What is the number of moles in 500 L of He gas at STP? a) 0.05 mol b) 0.2 mol c) 22 mol d) 90 mol Helium: Helium (He) is the smallest noble gas and has an atomic number of 2. Since it is less dense than air, its low density makes it us...
The volume occupied by all the gases at STP is equal and this volume is 22.4 liters for every one mole of the gas. STP refers to standard temperature and pressure which are zero degrees C and 1 atm. We can apply the ideal gas equation to find the volume occupied by a given mass of...
A scientist is comparing the number of atoms in a 50.0 g oxygen (O2) sample to that in a nitrogen (N2) sample of the same mass. How do these numbers compare? Consider an ideal gas that has a pressure of 120 kPa and is at a temperature of 20°C. Calculate the numbe...
Calculate the volume of 22.0 moles of Cl2 at STP. Calculate the volume of 22.5 moles of Cl2 at STP. How many moles of Cl atoms are in 1.7 grams of CCl4? How many moles are in 16.0 grams of Cl atoms? What is the mass of 4 mol of chlorine gas?
Unlikeconverting the mass in grams to moles, converting the volume of a gas in liters to moles uses a simple conversion formula that does not depend on the nature of the gas. At standard temperature and pressure (STP), 1 mole of any ideal gas takes up 22.4 liters. Thus, the conversion...
What is the pressure (in atm) of 0.250 moles of an ideal gas at a volume of 585 mL and a temperature of 295 K? Ideal Gas Law: When gas was described as an ideal gas, it indicates that the gas behaves ideally and we can use the equation fo...
The conversion factor, the Molar Volume of Gas, is 1 mol gas/22.4 L @STP or 22.4 L @STP/1 mol gas.Where n is the number of mols, V is the volume of a gas, and MVG is the molar volume of gas,V = n x MVGGases not at STP will require the Ideal Gas Law Formula,...
Page 1Quantity: n = moles Volume: V = container size (usually L or mL) Temperature: T ≈ average kinetic energy of molecules (must be in K for all "gas laws") Pressure: P = force/area Units of Pressure: SI unit is the (Pa) 1 atm = 101,325 Pa (not commonly used) More ...
1.00 litre of Methanol ( CH3OH). the question im trying to answer is: Methanol, CH3OH, is added to some automobile fuels to improve burning and reduce pollution. What volume of O2 is consumed in the combustion of 1.00 L of methanol at 25°C and 1.00 atm? The density of methanol is ...
Homework Statement Find the rms speed for an argon atom if 9.0 mol of the gas is confined to a 8.2 liter container at a pressure of 5.4 atm. *I know how to solve the problem, but I forget how to convert 9.0 moles of Argon into moles/kg..how do you do that?? Homework Equations....