a gas mixture contains each gas at the indicated partial pressure: 422 mm Hg of CO2, 102 mm Hg of Ar, 165 mm Hg of O2, and 52 mm Hg of H2. What is the total pressure of the mixture in mm Hg?

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2