The H3O+ ion concentration of a solution is 1 × 10–4 mole per liter. This solution is Group of answer choices

a. acidic and has a pH of 4
b. acidic and has a pH of 10
c. basic and has a pH of 4
d. basic and has a pH of 10

Calculate the change in entropy if br2(l) is converted into gaseous br atoms. s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold