II) A gas occupies a volume of 410 mL at 27.0°C and 740 mm Hg. Calculate...
At 34.75 °C and 2148 mm Hg, a gas occupies a volume of 17.53 L. What volume would it occupy at STP? Assume ideal gas behavior.
A sample of gas occupies 135 ml at 22.5⠁C and 165 mm Hg pressure. What volume will the gas occupy if the pressure is increased to 1.00 atm and the temperature is increased to 100.0⠁C?
POST-LABORATORY QUESTIONS (Show your calculations). 1. A sample of gas weighs 3.10 g and occupies a volume of 1.272 ml at 30 °C and 720 mm Hg. What is the molar mass of the gas? 2.3 moles of hydrogen occupy a volume of 67.20 L, at standard temperature and pressure (STP. 0 °C and 760 mmHg). What is the density of hydrogen at STP? 3.2.5 moles of gas, at 1590 mmHg, occupy a volume of 28.00 L. What is the...
the 5. If 0.60 g of a gas occupies 300 mL at 27 C and 630 mm Hg of pressure, what is the molar mass of the gas? A sample of nitrogen occupies a volume of 250 mL at 27 C and 630 mm Hg pressure. What will be its volume at STP? 6.
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...
question 5.77 5.77 A sample of argon (Ar) gas occupies 65.0 mL at 22'C 750 torr. What is the volume of this Ar and gas sample at STP 5.78 A sample of 02 gas occupies 257 mL at 20°C and 1.20 atm of this O at STP? 570 Calculate the pressure, in atmosphere, of 7.0mof a monoxide stored in a 30.0-1..container at 65 5.71 Calculate the volume of 44.0 g of cartbo on at STP Calculate the volume of 44.0...
Name Section 6. A sample of gas occupies 500 mL at STP. What volume will the gas occupy at 85.00 and 525 torr 7. A gas canister can tolerate internal pressures up to 210 atmospheres. If a 2.0L canister holding 3.5 moles of gas is heated to 1350°C, will the canister explode? 8. Calculate the density of 0.625 g of carbon dioxide at 26.32C and 1.03 atm. 9. Calculate the number of grams of hydrogen sulfide gas, HS, in a...
16. A gas occupies a volume of 2L. at 22°C and 780mm Hg. What volume does it occupy at 100°C and 760mm Hg?
5. If a sample of gas occupies 6.80 L at 325°C, what will its volume be at 25°C? 6. A gas at 155 kPa and 25°C has an initial volume of 1.00 L. What will the volume be at STP? 7. A sample of neon has a volume of 345 mL at 25°C and 90 kPa. Calculate moles. 8. What volume is occupied by 0.250 g CO, at 25°C and 80.5 kPa? 9. At 46°C and 89 kPa pressure, a...
Classwork: Ch. Gases Name 1. A sample of chlorine gas occupies a volume of 946 mL at a pressure of 726 mmg What is the pressure of the gas (in mmHg) if the volume is reduced at constant temperature to 154 ml? 2. A sample of carbon monoxide gas occupies 3.20 L at 125°C. At what temperature will the gas occupy a volume of 154 Lif the pressure remains constant? 3. What is the volume (in liters) occupied by 49.8...