1.A sample of gas has a mass of 38.6 mg. Its volume is 228 mL at a temperature of 54 ∘C∘C and a pressure of 842 torr. Find the molar mass of the gas. Express your answer in grams per mole to three significant figures.
2.What is the pressure in a 12.0-LL cylinder filled with 39.5 g of oxygen gas at a temperature of 328 K? Express your answer to three significant figures with the appropriate units.
1.Carbon monoxide gas reacts with hydrogen gas to form methanol via the following reaction: CO(g)+2H2(g)→CH3OH(g)CO(g)+2H2(g)→CH3OH(g) A 1.65 LL reaction vessel, initially at 305 KK, contains carbon monoxide gas at a partial pressure of 232 mmHg and hydrogen gas at a partial pressure of 395 mmHg. Identify the limiting reactant and determine the theoretical yield of methanol in grams. Express your answer with the appropriate units. 2. What is the pressure in a 12.0-LL cylinder filled with 39.5 g of oxygen...
A sample of gas has a mass of 38.6 mg. Its volume is 228 mL at a temperature of 56 ∘C and a pressure of 827 torr. Find the molar mass of the gas.
a sample of gas has a mass of 38.9 mg. its volume is 228 mL at a temperature of 57 degrees C and a pressure of 901 torr. Find the molar mass of the gas.
and Hints ( 23 of 46 Review | Constants 1 Periodic Table Part A A sample of gas has a mass of 38.9 mg. Its volume is 224 mL at a temperature of 57°C and a pressure of 917 torr. Find the molar mass of the gas. Express your answer in grams per mole to three significant figures. View Available Hint(s) VAQ O O ? g/mol
A sample of gas has a mass of 0.560 g. Its volume is 119 mL at a temperature of 86 °C and a pressure of 757 Torr. Part A Find the molar mass of the gas. 0 AEO ? & mol-1 Submit Request Answer
part a A 12.0 L gas cylinder is filled with 7.80 moles of gas. The tank is stored at 51 ∘C . What is the pressure in the tank? Express your answer to three significant figures and include the appropriate units. part b A 300. L kiln is used for vitrifying ceramics. It is currently operating at 1195 ∘C , and the pressure is 0.9000 atm . How many moles of air molecules are within the confines of the kiln?...
A sample of gas has a mass of 0.545 g . Its volume is 117 mL at a temperature of 84 ∘C and a pressure of 760 Torr . Find the molar mass of the gas.
A sample of gas has a mass of 0.565 g . Its volume is 115 mL at a temperature of 85 ∘C and a pressure of 760 Torr . Part A Find the molar mass of the gas.
1. Consider 4.60 L of a gas at 365 mmHg and 20. ∘C . If the container is compressed to 3.00 Land the temperature is increased to 38 ∘C , what is the new pressure, P2, inside the container? Assume no change in the amount of gas inside the cylinder. Express your answer with the appropriate units. 2. Imagine that the gas shown in the simulation is an ideal gas such as helium. Notice that the final number of moles...
2. A sample of gas has a mass of 0.0388g; Its volume is 224 mL at a temperature of 55 C and a pressure of 886 torr. Find the molar mass of the gas. Given: R-0.0821 L.atm.mol" .K (2pt)