When the following equation Br₂ + SO₂ + H₂O → H₂SO₄ + HBr is balanced, the coefficient, in the lowest whole number, of HBr is

a. 1

b. 2

c. 3

d. 4

e. 5

An object has a mass of 6.8 g and a volume of 34 mL. What is the density of the object? 0.04 g/mL 0.1 g/mL 0.2 g/mL 5 g/mL

Ionic bonds form when electrons are - A. shared. B. ionized. C. transferred. D. magnetized.

A 32.0-g sample of HF is dissolved in water to give 2.0 * 102 mL of solution. The concentration of the solution is:

Which of these four liquids is a mixture, made up of parts, some of which can be separated by flirtation? a. Salt water b. Skimmed milk c. Orange juice with pulp d. Distilled water

Which statement best describes how to read a reaction pathway graph for an endothermic reaction? Reactants absorb a minimum amount of energy and then release a larger amount of energy as products form.

According to Neil's Bohr's atomic model, what occurs when an atom absorbs radiated energy? A) an electron shifts from a lower energy to a higher one B) an electron shifts from a higher energy lever to a lower one C) an electron spirals towards the

Which is true about dissolving a polar substance in water? A) the solvent particles are all nonpolar molecules B) the solute particles are carried into the solution C) the solute particles have no attraction for the solvent molecules D) the solute

Which societal problem can be solved, in part, by scientists identifying areas of high biodiversity? A. reducing the amount of pollution B. finding affordable housing C. protecting the environment D. providing access to clean water

Brianna wanted to compare the densities of two different solids of the same size 6cm3 (same volume) to see which one was more dense. Solid A had a mass of 2 grams and Solid B had a mass of 0.5 grams.

Which type of bond is present within a water molecule