How much heat energy is needed to raise the temperature of 59.7g of cadmium from 25°c to 100°c? the specific heat of cadmium is 0.231 j/g °c.

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

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions