CHEMISTRY COLLEGE

38. Consider the following equilibrium:2CO(g) + O2(g) =2CO2
Keg=4.0 x 10-10
What is the value of Key for 2CO2(g) + 2COR + O2g) ?​

Answers

Answer 1
Answer:

Answer:

Key=2.5x10^(-9)

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to calculate the equilibrium constant value for the reverse reaction:

2CO_2(g) \rightleftharpoons 2CO(g) + O_2(g)

By knowing that the equilibrium expression is actually:

Key =([CO]^2[O_2])/([CO_2]^2) =(1)/(Keg)

Thus, we plug in and solve for the inverse of Keq to obtain Key as follows:

Key =(1)/(4.0x10^(-10))\n\nKey=2.5x10^(-9)

Regards!

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Using her new telescope Ashley discovers a spherical meteor passing between the earth and the moon and measures it’s radius as 3 kilometers how many cubic kilometers are in the meteor

Answers

Answer:

113 km³

Explanation:

Step 1: Given data

Radius of the meteor (r): 3 km

Step 2: Calculate the volume (V) of the meteor

The meteor is spherical. Given the radius (r), we can calculate the volume of a sphere using the following expression.

V = 4/3 × π × r³

V = 4/3 × π × (3 km)³

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Calculate the molar mass of the following:(a)the anesthetic halothane, C2HBrClF3
(b)the herbicide paraquat, C12H14N2CL2
(c)caffein, C8H10N4O2
(d)urea, CO(NH2)2
(e)a typical soap,C17H35CO2Na

Answers

Answer:

a)C2HBrClF3 = 197.35 g/mol

b)C12H14N2CL2 = 229.06g/mol

c)C8H10N4O2 = 194.22g/mol

d) CO(NH2)2=60.07 g/mol

e)C17H35CO2Na = 306.52 g/mol

Explanation:

Molar mass of a compound is equal to the sum of the atomic masses of the constituent elements.

a) C2HBrClF3

Molar\ mass = 2(At. mass C)+1(at.mass H) +1(At. mass Br) + 1(At.mass Cl) + 3(At.mass F)\n=2(12.01 g/mol) + 1(1.01g/mol)+1(79.90 g/mol) +1(35.45g/mol)+3(18.99g/mol)=197.35g/mol

b) C12H14N2CL2

Molar\  mass = 12(C) + 14(H) + 2(N) + 2(Cl)\n\n=12(12.01) + 14(1.01) + 2(14.01) + 2(35.45) = 229.06g/mol

c) C8H10N4O2

Molar\  mass = 8(C) + 10(H) + 4(N) + 2(O)\n\n=8(12.01) + 10(1.01) + 4(14.01) + 2(16.00) =194.22g/mol

d) CO(NH2)2

Molar\ mass = 1(C) + 1(O) + 2(N) + 4(H)\n\n=1(12.01) + 1(16.00) + 2(14.01)+4(1.01) =60.07 g/mol

e) C17H35CO2Na

Molar Mass = 18(C) + H(35) +2(O) + 1(Na)\n\n=18(12.01) + 35(1.01) + 2(16.00) + 1(22.99) =306.52 g/mol

Will MARK U AS BRAINLIEST IF U GIVE RIGHT ANSWER

Answers

Answer:

C

Explanation:

Need help asap please! This is for a very important test. Giving brainliest to best answerTwo different atoms have four protons each and the same mass. However, one has a negative charge while the other is neutral. Describe what each atomic structure could be, listing the possible number and location of all subatomic particles.

Answers

Answer:

The three subatomic particles are the particles contained in the iota. They are protons, neutrons, and electrons. Protons and electrons convey a positive and negative charge, individually, while neutrons don't convey any change

Explanation:

Coloumb's Law shows that opposite charges (positive and negative) attractwhereas charges that are both positive or both negative repel and a greater
distance decreases the force between objects. TRUE or FLASE​

Answers

Explanation:

TRUE

the answer is true. Trust me. Im an expert at this.

How many moles of sulfuric acid are there in 1.50L of a 6.0 M solution

Answers

Answer:

n= 9moles

Explanation:

n=?, C=6M, V= 1.5L

Applying

n= CV

n= 6×1.5= 9moles
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