The volume of a gas is 93 ml when the temperature is 91? c. if the temperature is reduced to 0? c without changing the pressure, what is the new volume of the gas?

Which equation represents an oxidation-reduction reaction? a. hcl + koh? kcl + h2o b. 4hcl + mno2? mncl2 + 2h2o + cl2 c. 2hcl + caco3? cacl2 + h2o + co2 d. 2hcl + fes? fecl2 + h2s?

Why is a solid recrystallized with the minimum of hot solvent?

All moving objects have momentum. true or false?

N2 (g) + 3 H2 (g) ⇌ 2 NH3 (g) + Energy For the reaction of nitrogen gas and hydrogen gas to make methane, what stresses would shift the equilibrium to the left toward the reactants?

What state of matter has a definite shape and volume?

Which group is more reactive than the alkaline earth metals?

What is the process by which cells withdraw energy from glucose called?

The alkline earth metals include?

What are two physical changes that could occur with a piece of paper?

If a molecule has four hybrid sp3 orbitals, it can be concluded that the molecule has a