More gas particles participate in the reaction at T2 than at T1. Option D
How does temperature affect the energy distribution of gases?The graphs are not shown here but I can explain the relationship between how temperature affect the energy distribution of gases.
According to the Maxwell-Boltzmann distribution, a gas's molecule energies are distributed according to temperature, and the most likely energy increases as the temperature rises.
As the temperature of a gas increases, the peak of the energy distribution shifts to higher energies, and an increase in the proportion of molecules with higher energies follows. The possibility of high-energy gas molecule collisions, which can lead to chemical reactions or other kinds of energy transfer, is increased by this.
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Missing parts;
The graph shows the distribution of energy in the particles of two gas samples at different temperatures, T1 and T2. A, B, and C represent individual particles.
Based on the graph, which of the following statements is likely to be true? (3 points)
Particle A is more likely to participate in the reaction than particle B.
Particle C is more likely to participate in the reaction than particle B.
The number of particles able to undergo a chemical reaction is less than the number that is not able to.
More gas particles participate in the reaction at T2 than at T1.
what is the shortest wavelength of light that can be emitted by a hydrogen atom, if the electron is initially in the n
Shortest wavelength of light that can be emitted by a hydrogen atom is 95.0 nm
Emission is the transfer of electron from higher energy level to lower energy level.
Shortest wavelength is the transition with higher energy.
So,
The electron emits from \($n=5$\) to \($n=1$\) level.
The lowest state is:
\(n_1=1$\\\mathrm{n}_2=5$$\)
The Balmer-Rydberg equation is
\($$\begin{aligned}& \frac{1}{\lambda}=R_{\infty}\left[\frac{1}{n_1^2}-\frac{1}{n_2^2}\right] \\& \mathrm{n}_2=5 \text { and } \mathrm{n}_1=1 \\& \mathrm{R}=1.097 \times 10^7 \mathrm{~m}^{-1}\end{aligned}$$\)
\(\frac{1}{\lambda}=R_{\infty}\left[\frac{1}{n_1^2}-\frac{1}{n_2^2}\right]$\\\\$\Rightarrow \frac{1}{\lambda}=1.097 \times 10^7 \mathrm{~m}^{-1}\left[\frac{1}{1^2}-\frac{1}{5^2}\right]$\\\\$\Rightarrow \frac{1}{\lambda}=1.097 \times 10^7 \mathrm{~m}^{-1} \times 0.96=10531200 \mathrm{~m}^{-1}$$\lambda\\\\=\frac{1}{10531200 \mathrm{~m}^{-1}}\\\\=9.50 \times 10^{-8} \mathrm{~m}$$\lambda\\\\=95.0 \times 10^{-9} \mathrm{~m}\\\\=\mathbf{9 5 . 0} \mathbf{n m}$\)
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What is the shortest wavelength of light that can be emitted by a hydrogen atom, if the electron is initially in the n=5 level? Give your answer accurate to three significant figures.
The balanced chemical equation for the reaction between sodium chloride and silver nitrate is: NaCl(aq) AgNO3(aq) AgCl(s) NaNO3(aq) We can interpret this to mean: ... 1 mole of sodium chloride and moles of silver nitrate React to produce ... moles of silver chloride and moles of sodium nitrate
Answer:
1 mole of NaCl reacts with 1 mole of AgNO₃ to produce 1 mole of AgCl and 1 mole of NaNO₃
Explanation:
The given reaction is a double decomposition (metathesis) reaction. A reaction in which the products are formed by the exchange of the ions present in the two reactants. NaCL and AgNO₃ exchange ions to form AgCl, which precipitates and NaNO₃.
The balanced equation for reaction is given below;
NaCl(aq) + AgNO₃(aq) ----> AgCl(s) + NaNO₃(aq)
In the reaction above, the mole ratio of the reactants to products is 1 : 1 ---> 1 : 1
This means that 1 mole of NaCl reacts with 1 mole of AgNO₃ to produce 1 mole of AgCl and 1 mole of NaNO₃.
Given the molar mass of the compounds above;
NaCl = 58.5 g/mol; AgNO₃ = 170 g/mol; AgCl = 143.5 g/mol; NaNO₃ = 85 g/mol
Therefore, 58.5 g of NaCl reacts with 170 g of AgNO₃ to produce 143.5 g of AgCl and 85 g of NaNO₃
How many moles of Oz would be required to generate 13.0 mol of NO2
in the reaction below assuming the reaction has only 74.1% yield?
2 NO (g) + O2 (g) → 2 NO2 (g)
Answer:32
Explanation:
Have a nice day :)
What pressure is required to reduce 63 mL of a gas at standard conditions to 20 mL at the temperature of 24◦C?
Answer in units of atm, please.
Answer:
3.43atm
Explanation:
Using the combined gas law equation as follows:
P1V1/T1 = P2V2/T2
Where;
P1 = initial pressure (atm)
P2 = final pressure (atm)
V1 = initial volume (L)
V2 = final volume (L)
T1 = initial temperature (K)
T2 = final temperature (K)
According to the provided information in this question,
P1 = 1 atm (standard pressure)
P2 = ?
V1 = 63mL
V2 = 20mL
T1 = 273 K (standard temperature)
T2 = 24°C = 273 + 24 = 297K
Using P1V1/T1 = P2V2/T2
1 × 63/273 = P2 × 20/297
63/273 = 20P2/297
Cross multiply
297 × 63 = 273 × 20P2
18711 = 5460P2
P2 = 18711/5460
P2 = 3.426
P2 = 3.43atm
Is the process of bananas ripening a chemical change or a physical change? explain?
Answer:
A banana ripening is a chemical change not only because it results in the darkening of the bananas skin, which is a change in color, but also because it changes the texture and taste of the banana on the inside to be softer and sometimes even sweeter!
Explanation:
As a rule of thumb Chemical change: change in color, state (liquid to gas) or is ireversible like burning something. Physical change: Ripping a peice a paper or blowing a balloon up where it can be changed back and isnt permanent.
Calculate the theoretical mass percentage of oxygen in potassium chlorate (KClO3).
To calculate the theoretical mass percentage of oxygen in potassium chlorate (KClO3), we need to find the molar mass of KClO3 and the molar mass of oxygen.
The molar mass of KClO3 can be calculated by adding the atomic masses of its constituent elements:
K = 39.10 g/mol
Cl = 35.45 g/mol
O = 3 x 16.00 g/mol = 48.00 g/mol
Molar mass of KClO3 = 39.10 g/mol + 35.45 g/mol + 48.00 g/mol = 122.55 g/mol
The molar mass of oxygen is 16.00 g/mol.
The percentage of oxygen by mass in KClO3 can be calculated using the formula:
(molar mass of oxygen / molar mass of KClO3) x 100
= (16.00 g/mol / 122.55 g/mol) x 100
= 13.05%
Therefore, the theoretical mass percentage of oxygen in potassium chlorate (KClO3) is 13.05%.
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A voltaic cell is based on Ag+(aq)/Ag(s) and Fe3+(aq)/Fe2+(aq) half-cells. What is the standard emf of the cell? E = 0.028 V
A.) Which reaction occurs at the cathode, and which at the anode of the cell?
Express your answer as a chemical equation. Identify all of the phases in your answer.
Cathode reaction: ______
B.) Express your answer as a chemical equation. Identify all of the phases in your answer.
Anode Reaction: ______
The standard emf of the voltaic cell based on Ag+(aq)/Ag(s) and Fe3+(aq)/Fe2+(aq) half-cells is 0.03 V.
To determine the reactions at the cathode and anode, we need to know the standard reduction potentials of the given half-cells. The standard reduction potentials are as follows:
Ag+(aq) + e- → Ag(s) E° = +0.80 V
Fe3+(aq) + e- → Fe2+(aq) E° = +0.77 V
Since the higher reduction potential will occur at the cathode and the lower one at the anode, we have:
Cathode reaction: Ag+(aq) + e- → Ag(s)
Anode reaction: Fe3+(aq) + e- → Fe2+(aq)
The cathode reaction involves the reduction of silver ions to silver metal, and the anode reaction involves the reduction of ferric ions to ferrous ions. And the standard emf of the cell is:
E°cell = E°cathode - E°anode
E°cell = +0.80 V - (+0.77 V)
E°cell = 0.03 V
In this voltaic cell, the cathode reaction is Ag+(aq) + e- → Ag(s), and the anode reaction is Fe3+(aq) + e- → Fe2+(aq). The standard emf of the cell is 0.03V.
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A voltaic cell is based on Ag+(aq)/Ag(s) and Fe3+(aq)/Fe2+(aq) half-cells. The cathode reaction is \(Ag^+(aq) + e^{-}\ - > Ag(s)\) and the anode reaction is \(Fe^{3+}(aq)\ - > Fe^{2+}(aq) + e^{-}\).
Determine the cathode and anode reactions
To determine the cathode and anode reactions in the voltaic cell based on the \(Ag^+(aq)/Ag(s)\ and\ Fe^{3+}(aq)/Fe^{2+}(aq)\) half-cells, we need to compare the reduction potentials of each half-reaction. The reaction with the higher reduction potential will occur at the cathode (where reduction takes place), while the reaction with the lower reduction potential will occur at the anode (where oxidation takes place).
The standard reduction potentials for the half-reactions are as follows:
\(Ag^+(aq) + e^{-}\ - > Ag(s) \ \ \ \ \ \ \ \ E\° = +0.80 V\)
\(Fe^{3+}(aq) + e^{-} \ - > Fe^{2+}(aq) \ \ \ \ \ \ \ \ E\° = +0.77 V\)
Since the standard reduction potential for \(Ag^+(aq)/Ag(s)\) is higher than that of \(Fe^{3+}(aq)/Fe^{2+}(aq)\), the \(Ag^+(aq)/Ag(s)\) half-reaction will occur at the cathode (reduction) and the \(Fe^{3+}(aq)/Fe^{2+}(aq)\) half-reaction will occur at the anode (oxidation).
A.) Cathode reaction:
\(Ag^+(aq) + e^{-}\ - > Ag(s)\)
B.) Anode reaction:
\(Fe^{3+}(aq)\ - > Fe^{2+}(aq) + e^{-}\)
It's important to note that the oxidation half-reaction is typically written in the reverse direction (as an oxidation) to emphasize the loss of electrons.
Therefore, the cathode reaction is \(Ag^+(aq) + e^{-}\ - > Ag(s)\) and the anode reaction is \(Fe^{3+}(aq)\ - > Fe^{2+}(aq) + e^{-}\).
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SOMEONE HELP ME PLEASE
Answer:
high kinetic
Explanation:
I just did it
Answer: the answer is high kinetic energy
Explanation:
In which situations does Newton's third law play a role?
Select all that apply.
A full cart is harder to move than an empty one
A runner moves faster because she has the wind at her back.
When walking, the foot pushes the ground and the ground pushes the foot.
An astronaut moves backward by throwing a hammer forwar
Newton's third law states that for every action, there is an equal and opposite reaction. This law is applicable in many situations.
The situation where a full cart is harder to move than an empty one is an example of Newton's third law. When a force is applied to the full cart, the cart pushes back with an equal and opposite force making it harder to move.
When a runner has the wind at her back, it is not an example of Newton's third law. This is because the wind is an external force, and there is no direct action-reaction pair involved.
When walking, the foot pushes the ground, and the ground pushes the foot with an equal and opposite force, making it an example of Newton's third law.
When an astronaut moves backward by throwing a hammer forward, it is an example of Newton's third law. When the astronaut throws the hammer forward, the hammer exerts an equal and opposite force on the astronaut, propelling the astronaut backward.
In summary, situations where two objects interact with each other, exerting equal and opposite forces, are examples of Newton's third law.
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Answer it answer it answer it
Answer:
\(\Large \boxed{\mathrm{A}}\)
Explanation:
Rust formed from iron and oxygen combining is a chemical change, because in a chemical change, the resulting substance(s) will have different properties from the substance(s) before the chemical change.
I cant comment... So is it Right?
Summarize the ways in which technological advances and enforcement of safety and environmental laws and regulations are attemping to avoid or reduce the negative effects of finding, producing, and transporting oil.
Utilizing several well pads can drastically minimize the quantity of well pads, access roads, pipeline routes, and production facilities, decreasing habitat disruption, negative effects on the general population, and the environmental footprint overall.
Technological advancementPreventive maintenance of deteriorating pipelines, collection lines, and flow lines, lightning protection for manufacturing equipment, and proper polyethylene pipe (poly-pipe) installation techniques are a few of the most important strategies to help reduce pollution concerns. 1. Regular maintenance.What is the greatest way for the US to lessen its reliance on foreign...Invest money into the creation and supply of alternative energy sources.The Arctic National Wildlife Refuge should be open to drilling.Implement subsidies and rules to control consumption.Obtain fuel from the Strategic Petroleum Reserve.For more information on technological advancement in environment safety kindly visit to
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What is Decomposition Reaction
Answer:
Explanation:
Decomposition reaction, also known as analysis or dissociation, is a type of chemical reaction in which a compound breaks down into simpler substances or elements. In this reaction, a single reactant undergoes a chemical change and produces two or more products.
The decomposition reaction can be represented by the general equation:
AB → A + B
Where AB is the reactant, and A and B are the products. The reactant AB is usually a compound, and it breaks down into its constituent elements or simpler compounds.
There are different types of decomposition reactions, including:
Thermal decomposition: It occurs when a compound is heated, resulting in its decomposition into simpler substances. For example, the thermal decomposition of calcium carbonate (CaCO3) produces calcium oxide (CaO) and carbon dioxide (CO2):
CaCO3 → CaO + CO2
Electrolytic decomposition: It takes place when an electric current is passed through an electrolyte, causing it to break down into its component ions. For instance, the electrolysis of water (H2O) leads to the decomposition into hydrogen gas (H2) and oxygen gas (O2):
2H2O → 2H2 + O2
Photochemical decomposition: It occurs when a compound undergoes decomposition due to exposure to light energy. Chlorine gas (Cl2) can decompose into chlorine atoms (Cl) under the influence of light:
Cl2 → 2Cl
These are just a few examples of decomposition reactions. They are important in various chemical processes and are used in industries, laboratory experiments, and natural phenomena. By understanding and controlling decomposition reactions, scientists can gain insights into the behavior of different compounds and develop practical applications in fields such as chemistry, materials science, and environmental science.
Answer:
Explanation:
reaction in which a compound breaks down into simpler substances or elements
which type of test should be used to determine if lab 1 is reporting lower cholesterol levels, on average, than lab 2?
A cholesterol test is a blood test that quantifies your blood's levels of cholesterol and certain fats. Every cell in your body, including the ones that make up your blood, contains cholesterol, a waxy, fatty-like substance.
What are the most common chemistry tests?Elevated blood ammonia (BUN) and creatinine are measured during kidney function testing, often known as renal panels. Aspartate analyzer (ALT), alkaline phosphatase (ALP), transaminase (AST), bilirubin, albumin, and total protein are all measured in liver function tests.
Why are lab tests necessary?In patients suffering from viral infections or immunological disorders, scientific tests are particularly helpful in establishing a diagnoses, predicting clinical symptoms, and tracking disease progression. In the management of diseases, timely diagnostic evaluation and the use of accurate tests are crucial.
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WHAT IS A ELECTROLYTE?THIS IS FOR MY PRESENTATION
Answer:
Explanation:
substance (as an acid or salt) that when dissolved (as in water) conducts an electric current.
Answer:
An electrolyte is a compound which produces ions when dissolved in a solution such as water. These ions have either a positive or negative electrical charge, which is why we refer to these compounds as electro-lytes
If you need to produce 66 grams of carbon dioxide, how many liters of water vapor would you produce as a by product?
The question requires us to calculate the amount of vapor water produced as a by-product when 66g of carbon dioxide are obtained from the combustion of propane.
Considering the combustion of propane (C3H8), we have the following reaction:
\(2C_3H_8+9O_2\to4CO_2+2CO_{}+8H_2O_{(v)}\)IFrom the reaction, we can see that the stoichiometric relationship between C3H8 and water (H2O) is as follows:
2 mol C3H8 ---------- 8 mol H2O
Then, to calculate the amount of water produced as a by-product, we'll need to determine the amount of reactant needed to produce 66g of CO2.
Since the molar mass of CO2 is 44g/mol and considering the reaction written above, we can write:
2 mol C3H8 ---------- 4 mol CO2
x ---------- (66g/44g) = 1.5 mol CO2
Solving for x, we have that 0.75 mol of C3H8 are required to produce 66g of CO2.
Now, we calculate the amount of water that should be obtained from 0.75 mol of C3H8:
2 mol C3H8 ---------- 8 mol H2O
0.75 mol C3H8 ----- y
Solving for y, we have that 3 moles of water will be obtained as a by-product.
At last, we convert the calculated amount of vapor water into its volume considering the Standard Temperature and Pressure conditions (STP), where 1 mol of a gas corresponds to 22.4 L of the same gas:
1 mol vapor H2O ---------- 22.4 L vapor H2O
3 mol vapor H2O --------- z
Solving for z, we have that 67.2 L of vapor water will be obtained as a by-product when 66g of CO2 are produced from the combustion of propane.
Manganese (IV) perbromate please put into formula form
Answer
The formula form of Manganese (IV) perbromate is
\(Mn(BrO_4)_4\)Explanation
The formula of Manganese is Mn
The formula for perbromate is BrO₄⁻
Oxidation number of Manganese (IV) = +4, That is Manganese (IV) is Mn⁺⁴
Therefore, multiply the charge of manganese by 1 and perchlorate by 4 t
what component of a qpcr contains salts and other buffering components to provide the correct chemical environment for the reaction to work?
The component of a qPCR that contains salts and other buffering components to provide the correct chemical environment for the reaction to work is the reaction buffer.
The reaction buffer is a crucial component of qPCR as it contains all the necessary reagents needed for the amplification of the target DNA sequence. The buffer's function is to maintain a stable pH, regulate the ionic strength, and provide the necessary cofactors needed for the PCR reaction to occur. These include magnesium ions, which are essential for the activity of the DNA polymerase enzyme, and dNTPs, which are the building blocks for DNA synthesis.
The buffer also contains stabilizers and additives to prevent degradation of the DNA or enzymes during the reaction. Overall, the reaction buffer is a critical component of qPCR that ensures the reaction occurs under optimal conditions, leading to accurate and reliable results. The component of a qPCR that contains salts and other buffering components to provide the correct chemical environment for the reaction to work is the reaction buffer.
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How many mL of 0.500 M NaI would be required to make a 0.0320 M solution of NaI when diluted to 275.0 mL with water
17.6 mL of 0.500 M NaI would be required to make a 0.0320 M solution of NaI when diluted to 275.0 mL with water.
Using the dilution formula:
C₁V₁ = C₂V₂
where C₁ is the initial concentration (0.500 M)
V₁ is the initial volume
C₂ is the final concentration (0.0320 M)
V₂ is the final volume (275.0 mL).
Solving for V₁:
V₁ = (C₂V₂) / C₁
Putting the values:
V₁ = (0.0320 M × 275.0 mL) / 0.500 M
V₁ = 17.6 mL
So, you would need 17.6 mL of 0.500 M NaI to make a 0.0320 M solution of NaI.
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What is generally true of atoms with relatively large atomic radii?
A. Large atoms hold their electrons very tightly.
B. Large atoms tend to have a low ionization energy and a low electron affinity.
C. Large atoms tend to be found on the right side of their period on the periodic table.
D. Large atoms are usually found at the top of their group on the periodic table.
Answer:
B. Large atoms tend to have a low ionization energy and a low electron affinity.
Explanation:
Atomic radii can be defined as a measure of the size (distance) of the atom of a chemical element such as hydrogen, oxygen, carbon, nitrogen etc, typically from the nucleus to the valence electrons. The atomic radius of a chemical element decreases across the periodic table, typically from alkali metals (group one elements such as hydrogen, lithium and sodium) to noble gases (group eight elements such as argon, helium and neon). Also, the atomic radius of a chemical element increases down each group of the periodic table, typically from top to bottom (column).
Generally, atoms with relatively large atomic radii tend to have a low ionization energy and a low electron affinity. Ionization energy can be defined as the minimum energy required to remove or detach an electron from a neutral atom in a gaseous state. Electron affinity can be defined as the ability of an atom of a chemical element to accept or accommodate an electron.
why can't a beaker be used to measuring the volume of a liquid
Answer:
It doesn't have measure marks on it.
PLSSS HELP!!!!!!!!URGENT!!!!
Answer:
I don't now much but is at D
1. Describe what happens to water particles as you increase/decrease the temperature/pressure? (hint: movement/speed, attraction, density, volume, state of matter)
2. Describe and explain what happens to balloons when they are heated/cooled
3. Describe what happens to a cold beverage container on a hot day?
4. Explain how a glass (mercury) thermometer works.
1) The speed of the particles would increase when heated
2) The balloon would expand when heated and contract when cooled.
3) On a hot day, the pressure of the gas in a beverage increases
4) The mercury thermometer works by expanding or contracting in response to temperature change.
What is effect of temperature?We know that one of the effects of temperature is that it is able change the molecular motion of an object. Thus the molecules of an object are able to move faster when heat is applied and they are able to slow down when the heat is removed.
This is why a balloon would have a greater volume when the temperature is increased as the gas molecules spread out. The volume would reduce or decrease when the temperature is reduced.
Also, on a hot day, a beverage would tend to be more fuzzy as the pressure of the gas in the beverage would increase as the temperature is increased.
Lastly, when we use the mercury thermometer, the volume of the mercury would increase and this is the reason for the expansion of the mercury during temperature measurement.
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Suppose a sample of carbon dioxide and a separate sample of water are each held at a temperature of -80°C and a pressure of 5.00 atm. The temperature of each sample is gradually increased to 10°C while keeping the pressure constant.
What will happen to each sample?
Select the correct answer from each drop-down menu.
The water will undergo _; the carbon dioxide will undergo _
Blank 1 and 2:
melting
freezing
sublimation
deposition
vaporization
deposition
condensation
The water will undergo condensation; the carbon dioxide will undergo sublimation.
The water will undergo condensation; the carbon dioxide will undergo sublimation.
When the temperature of the water sample is increased, it will go from a solid (ice) to a liquid state through the process of melting. However, when the temperature of the carbon dioxide sample is increased, it will go from a solid (dry ice) to a gas state through the process of sublimation. This is because at the given pressure of 5.00 atm, carbon dioxide does not exist as a liquid at any temperature. On the other hand, as the temperature of the water sample is increased, its vapor pressure will increase until it reaches the pressure of 5.00 atm. At this point, the water vapor will condense back into a liquid state.
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Within the visible spectrum, red light has
Answer:
Within the visible spectrum, red light has the longest wavelength.
Hope that helps! :)
Explanation:
imagine an atmosphere exists that contains every element in the universe in its atomic, rather than molecular form. which element would move with the fastest average speed while in thermal equilibrium in the atmosphere?
The element that would move with the fastest average speed while in thermal equilibrium in the atmosphere is hydrogen.
What is hydrogen?Hydrogen (H) is a colorless, tasteless, odorless, flammable and gaseous substance that is the simplest member of the family of chemical elements. Hydrogen, with the atomic number 1, is the lightest chemical element in the universe. It is also the most abundant element in the universe.
A hydrogen atom has a nucleus consisting of a proton bearing a unit of positive electrical charge; an electron, bearing a unit of negative electrical charge, is also associated with this nucleus.
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What is the most important role that water plays for living organisms?
A. All organisms need water as energy source.
B. All organisms need water to transport chemicals into their cells.
C. All organisms live in the water
D. All organisms need water to stay clean
Answer:
A. All organisms need water as energy source
which statement best explains why chlorine is added to drinking water? A. Chlorine cures infections caused by bacteria or other microorganisms B. Chlorine protects people teeth against cavities C. Chlorine prepares the body to fight future infections D. Chlorine kills most pathogens in water
Answer:
to protect peoples teeth against cavities
Explanation:
i just know
Answer: its D
Explanation: A.P.E.X.
State three uses of oxidation number
Answer:
Explanation:
1. To identify what's been oxidised and what's been reduced in a redox reaction
2. In naming compounds
3. To work out reacting proportions in titration reactions
An experiment was conducted to see which metal pot would be better for cooking food quickly. The table below shows how quickly small pieces of wax melted during the experiment.
Type of metal
Time for the wax to melt (seconds)
Aluminum
27
Bronze
45
Copper
15
Steel
80
The following statement was made after the data were examined: “Copper pots are the best pots for cooking food quickly.” Which term best describes this statement?
conclusion
hypothesis
procedure
result
Answer:
Conclusion.....hope this helps
Answer:
conclusion
Explanation:
Calculate the pH of a 0.09 M solution of HBr