides the light source for the light microscope while other parts such as the arm, the head, and the base provide supportive functions for the microscope,
The description, features and function of a microscope can be found explained below.
MICROSCOPE:
A microscope is a laboratory tool that is used to magnify images. This allows scientists to study tiny organisms that cannot be seen with the naked eye. We cannot see some organisms using our naked eyes, such as bacteria, protists, viruses, and microscopic fungi. The main parts of a microscope that magnifies are the eye and objective lenses. The lamp serves as the light source. To see the specimen clearly the stage needs to be adjusted at the right distance from the lens and this is done using the coarse and the fine adjustment knobs. Other parts of the microscope such as the base and the arm serve as primary support for the device.Learn more at: https://brainly.com/question/18661784?referrer=searchResults
which of the following states of matter fills the volume of its container? a gas b solid c liquid d all of the above
The state of matter that fills the volume of its container is a gas. The correct option is a.
Gases have no definite shape or volume and will completely fill any container in which they are placed. This is because the particles that make up a gas are in constant motion and are not bound together in a fixed structure, allowing them to move freely and fill the available space.
Solids and liquids, on the other hand, have a definite shape and do not completely fill the volume of their container. Solids have a fixed shape and volume, while liquids have a fixed volume but take the shape of their container.
Therefore, the correct answer is (a) gas, which is the only state of matter that fills the volume of its container.
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If the explanation were correct, draw what you would expect to see in the experiment with colored ice cubes
If the explanation for the experiment with colored ice cubes were correct, we would expect to see the colored ice cubes melt and mix together to create new colors. For example, if we had red, blue, and yellow ice cubes, we would expect to see the red and blue cubes melt and mix to create purple, and the blue and yellow cubes melt and mix to create green.
Ultimately, we would end up with a container of water with a range of new colors created by the melting and mixing of the colored ice cubes. Children and adults alike may enjoy and learn from experimenting with coloured ice cubes. The following procedures can be used to make and experiment with coloured ice cubes: Several drops of food colouring should be added to each well of the ice cube tray. To make a variety of coloured ice cubes, use several colours in each section. As the water freezes solid, place the ice cube tray in the freezer. Remove the frozen ice cubes from the tray and put them in a dish or other container. Observe the coloured ice cubes and take notice of how the colours differ from one another. To study how the coloured ice cubes respond in various settings, place them there.
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Read the article and use the information to complete this task: Fuel Cell Vehicles Construct an argument for or against the immediate introduction of fuel-cell cars. Include likely points of objection from those with opposing views (such as environmental and economic impacts) as well as counterarguments to those objections.
Answer:
It causes no pollution.
It is less durable and very expensive.
Explanation:
Fuel Cell Vehicles are the vehicles which moves by using hydrogen gas to power an electric motor as compared to conventional vehicles that moves by burning of fossil fuels. There is no bad effect on the environment because Fuel Cell Vehicles cause no pollution like conventional vehicles. Due to less durable and very expensive, Fuel Cell Vehicles can't take the place of conventional vehicles because its higher price which is not affordable for the people.
Answer:
fuel cost and availability
vehicle cost and availability
domestic fuel sources
pollution
onboard fuel storage
fuel cell performance
5. (10 Points) The volume of air in the lungs of a typical human is 6.0 L.
Traditional free divers, known for their ability to hold their breath during long
dives while gathering objects from the ocean bottom, could descend
underwater to a depth of 30 m where the pressure is four times that at the
surface. What would be the volume of air in their lungs at 30 m?
Answer: the picture is work for number 1,2,4,5,7
Explanation: number 3: as the pressure in the volume decreases, the volume increases causing it to expand and eventually blow.
number 6: because the temperature and the amount of gas don’t change, these terms don’t appear in the equation. What Boyle’s law means is that the volume of a mass of gas is inversely proportional to its pressure. This linear relationship between pressure and volume means doubling the volume of a given mass of gas decreases its pressure by half.
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