The oxygen gas (O2) in a cylinder has a mass of 360 grams. How many moles of oxygen are present in the cylinder?
The oxygen gas (O2) in a cylinder has a mass of 360 grams. How many moles...
how many moles of oxygen gas react with 1.00 moles NO? NO + O2 ---> NO2
A tank contains 22.0 grams of oxygen, 80.00 grams of helium, and 3.21 moles of hydrogen gases.The mixture has a total pressure of 7.00 atmospheres. Calculate the following. a) How many moles of O2 are in the tank? b) How many moles of He are in the tank? c) Total moles of gas in tank d) Mole fraction of each gas e) The partial pressures of each gas
a. How many moles are there in 36 grams of carbon? b. How many grams are there in 3 moles of sodium c. how many grams are there in 2 moles of water? d. How many moles in: 6.22 grams of aluminum e. How many moles in 1.26 mg of gold? f. how many moles in 5.2 kg of carbon? 3. Calculate the molar mass of sodium nitride 4. Calculate the molar mass of sulfuric acid 5. Give the percent...
2. Given the unbalanced equation: C3H8 + O2 CO2 + H2O a. How many moles of oxygen gas are required to make 4.00 moles of carbon dioxide? b. How many moles of C3H8 must be used to produce 2.00 grams of water?
How many moles of gas are present in a 45.0 L cylinder of gas at 3.2 atm and 75LaTeX: ^\circ∘C? Group of answer choices 8.42 0.0383 1.85 5.04
A mixture of Ne and Ar gases contains twice as many moles of Ne as of Ar and has a total mass of 51.59 grams.How many moles of gas are there in the mixture?A mixture of Ne and Ar gases at 350K contains twice as many moles of Ne as of Ar. If the volume of the mixture is 12.5 L and the total number of moles is 1.865 what is the partial pressure of Ne (in atm)?
Using the below chemical equation, how many moles of magnesium are needed to react with 0.10 moles of oxygen gas? The molar mass of oxygen gas is 31.998 grams per mole and the molar mass of magnesium is 24.305 grams per mole. Make sure to include the correct unit symbol with the answer choice. 2Mg + O2 →→ 2MgO
a gas cylinder contains 2.5×10^3 grams of O2 gas in a volume of 10 liters. what pressure is excerted by the oxygen at 20.0 C
An oxygen gas container has a volume of 20.0 L. How many grams of oxygen are in the container if the gas has a pressure of 887 mmHg at 24 ∘C? Mg metal reacts with HCl to produce hydrogen gas. Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g) What volume of hydrogen at 0 ∘C and 1.00 atm (STP) is released when 9.40 g of Mg reacts? How many grams of magnesium are needed to prepare 6.90 L of H2 at 775 mmHg and 20 ∘C?
6.0 grams hydrocarbon sample were made to react with oxygen gas to produce 17.6 grams of carbon dioxide according to the equation: CxHy(g) + O2(g) ---------- CO2(g) + H20(l) where x = subscript for C, y = subscript for H a. How many grams of C are there in 17.6 grams of CO2? b. How many grams of C are there in the hydrocarbon sample? c. How many moles of C are there in the hydrocarbon sample? d. How many...