If a given aqueous solution at 298 K contains [H+] = 1.0 × 10-9, what is the [OH-]? A. 1.0 × 10-14

B. 1.0 × 10-9

C. 1.0 × 10-5

D. 1.0 × 10-1

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88