B is the right answer because it’s a double replacement reaction and the potassium is balanced with the sulphate
Answer: The pressure of a gas will increase when there is a decrease in the volume of the gas.
Explanation: according to Boyle's law, the volume of a gas will decrease when the pressure is increased at constant temperature and vice versa.
The correct answer is c, it’s evaporating there for it’s a chemical change
The answer is Independent Variable
The compound is Al2O3. The ratio of aluminum to oxygen is 2:3.