> Chemistry Help Please.?

Chemistry Help Please.?

Posted at: 2014-06-09 
1) A sample of nitrogen gas is collected over water at a temperature of 23?C. What is the pressure of the nitrogen gas if the atmospheric pressure is 786 mm Hg? Answer in units of mmHg 2) A student has stored 100.0mL of neon gas over water on a day when the temperature is 27?C. If the barometer in the room reads 754.9 mm Hg, what is the pressure of the neon gas in its container? Answer in units of mm Hg 3) A sample of oxygen is collected in a 276 mL container over water at 15?C, and the barometer reads 738 torr. What volume would the dry gas occupy at 735 torr and 15?C? Water