July 04, 2022, 11:22:40 AM
Forum Rules: Read This Before Posting


Topic: word problem chemistry  (Read 5410 times)

0 Members and 1 Guest are viewing this topic.

jewels

  • Guest
word problem chemistry
« on: September 29, 2004, 08:24:05 PM »
How many calories are required to raise the temperature of 225g of water from 42C to 75C?
Thanks for any help

Tetrahedrite

  • Guest
Re:word problem chemistry
« Reply #1 on: September 29, 2004, 09:45:19 PM »
The definition of a calorie is the amount of energy required to raise the temp of 1g of water 1 degree C. So from 42-70 degrees is 28 x 225 = 6300 calories

Sponsored Links