Titanium(IV) chloride decomposes to form titanium and chlorine, like this:_____.
TiCl4(1)-→Ti(s) + 2 Cl 2(g)
At a certain temperature, a chemist finds that a reaction vessel containing a mixture of titanium(IV) chloride, titanium, and chlorine at equilibrium has the following composition:_____.
compound amount
TiCl4 4.18g
Ti 1.32g
Cl2 1.08g
Calculate the value of the equilibrium constant for this reaction. Round your answer to significant digits. Clears your work. Undoes your last action. Provides information about entering answers.

Answers

Answer 1

Answer:

K = 8.6x10⁻⁶

Explanation:

a chemist finds that a 5.2L reaction vessel...

To solve this question we need first to find the equation of the equilibrium constant using the chemical eqiation:

TiCl₄(l) ⇄ Ti(s) + 2Cl₂(g)

The equilibrium constant expression is:

K = [Cl₂]²

Because equilibrium constant is defined as the ratio berween concentrationa of products over reactant powered to its reaction coefficient. But pure liquids as TiCl₄(l) and pure solids as Ti(s) are not taken into account

Now, we need to find the molar concentration of Cl₂, [Cl₂]:

Moles Cl₂ -Molar mass: 70.9g/mol-:

1.08g * (1mol / 70.9g) = 0.0152 moles / 5.2L =

2.93x10⁻³M = [Cl₂]

K = (2.93x10⁻³)²

K = 8.6x10⁻⁶

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Kinetic energy

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Thermal energy

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Potential energy or Kinetic energy

Pb(NO3)+MgI2=Mg(NO3)+PbI2 what type of reaction?

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Pb(NO3) + MgI2 = Mg(NO3) + PbI2 is an example of a double-replacement reaction.

hi, if your looking for extra points (50+) and br ainiest here is ur chance, answer this question correctly plz

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Answer:

Evaporation and condensation

Explanation:

Calculate the molecular mass for the following: SnO2

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Answer:

[tex]MM=150.71g/mol[/tex]

Explanation:

Hello there!

In this case, since the molar masses of chemical compounds allow us to understand the mass they have per mole of substance, for tin oxide, we can see it has one tin atom and two oxygen atoms; thus, for the calculation of this molar mass we multiply the atomic masses by the number of atoms and them add the results up:

[tex]MM=m_{Sn}+2m_O\\\\MM=118.71g/mol+2*16.00g/mol\\\\MM=150.71g/mol[/tex]

Best regards!

HELPPP PLZZ

During lunch each day, Alex and Hailey have been noticing the trashcans around the lunchroom are filling rather quickly with cans and bottles. They decide a recycling program would be beneficial for their school and the environment, so they brainstorm ways to get the program started. Before discussing their idea with the principal, they need to decide which of their plans would best solve the problem. Which of their ideas would best solve the problem with the least amount of inconvenience (disturbance) for everyone involved? A) Ask volunteers to separate recyclable materials from the trash. B) Remove all vending machines that sell plastic bottles or aluminum cans. C) Get a petition started to build a recycling center close to the school. D) Place plastic and metal recycling bins next to each lunchroom trash can

Answers

Answer:

c

Explanation:

i think it is C but idek but to me it sounds like the best answers but tell me if im wrong pls give me feedback

The ideas that would best solve the problem with the least amount of inconvenience is to place plastic and metal recycling bins next to each lunchroom trash can.

What is recycling?

The term recycling has to do with the reuse of a material after it has passed through certain processes. The idea of recycling is highly beneficial to the environment.

Thus, the ideas that would best solve the problem with the least amount of inconvenience (disturbance) for everyone involved is to place plastic and metal recycling bins next to each lunchroom trash can.

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#SPJ2

Assume the copper was not thoroughly dried. How will the following calculations be affected?

The calculated mass of copper will be too low or too high?
The calculated moles of copper will be too low or too high?
The calculated mass of chlorine will be too low or too high?
The calculated moles of chlorine will be too low or too high?

Answers

The answer should be A, I could be wrong though. Water seeps into any open crack or pore, making something denser, therefore could cause more (or less) mass.

Think about a hot summer afternoon at the beach
or a lake. How do the temperatures of the sand
and water compare?
A. The sand is hot; the water is cool.
B. The sand is hot; the water is hot.
C. The sand is cool; the water is cool.
D. The sand is cool; the water is hot.

Answers

A. Would be the correct answer :-)

Answer:

D

Explanation:

I say this because of this that I read. There was a study shown

"Our experiment was a success. We obtained data that answered our problem, “Which substance absorbs the most heat on a hot day? Sand, water, or sand with water?” The results showed that from the twenty-five trials: the cup of sand temperature ranged from 63-68°C, cup of water temperature ranged from 71-77°C, and the cup of sand with water temperature ranged from 66-71°C. Based on our data, our hypothesis was incorrect. We hypothesized that the sand would absorb the most heat since it is darker and less reflective than water; but from our data, water absorbed the most heat. In conclusion, sand absorbed the least amount of heat and water absorbed the most. Next time we want to cool down at the beach, we’ll know where to go!"

This was an experiment that was performed and this is the conclusion

Hope that helps

If I began this reaction with 1.7g of O2 , how much water would I make

Answers

what’s up my john and i’m here to help you the answer is 0.87

How many formula units make up 10.2 g of magnesium chloride (MgCl2)?

Answers

Answer:

6.46×10²² formula units

Explanation:

From the question given above, the following data were obtained:

Mass of MgCl₂ = 10.2 g

Number of formula units =?

From Avogadro's hypothesis,

1 mole of MgCl₂ = 6.02×10²³ formula units

But,

1 mole of MgCl₂ = 24 + (35.5×2) = 24 + 71 = 95 g

Thus, we can say:

95 g of MgCl₂ = 6.02×10²³ formula units

Finally, we shall determine the formula units in 10.2 g MgCl₂. This can be obtained as follow:

95 g of MgCl₂ = 6.02×10²³ formula units

Therefore,

10.2 g of MgCl₂ = (10.2 × 6.02×10²³) / 95

10.2 g of MgCl₂ = 6.46×10²² formula units

Thus, 10.2 g of MgCl₂ contains 6.46×10²² formula units

PLEASE HELP ME!!! i have no idea how to answer these!

Answers

Answer: Im answering this for points

DONT COME ON MY STUFF SAYING THAT I GOT SCHOOL TO DO JUST LIKE YOU AND YOUR GIVING ME IRRELEVANT ANWSERS JUST TO GET POINTS? THATS A WASTE OF MY TIME

Explanation:

An example of a suspension is:
A. blood
B. gelatin
C. muddy water
D. milk

Answers

ANSWER:A.blood

WHY: because it make the most sense and it seem right


Can I get brainly

Who tryna do these 3 assignments on wizer for me

Answers

Can you be more specific please

PLEASE HELP!!!
a person measures the mass of a 10cm3 rock to be 15g. what is the density of the rock

Answers

Answer:

[tex]d=1.5\ g/cm^3[/tex]

Explanation:

Given that,

The mass of the rock, m = 15 g

The volume of the rock, V = 10 cm³

We need to find the density of the rock. The density of an object is equal to the mass per unit volume such that,

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What information does the percent composition of an atom in a molecule
give?

Answers

Answer:

percent composition tells that by mass

Please someone help me with this!!

Answers

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Which pieces of information do you need to locate a particular star on a star

Answers

Answer:

You need a telescope and a pear of eyes

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Ok so this is my opinion you will need a telescope and you will also need it to be night and need eyes of course!

Calculate the percent composition (out of 100) by weight of potassium in potassium carbonate decahydrate.

Answers

Answer:

12.26%

Explanation:

MM K = 39.1 g/mol

MM K2CO3 . 10H2O = 2x39.1 + 12.01 + 3 x 15.99 + 10 x 18.02= 318.38 g/mol

% by weight = (MM K/MM K2CO3.10H2O ) x 100= (39.1/318.8)  x 100=12.26 %

The percent composition by weight of potassium in potassium carbonate decahydrate is 13.98%

Let's represent the chemical formula of the compound as follows;

potassium carbonate decahydrate = CH₂0KO₁₃

The molecular mass of the compound can be calculated as follows:

Molecular mass of  CH₂₀KO₁₃molecular mass = 12 + 20 + 39 + (16×13) = 279 g/mol

mass of potassium = 39 g

Therefore,

% mass of potassium = 39 / 279 × 100

% mass of potassium = 3900 / 279

% mass of potassium = 13.9784946237

% mass of potassium = 13.98 %

learn more on percentage composition here: https://brainly.com/question/3905173

Which unit is NOT correctly paired?
O Liters : Volume
O Formula Mass : Count
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Answers

Answer:

Molecules : Mass

Explanation:

The first three answer choices correctly pair a unit with what it measures. Molecules are not used to measure mass; grams are.


How many moles are 9.9 * 1024 molecules of methane?

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There would be 0.79 moles

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Answer:

an imbalance of positive and negative charges

Explanation:

Answer:

hope it help s answer circle 3

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Answer:

Fossils?

Explanation:

Name the functional group in the
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HSCH2CH3
A. alkane
B. amide
C. thiol
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Answers

Answer:

C. thiol

Explanation:

Answer:

it's C thiol I just took the test

hope this helps

have a good day :)

Explanation:


Which units can be used to measure length or distance? Check all that apply.
gram
meter
kilometer
liter
inch

Answers

Answer:

Meter, kilometer & inch - used to measure length or distance.

Help pleaseee!!!Please explain how evaporation condensation and precipitation are involved in the water cycle

Answers

Answer: The water cycle shows the continuous movement of water within the Earth and atmosphere. ... Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow. Water in different phases moves through the atmosphere (transportation).

Explanation:

Answer:

water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow.

Explanation:

evaporation, condensation, precipitation, and collection. condensation: this is when water vapor in the air cools down and turns back into liquid water. precipitation: this is when water (in the form of rain, snow, hail, or sleet) falls from clouds in the sky.

good luck :)

hopefully, this helps

have a great day !!

12
"C
What is the number of protons in this carbon atom?
ÖA 12
OB. 6
Ос.
18
OD. 24
what is the answer

Answers

Answer:

B

Explanation:

the number of protons never changes even if the atomic mass changes

Select the correct answer.
Which of these is always equal to the molar mass of any element?
OA
its atomic number
B.
its atomic weight
OC.
its atomic formula
OD.
its atomic structure

Answers

Answer:

a t o m i c w e i h g t

B

Explanation:

a to m i c w e i g h t

Unknown compound Q is spotted on a TLC plate that is then developed in dichloromethane. The solvent front is measured at 5.2 cm and the distance traveled by compound Q is measured at 3.4 cm. A sample of aspirin is spotted on a TLC plate that is then developed in dichloromethane. The solvent front is measured at 4.15 cm and the distance traveled by aspirin is measured at 2.70 cm. What can be determined about the identity of compound Q in light of this data

Answers

Answer:

Follows are the solution to the given question:

Explanation:

The Rf value on the Q is =0.65

The Rf value in the acetaminophen is =0.651

In this question, its identity the Q is probably in the acetaminophen since the value which is used to calculates, and however almost the same, and it is used to ensure the other document which is the substances, that are evaluated.

Instruction
Active
TRY IT Writing Measurements in Scientific Notation
Choose the scientific notation that best represents the standard notation given.
6,840,000,000 m
68.4 x 108 m
6.84 x 108 m
6.84 x 10-9 m
6.84 x 109 m
0.000000000143 g
-1.43 x 1010 g
1.43 x 10-10 g
14.3 x 1010 g
14.3 x 10-10 g
COMPLETE
DONE

Answers

No se pero quiero puntos porque estoy en examen, perdonnn =(

Answer:

D & B

Explanation:

just did it

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