Which of the following is not a rule when writing a hypothesis. Will gift brainliest!

Is it testable

Is it a prediction

It must restate the question

It is a if/then statement

2. how is heavy water different from normal water

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?