In the following reaction, how many moles of FeO are needed to react completely with 1.6 mol of Al? 1.2 1.8 2.4 3.0

Which of the following explains why the entropy change is greater for the dissolution of NaI compared to the dissolution of NaBr? A. Iodide has weaker ion-dipole interactions with water than bromide. B.

Zinc and iron sulphate=?

What is the molecular description of diffusion?

A monoprotic acid is dissolved in water to produce a 0.0136 M solution. The pH of the resulting solution is 2.45. What is the Ka of the acid?

What type of force is magnetic force? Contact force Normal force Force of friction Non-contact force

Which of the following examples demonstrates a compression force? a plucking a guitar string b. squeezing a sponge c. pulling a wagon d. dropping an apple

What happens when a hydrogen atom acts like a nonmetal in a chemical reaction? a. It gains an electron. c. It loses an electron. b. It loses a neutron. d. It gains a neutron.

Which of the following is a n o n i n f e c t i o u s disease that affects the respiratory system a influenza b cold c asthma d parkinson's

Which is a family with nonmetals whose atoms gain or share one electron in chemical reactions

Franklin was performing an experiment by combining hydrochloric acid and sodium hydroxide. He measured the mass of his reactant materials to be 35g. The reaction resulted in the production of salt and water. He reported that his products weighed 32g.