Recent content by mumay

thanks thanks! meaning my answer is right and i just have to round it off to the nearest hundred/ simply follow the rules in significant figures. thanks again!

thank you for your reply. I am so sorry, made a mistake there. I have solved the energy needed which is 15000J but the heat capacity that i got is different from the answer in the book. my answer is 1500 J/deg celsius and in the book is 15000 J/deg celsius.

help! need help here because my answers are different from the answer on the book. just wanted to make sure that i am right. these are the problems: 1. How much heat is needed tor aise the temperature by 10 deg celsius of 5 kg og a substance of specific heat capacity 300J/kg deg celsius? what...