a student observes that when absolution of nitric acid is mixed with a solution of sodium carbonate in a beaker, bubbles form and the beaker feels warm. Which of the following statements best describes this reaction

What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol

How manyatoms of mercury are in 1.4214e+1 ml sample

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?