You heat a piece of iron from 200 to 400k what happens to the atoms energy of random motion

7. How many liters of NH3, at STP will react with 10.6 g O2 to form NO2 and water? 4NH3 (g) + 7O2 (g) → 4NO2 (g) + 6H2O (g) * a. 2.12 L b. 3.03 L c. 4.24 L d. 6.49 L 8. What is the maximum number of grams PH3 that can be formed when 3.

Neutralization is a reaction between a (n) a. acid and a base. b. acid and a metal. c. base and a salt. d. salt and water.

One open container of nail polish remover is left in an air-conditioned room and another identical container is left in a warm room. The rate of evaporation in the air-conditioned room will be: Select one: a.

If the pressure on an ideal gas is increased, what will happen to the volume of the gas?

What happens when the preassure of gas is decreased?

The ionic naming rules

What is the PH of a solution whose [H+] is 0.0007

What was concluded about the structure of the atom as the result of the gold foil experiment? (1) A positively charged nucleus is surrounded by positively charged particles. (2) A positively charged nucleus is surrounded by mostly empty space.

Andre is predicting the products of chemical reactions. In one reaction, a hydrocarbon is the only reactant. What is the best prediction and explanation of this reaction? Two new compounds form as the hydrocarbon undergoes a synthesis reaction.

What evidence is there that electrons move around in definite pathways around the nucleus? What evidence is there that electrons m