Find k for this redox reaction when e = +1.05 v: ni + 2ag+ → ni2+ + 2ag

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

How many miles of water are produced if 5.43 mol pbo2 are consumed

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