What is the mass of h2o produced when 10.0 grams of h2 reacts completely with 80.0 grams of o2?
a(70.0 grams)
b(90.0 grams)
c(180.0 grams)
c(800.0 grams)

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

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?

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal