How much heat, in kJ, is absorbed by a 27.5 gram sample of water to raise its temperature from 25.0oC to 55.0oC? The specific heat of water is 4.184 J/g•oC. (A) 107 kJ
(B) 2.88 kJ
(C) 6.33 kJ
(D) 3.45 kJ

Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)