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How does temperature affect the rate constant for a reaction?
A. increasing temperature exponentially increases the rate constant
B. increasing temperature linearly increases the rate constant
C. increasing temperature exponentially decreases the rate constant
D. increasing temperature linearly decreases the rate constant
E. temperature has no effect on the rate constant

Answers

Answer 1
It’s A and D have a good day!!

Related Questions

A 25.0 L tank of nitrogen gas is at 25 oC and 2.05 atm . If the temperature stays at 25 oC and the volume is decreased to 14.5 L , what is the new pressure?

Answers

Answer:

[tex]\boxed {\boxed {\sf P_2 \approx 3.53 \ atm}}[/tex]

Explanation:

In this problem, the temperature stays constant. The volume and pressure change, so we use Boyle's Law. This states that the pressure of a gas is inversely proportional to the volume. The formula is:

[tex]P_1V_1=P_2V_2[/tex]

Now we can substitute any known values into the formula.

Originally, the gas has a volume of 25.0 liters and a pressure of 2.05 atmospheres.

[tex]25.0 \ L * 2.05 \ atm = P_2V_2[/tex]

The volume is decreased to 14.5 liters, but the pressure is unknown.

[tex]25.0 \ L * 2.05 \ atm = P_2 * 14.5 \ L[/tex]

Since we are solving for the new pressure, or P₂, we must isolate the variable. It is being multiplied by 14.5 liters and the inverse of multiplication is division. Divide both sides by 14.5 L .

[tex]\frac {25.0 \ L * 2.05 \ atm }{14.5 \ L}=\frac{P_2 *14.5 \ L}{14.5 \ L}[/tex]

[tex]\frac {25.0 \ L * 2.05 \ atm }{14.5 \ L}= P_2[/tex]

The units of liters cancel.

[tex]\frac {25.0 * 2.05 \ atm }{14.5 }=P_2[/tex]

[tex]\frac {50.25\ atm }{14.5 }=P_2[/tex]

[tex]3.53448276 \ atm = P_2[/tex]

The original values of volume and pressure have 3 significant figures, so our answer must have the same.

For the number we found, that is the hundredth place.

3.53448276

The 4 in the thousandth place (in bold above) tells us to leave the 3 in the hundredth place.

[tex]3.53 \ atm \approx P_2[/tex]

The new pressure is approximately 3.53 atmospheres.

Please help me with number 43

Answers

Answer:

The reason why atomic mass is usually not a whole number is because it is a weighted average of the mass numbers of isotopes

Explanation:

Which model illustrates a compound A, b, c, d,

Answers

Answer: C

Explanation: I have the same question, it’s for summit, my teacher helped me with this question :)

2. Given the following balanced chemical equation: 3ZnO + 2Li3N
-->
Zn3N2 + 3Li20
If 3.14 g of ZnO reacts with 3.14 g of Li3N,
a. Identify the limiting reactant.
b. Identify the reactant in excess.
c. How many grams of Zn3N2 are formed?
d. How many grams of the excess reactant are needed for the reaction?
e. How many grams of the excess reactant are left at the end of the reaction?

Answers

Answer: For question, C. 224.1534

Explanation:

1 mole is equal to 1 moles Zn3N2, or 224.1534 grams.

Arriving back from school, you decide to microwave a Hot Pocket for a snack. You have a
1500W microwave that took 3 minutes to cook the Hot Pocket.

Answers

Answer:

Kristy thank you doing today hope you doing recently

Radio waves, ultraviolet rays, X-rays, and gamma rays are all examples of electromagnetic radiation, as are microwaves.

What is Microwave?

There are several uses for microwaves, including for communications, radar, and—possibly for the most part—cooking. Waves or particles of electromagnetic radiation with various wavelengths and frequencies are communicated.

The electromagnetic spectrum (EM spectrum) is the name given to this wide spread of frequencies. In general, the spectrum is divided into seven areas in ascending sequence of increasing energy and frequency and decreasing wavelength.

Radio waves, microwaves, infrared (IR), visible light, ultraviolet (UV), X-rays, and gamma-rays are some of the common names for these types of energy. In the electromagnetic (EM) spectrum, microwaves are found between radio and infrared light.

Therefore, Radio waves, ultraviolet rays, X-rays, and gamma rays are all examples of electromagnetic radiation, as are microwaves.

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Consider the Hertzsprung Russell diagram seen here. We can use this diagram to classify stars and determine their characteristics.
The color of a star is determined by its temperature: the hottest stars are blue and the coolest are red. The Sun has a surface
temperature of 5,500°C and it appears yellow. The diagram also indicates that temperature coincides with luminosity: the hotter the
star, the higher the luminosity. You can also tell the size of each star from the graph as the larger the radius, the higher the
temperature and luminosity. Regardless of a star's position in the diagram, the energy that results in high temperatures and the stars
luminosity is generated by what process?
W
A)
nuclear fusion
B)
nuclear fission
gravitational forces of swirling gases
D)
friction generated by gravitational force

Answers

Answer:

Explanation:

A- nuclear fusion

Help me Look at the pictures!!!! Past due!
Make an explanation of how my hypothesis is not supported.

Answers

Answer:

Explanation:

the temperture of the warmer water will make it have more space and have less density in the water.

What happens to water molecules when a large quantity of thermal energy is added to water in the liquid state?

Answers

Answer:

The molecules gain kinetic energy, more farther apart, and become a gas.

Explanation:

Answer:

Explanation:

Continued heating of liquid water causes the molecules to vibrate even faster, steadily raising the temperature,    Freezing  When liquid water freezes, it releases thermal energy and turns into the solid-state, ice.

Determine the mass in grams of Avogadro's number of C12H22O11

Answers

Answer:

2.059524x10^26 if im not wrong

Explanation:

avogadro's number is 6.022x10^23

Please helppppp!!! I have 10 minutes left!!!

Answers

Answer:

I think it's the ash can mix with rivers to form mudflows

how many grams of copper do you have if you have 2.00 moles of copper​

Answers

Answer:

We assume you are converting between moles Copper and gram. You can view more details on each measurement unit: molecular weight of Copper or grams.

What the first person said :)

which process requires more energy to be released, condensation or freezing? explain

Answers

Answer:

Condensation

Explanation:

the process of evaporation and condensation takes 7.5 times as much energy as melting or freezing.

According to the forces of attraction, condensation process  requires more energy to be released,as in the process state is changing from less orderly state to a more orderly state.

What are forces of attraction?

Forces of attraction  is a force by which atoms in a molecule  combine. it is basically an attractive force in nature.  It can act between an ion  and an atom as well.It varies for different states  of matter that is solids, liquids and gases.

The forces of attraction are maximum in solids as  the molecules present in solid are tightly held while it is minimum in gases  as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.

The physical properties such as melting point, boiling point, density  are all dependent on forces of attraction which exists in the substances.

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PLEASE HELP ASAP!!

57. Sodium sulfate is used in the manufacture of detergents.
a. Identify each of the component elements of sodium sulfate, and write the compound's chemical formula.
b. Identify the compound as ionic or covalent.
c. Calculate the percent by mass of each element in sodium sulfate.

Answers

Answer:

See Explanation

Explanation:

The formula of sodium sulphate is Na2SO4. The component atoms in the compound are; sodium, sulphur and oxygen.

The compound is ionic. it is composed of sodium ions and sulphate ions.

The molar mass of sodium sulphate = 142 g/mol

percentage by mass of sodium =  2* 23/142 * 100 = 32.39 %

percentage by mass of sulphur = 32/142 * 100 = 22.5%

percentage by mass of oxygen = 4 * 16/142 * 100 = 45.1 %


Calculate the average reading for all three trials for both the wet bulb and dry bulb thermometers. Convert the average
temperatures for both thermometers to Celsius using this formula:
(°F - 32) = °C.

Answers

Answer: °32= 0 °C.

Explanation:

Answer:

Explanation:

Please add the temperature readings from all three trials for both thermometers. Will do the calculation with readings.

Only producers are able to capture energy from the sun and the matter from the environment to make food.How does energy that come from the sun get to every other organism?How does matter from the environment enter every other organism?

Answers

Answer:

Explanation:

Plants get energy from sunlight to produce carbohydrates. When a consumer such as herbivore consume plants, he gets energy and when a canivore or omnivore consume the primary consumer, energy is also transfered to them and this is called food chain.

Matter from the environment which include fallen leaves or trees will decompose after a while in the ground when decomposers begin to act on it and it will eventually give them energy. Decomposer help break down organic matter such as leaves,dead animals and get little amount of of energy in the energy flow pyramid

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The equation below represents the main ingredients a vendor uses to make the double cheeseburgers he sells.

1 bun + 2 hamburger patties + 2 slices of cheese à 1 double cheeseburger

The double cheeseburgers sell for $2 each. The vendor has 1326 buns, 2624 hamburger patties and 2004 slices of cheese. How much money will the vendor make selling the double cheeseburgers

Answer:______ dollars

Answers

Answer:

1326

2624÷2=1312

2004÷2=1002

1002*2=$2004

Explanation:

2004 dollars

Answer:

.-.

Explanation:

What is the relationship between a planet's period of rotation and diameter?

Answers

There is, however, a relationship between a planet's distance from the Sun and its period of revolution. Kepler's third law of planetary motion says that the square of the planet's orbital period is proportional to the cube of its semimajor axis.

According to Kepler's third law of planetary motion, a planet's semimajor axis and orbital period are inversely proportional.

What is Kepler's third law?

Kepler's third law is defined as the cubes of the semi-major axes of the planets' orbits are directly proportional to the squares of the planets' orbital periods. According to Kepler's Third Law, as an orbiting planet's radius increases, so does the time of its orbit around the Sun. A planet's orbits around the sun are accurately described by Kepler's third law in terms of their period and distance.

The cube (third power) of an orbital radius is directly related to the square (second power) of a planet's period (P2 = R3). The period of revolution shortens as the planet's distance from the sun rises.

Thus, according to Kepler's third law of planetary motion, a planet's semimajor axis and orbital period are inversely proportional.

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6. What happens when :
a)
manganese dioxide is heated with conc.
hydrochloric
acid.​

Answers

Answer:

Chlorine gas is produced

Explanation:

One of the methods of laboratory preparation of chlorine gas is to heat manganese dioxide with concentrated hydrochloric acid. The acid is oxidized by the manganese dioxide to liberate chlorine gas as follows;

MnO2(s) + 4HCl(aq) -------> MnCl2(aq) + 2H2O(l) + Cl2(g)

Hence, When manganese dioxide is heated with concentrated hydrochloric

acid, chlorine gas is liberated.

can someone answer dis:
1) The atomic number of an element shows how many ___________ there are in its atoms.
thankss

Answers

I think that the answer is protons

When maganese dioxide is added to hydrogen chloride you get water maganese dichloride and chlorine gas write the balanved equation

Answers

Answer: When maganese dioxide is added to hydrogen chloride you get water maganese dichloride and chlorine gas then balanced equation is [tex]MnO_{2} + 4HCl \rightarrow 2H_{2}O + MnCl_{2} + Cl_{2}[/tex].

Explanation:

The word equation is given as maganese dioxide is added to hydrogen chloride you get water maganese dichloride and chlorine gas.

Now, in terms of chemical formulae this reaction equation will be as follows.

[tex]MnO_{2} + HCl \rightarrow H_{2}O + MnCl_{2} + Cl_{2}[/tex]

Here, number of atoms on reactant side are as follows.

Mn = 1O = 2H = 1Cl = 1

Number of atoms on product side are as follows.

Mn = 1O = 1H = 2Cl = 4

To balance this equation, multiply HCl by 4 on reactant side and multiply [tex]H_{2}O[/tex] by 2 on product side. Therefore, the equation can be rewritten as follows.

[tex]MnO_{2} + 4HCl \rightarrow 2H_{2}O + MnCl_{2} + Cl_{2}[/tex]

Hence, number of atoms on reactant side are as follows.

Mn = 1O = 2H = 4Cl = 4

Number of atoms on product side are as follows.

Mn = 1O = 2H = 4Cl = 4

Since, this equation contains same number of atoms on both reactant and product side. Therefore, this equation is now balanced equation.

Thus, we can conclude that when maganese dioxide is added to hydrogen chloride you get water maganese dichloride and chlorine gas then balanced equation is [tex]MnO_{2} + 4HCl \rightarrow 2H_{2}O + MnCl_{2} + Cl_{2}[/tex].

WILL MARK BRAINLIEST
What is the oxidation state of Carbon in CaC2O4?

Answers

Answer:

The oxidation state of carbon in CaC204 is 3

Answer:The oxidation number of the carbons + the oxidation numbers of the oxygens must equal -2. Carbons + (-8) = -2 so the oxidation number of the carbons must be +6. Since there are 2 carbon atoms each must contribute +3 each. What is the oxidation number of S in Na2S2O3?

Explanation:

The oxidation state of Oxygen is -2 and that of Calcium is +2. There are four oxygen atoms which amounts to -8 charge. This leaves a charge of +6 on Carbon

The author wanted to revise this story to allow readers to understand more fully how Coach Wilkins felt about the banquet and his career. What change would be MOST effective? Include the point of view of the coach by adding his thoughts and dialogue. A) Remove all the details about Josh, the cafeteria workers, and Principal Edwards B) Include more information on the activities with which Coach Wilkins was involved. Change the details to have Coach Wilkins deciding to teach social studies and coach footbalL D) y Comprehension​

Answers

Answer:D

Explanation:i did the usa test prep

Answer:answer is D

Explanation:

A gas is confined in a cylinder fitted with a movable piston. At 27ºC, the gas occupies a volume of 2.0 L under a pressure of 3.0 atm. The gas is heated to 47ºC and compressed to 5.0 atm. What volume does the gas occupy in its final state?

A: 0.78 L

B:1.3 L

C:2.1 L

D:0.48 L

Answers

The answer is B (1.3L)

This might help:

The volume of the gas is 1.27 L at a temperature is 47°C and the pressure is 5.0 atm. Therefore, option (B) is correct.

What is the ideal gas equation?

The ideal gas equation is described as the equation of the state of a perfect gas. The ideal gas equation is the product of the pressure and volume of one-mole gas is equal to the multiplication of the absolute temperature and gas constant.

The mathematical equation for a perfect gas is as follows:

PV = nRT

where n is the moles of an ideal gas, P is the pressure of the gas,  V is the volume, and R is the universal gas constant.

Given, the initial volume of the gas, V₁ = 2.0 L

The initial temperature of the gas, T₁ =  27° C = 300.15 K

The initial pressure of the gas, P₁ = 3.0 atm

The final temperature of the gas, T₂ =  47° C = 320.15 K

The initial pressure of the gas, P₂ = 5.0 atm

We know that for an ideal gas:

[tex]\frac{P_1V_1}{T_1} =\frac{P_2V_2}{T_2}[/tex]

[tex]V_2=\frac{P_1V_1T_2}{T_1P_2}[/tex]

[tex]V_2= \frac{3.0\times2.0\times320.15}{5.0\times 300.15}[/tex]

[tex]V_2= 1.27 L[/tex]

Therefore, the volume of the gas in its final state is equal to 1.27 L when the gas is heated to 47ºC and compressed to 5.0 atm.

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What is the name of NaC2H3O2?

Answers

Sodium Acetate, hope it helps

The chemical name for NaC₂H₃O₂ is sodium acetate.

Sodium acetate is a compound that consists of sodium ions (Na+) and acetate ions. It is also known by its chemical formula CH₃COONa. The compound is commonly found in both solid and aqueous forms.

Sodium acetate is produced by the neutralization reaction between acetic acid and sodium hydroxide. It can also be obtained by reacting sodium carbonate with acetic acid. The resulting product is a white crystalline solid that is highly soluble in water.

One of the notable properties of sodium acetate is its ability to act as a buffer solution, meaning it can resist changes in pH. It is often used in various applications.

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balance FeCl3 + MgO ---> Fe2O3 + MgCl2

Answers

Answer: The balanced equation is [tex]2FeCl_{3} + 3MgO \rightarrow Fe_{2}O_{3} + 3MgCl_{2}[/tex]

Explanation:

The given reaction equation is as follows.

[tex]FeCl_{3} + MgO \rightarrow Fe_{2}O_{3} + MgCl_{2}[/tex]

Here, number of atoms present on reactant side are as follows.

Fe = 1Cl = 3Mg = 1O = 1

Number of atoms on product side are as follows.

Fe = 2Cl = 2Mg = 1O = 3

To balance this equation, multiply [tex]FeCl_{3}[/tex] by 2 and MgO by 3 on reactant side. Also, multiply [tex]MgCl_{2}[/tex] by 3 on product side. Therefore, the equation can be rewritten as follows.

[tex]2FeCl_{3} + 3MgO \rightarrow Fe_{2}O_{3} + 3MgCl_{2}[/tex]

Hence, number of atoms on reactant side are as follows.

Fe = 2Cl = 6Mg = 3O = 3

Number of atoms on product side are as follows.

Fe = 2Cl = 6Mg = 3O = 3

Since, this equation contains same number of atoms on both reactant and product side. Therefore, this equation is now balanced equation.

Thus, we can conclude that the balanced equation is [tex]2FeCl_{3} + 3MgO \rightarrow Fe_{2}O_{3} + 3MgCl_{2}[/tex].

Why is the temperature of products likely to be lower than the temperature of reactants in an endothermic reaction?​

Answers

Reactants + Energy → Products. Note: ΔH represents the change in energy. In endothermic reactions, the temperature of the products is typically lower than the temperature of the reactants. ... The energy needed for the reaction to take place comes from the water, which gets colder as the reaction proceeds.

Es un cambio natural o provocado, donde se produce energía para agua y dióxido de carbono: a)Precipitación. b)Fermentación c) Efervecencia. d) Combustión.

Answers

Answer:

d) Combustión.

Explanation:

¡Hola!

En este caso, dado que estamos enfocados en el concepto de cambio químico, el cual se caracteriza por exhibir un cambio en la composición e identidad de las sustancias iniciales (reactivos) a otras finales (productos).

Ahora bien, como se nos dice que los productos de este cambio químico son energía, agua y dióxido de carbono, inferimos que el nombre de este proceso es d) Combustión, por ejemplo la combustion del gas natural para calentar nuestras comidas en la cocina.

¡Saludos!

PLS HELP ON A TIMER!
if the pressure exerted by a sample of carbon dioxide at 25° C in a volume of 0.44L is 3.81 atm, what is the mass of the carbon dioxide?
A. .0685
B. 1.65
C. 3.02
D. 14.4

Answers

Answer:

3.02

Explanation:

What is the molarity of a solution prepared by dissolving 10.0 grams of NaOH in enough water to make a solution with a total volume of 2.40 liters?

O0.104 M NaOH
O0.201 M NaOH
O0.361 M NaOH
O0.412 M NaOH

Answers

Solution :

Molecular mass of NaOH is 23 g/mol .

So, number of moles of NaOH is given by :

[tex]n = \dfrac{10}{40}\ mole[/tex]

Now, we know molarity is given by :

[tex]Molarity = \dfrac{Number \ of \ moles\ of \ salute}{Volume ( in \ Liter ) }[/tex]

[tex]M = \dfrac{10}{40\times 2.4} \ M\\\\M = 0.104 \ M[/tex]

Hence, this is the required solution.

Answer: The answer is A O0.104 M NaOH

Explanation:

What can be concluded about the purpose many robots will have in the future

Answers

they can help humans out and program some stuff out
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