HESI A2 Chemistry Practice Questions

HESI A2

HESI A2 Test Bank

HESI A2 Chemistry Practice Questions Questions

Question 1 of 5

Why does the diffusion rate increase as a substance is heated?

A. The kinetic energy of particles increases. B. The space between particles increases. C. The density of particles decreases. D. The size of particles increases.

Question 2 of 5

What is the charge of a beta particle?

A. -1 B. +1 C. +2 D. No charge

Question 3 of 5

What happens in a single displacement reaction?

A. A compound decomposes into two substances. B. An active element displaces a less active element. C. A precipitate solid forms from the reaction of two solutions. D. The oxidation states of atoms in the reactants change.

Question 4 of 5

To the nearest whole number, what is the mass of one mole of hydrogen iodide?

A. 2 g/mol B. 58 g/mol C. 87 g/mol D. 128 g/mol

Question 5 of 5

Which best defines the molarity of an aqueous sugar solution?

A. Grams of sugar per milliliter of solution B. Moles of sugar per milliliter of solution C. Grams of sugar per liter of solution D. Moles of sugar per liter of solution

HESI A2 Chemistry Practice Questions

Skildor

HESI A2

HESI A2