Which of the following measurements involve a direction? ( select all that apply) A. acceleration
B. velocity
C. distance
D. mass

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

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?

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al oxidizing agent = reducing agent =