If the number of bacteria in a colony doubles every 18 minutes and there is currently a population of 200,000 bacteria, what will the population be 36 minutes from now? ​

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?

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

How many grams of mgbr2 are needed to produce 75g or metal?