(answer whatever you know)
4.the volume of a gas collected when the temperature is 8ºc and the pressure is 710.5 mm hg measures 14.3 ml. what is the calculated volume of the gas at 19.8ºc and 735.1 mm hg?
a.14.4 ml
b.34.2 ml
c.0.0292 ml
d.0.0694 ml

5.calculate the approximate temperature of a 0.56 mol sample of gas at 745 mm hg and a volume of 10 l.
a.–59.8ºc
b.213ºc
c.0.00469ºc
d.162000ºc

6.the volume of a gas is 5.55. l when the temperature is 1 ºc. if the temperature is increased to 11 ºc without changing the pressure, what is the new volume?
a.0.187. ml
b.5.75. ml
c.5.35. ml
d.0.174. ml

7.a pressure of 725 mm hg equals
a.5439 torr.
b.0.009417 kpa.
c.96.63 kpa.
d.1.048 torr.

8.the principle that under similar pressures and temperatures, equal volumes of gases contain the same number of molecules is attributed to
a. avogadro.
b. graham.
c. dalton.
d. boyle.

9.if the temperature of a fixed quantity of gas decreases and the pressure remains unchanged,
a. its volume increases.
c. its density decreases.
b. its volume is unchanged.
d. its volume decreases.

10.convert the pressure 2.99 atm to mm hg.
a.0.3985 hg
b.22.43 mm hg
c.0.003934 mm hg
d.2272 mm hg

11.calculate the approximate volume of a 0.605 mol sample of gas at 14°c and a pressure of 1.11 atm.
a.1.60 l
b.12.8 l
c.0.626 l
d.0.0779 l

12.the volume of a sample of oxygen is 275 ml when the pressure is 1.09 atm and the temperature is 26.9ºc. at what temperature is the volume 0.95 l and the pressure 0.505 atm?
a.480 k
b.43.1 k
c.0.0232 k
d.0.00208 k

13.standard pressure is exactly
a.760 atm.
b.1 atm.
c.101 atm.
d.101.325 atm.