How many grams of h2 gas can be produced by the reaction of 63.0 grams of al (s) with an excess of dilute hydrochloric acid in the reaction shown below? 2 al (s) + 6 hcl (aq) → 2 alcl3 (aq) + 3 h2 (g) ?

Most organic polymers are named based on the monomers used in their production. However, poly (vinyl alcohol) (PVA) is not made from vinyl alcohol, but instead from vinyl acetate that is hydrolized after formation of the polymer.

Given the reaction: n2 (g) + 3h2 (g) 2nh3 (g) what is the mole-to-mole ratio between nitrogen gas and hydrogen gas? (1) 1:2 (3) 2:2 (2) 1:3 (4) 2:3

Why should you never heat a test tube that is closed?

If sugar contains 41.86 carbon and 6.98 hydrogen what percentage of sugar is oxygen

What happens when an ionic bond forms?

What can form as a result of a chemical reaction?

A solution of orange juice that weighs 500 g contains liquid juice and solid pulp. All of the pulp is removed from the juice. The pulp is found to weigh 50 g. How much would the remaining liquid juice weigh? A. 50 g B. 250 g C. 450 g D. 500 g

Assume 3 molecules of Fe react according to the following equation. 3Fe + 4H2O Fe3O4 + 4H2 How many molecules of H2 are produced? How many water molecules are required? What is the mole ratio of Fe to H2O?

10.0 mL of a HF solution was titrated with a 0.120 N solution of KOH; 29.6 mL of KOH were required to completely neutralize the HF. Calculate the normality of the HF solution.

The number of grams present in 1.35 mol of Fe is