Please answer part C (the answers for other parts are in the screenshots).

Part C: What is the activation energy of the reaction? Express your answer numerically in kilojoules per mole

Please Answer Part C (the Answers For Other Parts Are In The Screenshots).Part C: What Is The Activation
Please Answer Part C (the Answers For Other Parts Are In The Screenshots).Part C: What Is The Activation

Answers

Answer 1

The formula for the activation energy was used to obtain;

a. The result is -2.11 * 10^-4 K

b. The result is  -3.29

What is the activation energy?

The bare minimum of energy required to start a chemical reaction is referred to as activation energy. For a reaction to move from the reactants to the products, the energy barrier must be broken.

To break existing bonds and generate new ones, reactant molecules must collide with enough force and in the proper direction during a chemical reaction. The energy needed to dissolve these bonds and start the atoms moving around to generate the products is known as the activation energy.

We know that we can use the formula;

1/T2 - 1/T1

= 1/318 - 1/298

= -2.11 * 10^-4 K

Again;

ln(k1/k2) = ln(0.1/2.70)

= -3.29

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Related Questions

Many inland areas around Florida contain extinct marine fossils. Which of the following statements best describes how this might have occurred?

Answers

Answer:

D

Explanation:

strong winds carried marine organisms inland where they were buried and fossilized under layer of sediment

Answer:

Strong winds carried marine organisms inland where they were buried and fossilized under layers of sediment.

Explanation:

Danielle is designing a system to help race cars slow safely and rapidly at her local racetrack. The racetrack is a straight, 1,000-meter stretch of asphalt. Half of the track is devoted to races and the other half is designed to let cars decelerate after crossing the finish line.

Danielle has designed a pair of small parachutes that are automatically released out the back of a car once it crosses the finish line. When her system works properly, the race car driver does not need to apply the brakes to bring the car to a stop before running out of track.

When Danielle tests a prototype of her design, it brings a race car to a stop 275 meters behind the finish line. After taking some measurements, she decides that her design causes the driver to experience too much force. To correct this, she could
A.
make the parachutes larger in order to increase the drag forces on the car and bring it to a stop 200 meters after crossing the finish line.
B.
add a third parachute in order to increase the drag forces on the car and bring it to a stop 175 meters after crossing the finish line.
C.
make the parachutes smaller in order to decrease the drag forces on the car and bring it to a stop 400 meters after crossing the finish line.
D.
remove one of the parachutes in order to decrease the drag forces on the car and bring it to a stop 550 meters after crossing the finish line.

Answers

Answer:

The answer is C

Explanation:

She should make the parachutes smaller in order to decrease the drag forces on the car and bring it to a stop 400 meters after crossing the finish line.

How are scientists trying to use a plant catalyst to create solar fuels? Someone please answer?

Answers

Answer:

plants can be used as fuel because plants can be burned so they compose the plants to make a liquid

Why do particles with different masses have the same kinetic energy when at the same temperature?

Answers

Answer: Because Kinetic energy depends on temperature and not mass

Explanation:

Average kinetic energy is defined as the average of the kinetic energies of all the particles present in a system. It is determined by the equation:

[tex]K.E=\frac{3RT}{2}[/tex]

where K.E = Kinetic energy

R= gas constant

T= temperature in kelvin

It is visible that kinetic energy is dependent on the temperature of the system and not on the mass of the system. Thus particles with different masses have the same kinetic energy when at the same temperature

The PH of a solution of Hcl is 2.find out the amount of acid present in a litre of the solution ​

Answers

Answer:

The solution is 10^-2 or 0.01M in HCl.

Explanation:

meaning of pH is "power of hydrogen".

what is the molar concentration of a HCl solution with pH=2?

Let say pH=2

[H+]=10^-2M

HCL is a strong acid that dissociates completely:

[H+]=[HCL]

Therefore solution is 10^-2 or 0.01M in HCL.

List out fifteen ways of how you use water in your everyday life

Answers

Answer:

Drinking water

Showering

Brushing your teeth

Cooking

Doing Laundry

Washing your hands

Watering Plants

Cleaning dishes

Recreation; such as swimming pools

Used to grow food

Explanation:

To date, scientific tests of astrology have never found that its predictive methods work.


True
False

Answers

true______________________

What are some positive and negative things about living near a volcano?

Answers

Pros and cons If a volcano erupts, homes can be destroyed, and thousands could be left homeless, or could be killed.
If a volcano erupts a lot of wildlife could be killed, and many species can go extinct because of the eruptions.
If lava is flowing onto a road, people cannot out run it.
People can suffocate on ash

At STP, in the equation C(g) + O2(g) --> CO2(g), one liter of O2 yields how many liters of CO2?

Answers

Answer:

3 I think but ask someone else too

What kind of questions do scientists ask?

A. Ones that there are no right answers to
B. Ones that only deal with scientific issues
C. Ones that deal with matters of opinion
D. Ones that are answered through observing​

Answers

ones that are answered through observing :)

Answer: D.

Explanation:

ones that are answered through observing.

The sum of all the potential energy and kinetic energy is an object is equal to its______

due today pls help! :(

Answers

Answer:

total mechanical energy

What type of element has 8 electrons in their outer most level?
non-metals
metals
noble gases
alkali metals

Answers

Answer:

Noble gases

Explanation:

Neon and argon have 8 electrons in their outermost shells. The elements which have 8 electrons in the outermost shell or in the valence shell,are known as the noble gases.

It's the third one or Noble gases.

Determine whether each practice is recommended to keep a micropipette clean and functioning properly.
1. Use a new tip any time you change solutions.
A. Recommended.
B. Not recommended.
2. Turn the micropipette upside down after loading with liquid.
A. Recommended.
B. Not recommended.
3. Save tips after removal to reuse them later.
A. Recommended.
B. Not recommended.
4. Place the micropipette on a rack after using it.
A. Recommended.
B. Not recommended.
5. Place the micropipette on the bench between uses.
A. Recommended.
B. Not recommended.

Answers

Answer:

1. A

2. B

3. B

4. A

5. B

Explanation:

1. Recommended. That way cross-contamination is prevented.

2. Not recommended. The inner mechanism of the micropipette should not come in contact with any liquid whatsoever.

3. Not recommended. It contradicts statement 1.

4. Recommended. That way the micropipette remains completely vertical, minimizing the risks of being decalibrated.

5. Not recommended. If it lays on the bench it will be horizontal, thus contradicting statement 4.

Answer:

1. A

2. B

3. B

4. A

5. B

Explanation:

The spot on the fault where the pressure first releases is called the

Answers

Answer:

This movement releases energy and generates seismic waves that can be recorded by specialized instruments used by scientists. The point on a fault at which the first movement or break occurs during an earthquake is called the earthquake's hypocenter

Explanation:

what is valence electron configuration for group 4A (14)

Answers

Answer:

The group 14 elements all have ns2np2 valence electron configurations. All form compounds in which they formally lose either the two np and the two ns valence electrons or just the two np valence electrons, giving a +4 or +2 oxidation state, respectively

Explanation:

Answer:

The group 14 elements all have ns2np2 valence electron configurations. All form compounds in which they formally lose either the two np and the two ns valence electrons or just the two np valence electrons, giving a +4 or +2 oxidation state, respectively.

Explanation:

A heterogeneous ore mixture contains 35.0 % In2O3 by mass. How many tons of the ore must be mined to provide 325.0 kg of indium metal? (2000 lb = 1 ton, assume exact)

Answers

Answer:

1.2375 ton of ore

Explanation:

Mass of indium = 325

Formula = In2O3

Molar mass = 277.64 g/mol

Molar mass of indium = (2*114.8)g

229.6 indium is in 277.64 of In2O3

Mass of In2O3 required = 277.64/229.6 x 325

= 392.94kg

35 % In2O3 in ore

For 35 kg = 100 kg required

For 392.94,

100/35 x 392.94

= 1122.686 kg

1122.68 x 2.2

= 2469.9 pounds

2469.9/200

= 1.235 tons of ore

What’s this answer help me out

Answers

Sorry my guy no idea try googling

which acide will have more strength
out of two acids of pH
value 2
and 5 why

Answers

Ph 2 will ahve more strength due to the fact that its more acidic compared to pH 5.

the lower the number of a pH, the more it is heading towards being acidic, but the higher the number, the more it heads towards being an alkali. here is a ppt i made along time ago. hope it can help you . have a nice day

A certain rock has a mixture of several different elements. It contains 33g of zinc, 22g of
iron and 16g of oxygen. What percentage of the rock, by mass, is zinc?

Answers

Zinc is available in capsules, tablets, creams, ointments, and a liquid form. Adults aged 19 years and over who are interested in using zinc supplements should be careful to consume no more than 40 mg per day. Too much zinc can cause health problems.

Answer:

46.5%

Explanation:

mass of rock = 33g + 22g + 16g = 71g

% mass of zinc = (33/71) * 100%

= 0.465 * 100%

= 46.5%

Determine if the bond between atoms in each example below is nonpolar covalent, polar covalent, or ionic a. H-H b. P-Cl c. F-F d. Na-Br e. N-F f. Mg-O g. C-H h. H-Cl

Answers

Answer:

a nonpolar covalent

b polar

c nonpolar

d ionic

e. polar

f. ionic

g polar

h polar

Explanation:

plzzzzzzz help asap its just one question plzzzzz its in the file <3

Answers

Answer:

There are 6 atoms of oxygen in 2Ca(NO3)2

Which of the following is not something that should be considered when creating a debt payment plan?
a. In general, the larger the debt, the longer you should plan to take to pay it off.
b. Higher interest rates create more cost than lower interest rates on a similar debt.
C. Making a payment larger than required or expected will help pay off the debt sooner.
d. The longer you take to pay off your debt, the more you will be paying in interest and other
fees

Answers

Answer:

a. In general, the larger the debt, the longer you should plan to take to pay it off.

When paying off debt consider the interest rates. C., and D. are just facts.

In general, the larger the debt, the longer you should plan to take to pay it off. The correct option is a.

What is debt payment plan?

A debt payment plan is a way to pay off debts gradually. It usually entails consistent payments toward the balance due on each loan.

The total amount of debt, interest rates, minimum payments, and the time frame for repayment should all be taken into account while making a debt payment plan.

You can lower the amount of interest you pay over time by making a payment that is greater than what is required or anticipated in order to assist you pay off the debt sooner.

The longer it takes you to pay off your debt, the more vital it is to bear in mind.

In general, when making a debt payment plan, you shouldn't take into account the fact that the debt will take longer to pay off the larger it is.

Thus, the correct option is a.

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of nitrogen gas)?
How many grams of H2 are needed to produce 71.1 g of ammonia (NH3) (assuming unlimited availability
3 H2+ N2 + 2NH3
Provide the answer with 3 or more significant figures.

Answers

Answer:

[tex]m_{H_2}=12.6gH_2[/tex]

Explanation:

Hello there!

In this case, given the reaction:

[tex]3 H_2+ N_2 \rightarrow 2NH_3[/tex]

It is possible to compute the necessary grams of hydrogen which produce 71.1 g of ammonia, given the 3:2 mole ratio and their molar mass as shown below:

[tex]m_{H_2}=71.1gNH_3*\frac{1molNH_3}{17.04gNH_3}*\frac{3molH_2}{2molNH_3} *\frac{2.02gH_2}{1molH_2}\\\\m_{H_2}=12.6gH_2[/tex]

Best regards!

i have to match the word lithosphere to life, sky/air, land and water which one?

Answers

Answer:

The answer is air

Explanation:

This is from the web:

"The lithosphere is located below the atmosphere, which is the air that surrounds the planet, and above the asthenosphere."

Hope this helps and answers your question! Have a great day/night!

How did the Hale-Bopp comet get its name?
O The name refers to the comet's shape.
O It was named after the first people to see it.
O A committee of astronomers named it after ancient astronomers.
O The name was at the top of the IAU's comet-naming list

Answers

Answer:

it was named after the first people to see it

Explanation: I took the quiz

Hale - Bopp comet get its name after first people to see it.

What is Hale - Bopp comet?

Comet is a small body of a solar system, which release gases due to getting hot when passes closer from the sun. It looks like icy illusion structure. Comet - hunter Alan Hale and Thomas Bopp first time spotted a faint comet between Jupiter and Saturn. So, the Hale - Bopp comet get its name after its co - discovers.

Hence, option second is correct i.e. it was named after the first people to see it.

To know more about Hale - Bopp comet, visit the below link:

https://brainly.com/question/22791791

What does cellular respiration do?
Break down sugar and release energy for an
organism to use
Create sugar filled with energy
Deter predators
Form glucose from hydrogen, oxygen, and carbon
:D
help asap

Answers

I believe the answer is A the 1st one

A student dissolves 14.8 g of ammonium nitrate (NH4NO2) in 300. g of water in a well-insulated open cup. He then observes the temperature of the water fall from 20.0°C to 15.0°C over the course of 4.3 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction:

NH4NO3(s) → NH4+(aq) + NO3^- (aq)

Required:
a. Is this reaction exothermic, endothermic, or neither?
b. If you said the reaction was exothermic or endothermic, calculate the amount of heat that was released or absorbed by the reaction in this case.

Answers

Answer:

a. Endothermic

b. 6586J are absorbed.

Explanation:

a. When the reaction occurs, the temperature is decreasing from 20.0°C to 15.0°C, that means the reaction is absorbing heat and is endothermic.

b. To find the heat absorbed we must use:

Q = -m*ΔT*C

Where Q is change in heat,

m is the mass of solution (300g + 14.8g = 314.8g)

ΔT is change in temperature (15.0°C - 20.0° = -5.0°C)

And C is specific heat of the solution (4.184J/g°C assuming is the same heat than the heat of pure water).

Replacing:

Q = -314.8g*-5.0°C*4.184J/g°C

Q =

6586J are absorbed

I need help ASAP pls

Answers

Answer:

A  should be the swer n

Explanation:

which of these would best describe the outcome of increasing the kinetic energy of molecules in the picture above?

Answers

Can you show a picture please?

balance kclo3-kcl+02​

Answers

What are you trying to find?
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