Two moles of oxygen gas is reacted with hydrogen gas to produce water in this reaction: 2 H2 + O2 → 2 H2O In the lab you actually made 33.1 grams of water. What is the percent yield? 218.10% 91.80% 45.87% 54.50%

The factor that affects how easily an electron can be removed from an atom is the.

4.2 moles of copper contains

What happens to the particles that make up water as the water is heated

The particles in which sample of LiCl (s) have the same average kinetic energy as the particles in a 2.0-mole sample of H2O (l) at 25°C? (1) 1.0 mol at 75°C (2) 2.0 mol at 50.°C (3) 3.0 mol at 25°C (4) 4.0 mol at 0°C

In a closed system containing three different gases as shown, X2 + Y2 = 2XY

Nonmetal oxides can react with water to form acids. For example, carbon dioxide reacts with water to form carbonic acid: CO2 H2O H2CO3. (1) Write an equation to show how diiodine pentaoxide reacts with water to form an acid. Do not include states.

If atmospheric pressure suddenly changes from 1.00 atm to 0.892 atm at 298 k, how much oxygen will be released from 4.40 l of water in an unsealed container?

Determine the molecular formula for the unknown if the molecular mass is 60.0 amu and the empirical formula is ch2o.

Draw the organic product of the following nucleophilic reaction

How does the energy of the activated complex compare with the energies of reactants and products? select one: a. it is lower than the energy of both reactants and products. b.