Chemistry Problem... Please help?

0 ⤊

Chemistry Problem... Please help?

How many Joules of energy are required to raise the temparature from 20 degrees celsius to 70 degrees celsius?

2007-06-25 01:31:57 · 2 answers · asked by Gillbates 2 in Science & Mathematics ➔ Chemistry

2 answers

Impossible to answer if you do not give the nature and weight of product you want to heat.

If water W= mc(Tf-Ti) here Tf =70 Ti =20 and c =4.18J/°C

so W= 4.18*m*50 J

2007-06-25 01:37:01 · answer #1 · answered by maussy 7 · 0⤊ 0⤋

The temperature of HOW MUCH of WHAT?

2007-06-25 08:36:35 · answer #2 · answered by Israfel 3 · 0⤊ 1⤋