Circle the term or phrase in parentheses that makes each statement true.

• 1. A substance that produces hydrogen ions in solution is (an acid, a base).

Is it an acid or a base

A gas with a volume of 1.4 L at 25ºC is heated to 50ºC. What is the new volume? a. 2.8 L b. 1.5 L c. 1.3 L d. 0.7 L

What are two properties of liquid

When sodium hydroxide is dissolved in water, energy is released as heat to the surroundings l, causing an increase in the solutions temperature. which of the following best describes this type of reaction? a. - exothermic b. - exothermic c.

What is percent composition of carbon in c2h6o3

The release of a gas from a chemical reaction is very quick. A scientist wants to measure what is released, but in small increments.

All of the following are examples of electrolytic solutions, except __. A) Ocean water B) Pure water C) Strong hydrochloric acid D) potassium chloride solution

How many stereoisomers are possible for 1 2-dichlorocyclopentane?

Consider the balanced equation K, Croa (aq) + Pb (NO3) 2 (aq) → PbCrO4 (s) + 2KNO3 (aq) If 25.0 ml of a 1.00M K, Cro, solution is mixed with 10.0 ml of a 0.500M Pb (NO3) 2 solution. a. How many moles of potassium chromate are present? b.

Name 3 organisms that would be classified as eukaryotic, multicellular, and heterotrophic.

A bond formed by electrical attraction between two oppositely charged ions is called