1. Nitric oxide is made from the oxidation of ammonia. What mass of nitric oxide can be made from the reaction of 8.00 g NH3 with 17.0 g O2?
4 NH3(g) + 5 O2(g) ? 4 NO(g) + 6 H2O(g)
2. If the energy of 1.00 mole of photons is 346 kJ, what is the wavelength of the light?
3. When 10.0 g KOH is dissolved in 100.0 g of water in a coffee-cup calorimeter, the temperature rises from 25.18 °C to 47.53 °C. What is the enthalpy change per gram of KOH dissolved in the water? Assume that the solution has a specific heat capacity of 4.18 J/g·K.