Calculation in transition metal​

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

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas