A gas has a volume of 100 mL at a temperature of 25oC and 760 mmHg. What is the pressure, in mm Hg when the volume is changed to 57 mL and a temperature of 75oC?
3.A sample of a pure gas at 20 °C and 670 mm Hg occupies a volume of 562 cm3. How many moles of gas are in this sample? 4.An unknown compound contains only carbon and hydrogen. What is the volume (in L) of 1 mol of this gas at 100 °C and 760 mm Hg? 5.The same 1 mol sample of gas from the previous problem has a vapor density of 2.550 g/L. If the empirical formula of the compound...
A sample of CH4 gas has a volume of 367 mL, has a pressure of 704 mm Hg, and is at a temperature of 7.50 °C. Calculate the amount (in moles) of CH4 in the gas sample. ____mol
How many moles of oxygen will occupy 728 ml at 760 mm of Hg and 25 degree C? please keep 3 significant figures in your answer
At 571 mm Hg and 323 K, a gas sample has a volume of 2.45 mL. What is the final pressure (in mm Hg) at a volume of 1.37 mL and temperature of 410 K? (Report your answer to the nearest 1 mm Hg)
A sample of Ne gas has a volume of 378 mL, has a pressure of 558 mm Hg, and is at a temperature of 29.7 °C. Calculate the amount (in moles) of Ne in the gas sample. mol
Part A Calculate the volume of the gas, in liters, if 1.60 mol has a pressure of 1.20 atm at a temperature of -5 ∘C. Express the volume in liters to three significant digits. V V = nothing L SubmitRequest Answer Part B Calculate the absolute temperature of the gas at which 3.53×10−3 mol occupies 478 mL at 760 torr . Express the temperature in kelvins to three significant digits. T T = nothing K SubmitRequest Answer Part C Calculate...
At 570. mm Hg and 25 °C, a gas sample has a volume of 2270 mL. What is the final pressure (in mmHg) at a volume of 125 mL and a temperature of 17.5 °C?
2560 mL of a gas is collected at 2.5 mm Hg. What will the volume be at standard pressure? Standard pressure is 760 mm Hg.
1.)A sample of hydrogen (H2) gas is collected over water at 35oC and 725 mm. The volume of the gas collected is 72.0 ml. How many moles of H2 gas has been collected? How many grams of H2 gas has been collected? 2.)A sample of carbon dioxide (CO2) gas is collected over water at 23oC and 735 mm. The volume of the gas collected is 113.0 ml. How many moles of CO2 gas has been collected? How many grams of...