Lectures: Test 2

Question 1

What does Boyle’s Law say?

Answer 1

V =1/P

Question 2

What is Charles’s law?

Answer 2

V = T

Question 3

What is Avogadro’s law?

Answer 3

V = n

Question 4

What is Dalton’s law of partial pressures?

Answer 4

P total = sum of P_i

Question 5

What is the mole fraction of a gas?

Answer 5

X_n = X_n/(sum of X_i)

Question 6

What is a manometer?

Answer 6

Device used to measure difference in pressures between two gases with displacement of liquid Hg (mmHg or torr).

Question 7

What’s a metathesis reaction?

Answer 7

Ions exchange pairs

Question 8

What’s a hydronium ion?

Answer 8

H3O+

Question 9

What is a titration problem?

Answer 9

The known concentration of one solution is used to determine the unknown concentration of another

Question 10

What is the equivalence point for titration reactions?

Answer 10

When the amount of H+ ions in the original volume of acid has reacted with the same amount of OH- ions from the buret

Question 11

What is the end point for titration reactions?

Answer 11

When a tiny excess of OH- ions changes the indicator permanently to its basic color