Need for number 4. do i use the q=mc delta t equation or the q=mhfusion?

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

The molar mass of iron(fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?

Nthis lab, you will do experiments to identify types of changes. using the question format you learned (shown above), write an investigative question that you can answer by doing these experiments