How many grams of methane are needed
one mole of methane has a mass of 16.0 grams. How many grams of methane are needed to make 1.0 L of a 0.20 molar solution?
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What volume would a 0.0236-mole sample of helium gas would occupy at a temperature of 24°C and a pressure of 0.750 atm?
Consider 4.40L of a gas at 365 mm Hg and 20 degrees celcius. Express the pressure numerically in millimeters of mercury.
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The reaction system POCL3(g) POCL(g)+CL2(g) is at equilibrium. which of the following statements describes the behavior of the system if the partial pressure of chlorine is reduced by 50%?
How much of the other reagent is left over after the reaction is complete?
How many grams of methane [CH49g] must be combusted to heat 1.00 kg of water from 24.0 to 93.0, assuming H2O(l) as a product and 100% efficiency in heat transfer?
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