Question

(a) What should be added to x3 +3x2y + 3xy2 +y3

to get x3 +y3?

(b) What should be added to 3pq+5p2q2 +p3 to get p3 +2p2q2 +4pq ?

Question 2

(a) What should be subtracted from 2x3

-3x2y+2xyz +3y3

to get x3

-2x2y+3xy2 +4y3?

(b) What should be subtracted from -7mn+2m2 +3n2

to get m2 +2mn+n2?

Question 3

How much is 21a3

-17a2

less than 89a3

-64a2+6a+16 ?

Question 4

How much is y4

-12y2 +y+14 greater than 17y3+34y2

-51y+68?

Question 5

How much does 93p2

-55p+4 exceed 13p3

-5p2 + 17p-90?

Question 6

To what expression must 99x3

-33x2

-13x-41 be added to make the sum z​

Answer 1

Answer:

A solution of acetic acid (CH3COOH), methanol (CH3OH), and water is prepared such that the mole fraction of acetic acid is 0.01335, and the mole fraction of methanol is 0.03288. The density of the solution is measured to be 0.9889 g/mL. What is the molarity (in M) of acetic acid in this solutionA solution of acetic acid (CH3COOH), methanol (CH3OH), and water is prepared such that the mole fraction of acetic acid is 0.01335, and the mole fraction of methanol is 0.03288. The density of the solution is measured to be 0.9889 g/mL. What is the molarity (in M) of acetic acid in this solutionA solution of acetic acid (CH3COOH), methanol (CH3OH), and water is prepared such that the mole fraction of acetic acid is 0.01335, and the mole fraction of methanol is 0.03288. The density of the solution is measured to be 0.9889 g/mL. What is the molarity (in M) of acetic acid in this solutionA solution of acetic acid (CH3COOH), methanol (CH3OH), and water is prepared such that the mole fraction of acetic acid is 0.01335, and the mole fraction of methanol is 0.03288. The density of the solution is measured to be 0.9889 g/mL. What is the molarity (in M) of acetic acid in this solutionA solution of acetic acid (CH3COOH), methanol (CH3OH), and water is prepared such that the mole fraction of acetic acid is 0.01335, and the mole fraction of methanol is 0.03288. The density of the solution is measured to be 0.9889 g/mL. What is the molarity (in M) of acetic acid in this solutionA solution of acetic acid (CH3COOH), methanol (CH3OH), and water is prepared such that the mole fraction of acetic acid is 0.01335, and the mole fraction of methanol is 0.03288. The density of the solution is measured to be 0.9889 g/mL. What is the molarity (in M) of acetic acid in this solution