Question

If the specific heat capacity of ice is 2.10 J/(g.°C), how much heat is required to heat 530 g of ice from -45.0°C to -15.0°C?

1.) 33.400 kj
2.) 32595 J
3.) 33.4 kj
4.) 33000 J

I was out sick when we learned this please help

Answer 1

2.10 * 530 * (-15.0 - -45.0) = ? J

careful with sig fig

Answer 2

33390?

Answer 3

Yes.

Answer 4

NO ... not one of the choices ...

remember the sig fig hint

Answer 5

I am anomynous................................

Answer 6

i believe you would round it up to 33000

Answer 7

nevermind, 33000 is WRONG. oops

Answer 8

i think 33.400