If it takes 30 seconds for a reactant concentration to decrease from 1.0 m to 0.5 m in a first-order chemical reaction, then what is the rate constant for the reaction? a. 0.033 s^–1 b. 0.046 s^–1 c. 0.023 s^–1 d. 43 s^–1

Why did southern business leaders want to increase the number of slaves

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape