PLEASE HELP with detailed explanation of the formulas** A 10.0gram sample of H2O(l) at 23.0°C absorbs 209 joules of heat. What is the final temperature of the
Chemistry
nadineadel2
Question
PLEASE HELP with detailed explanation of the formulas**
A 10.0gram sample of H2O(l) at 23.0°C absorbs 209 joules of heat. What is the final temperature of the H2O(l) sample?
(1) 5.0°C
(2) 18.0°C
(3) 28.0°C
(4) 50.0°C
A 10.0gram sample of H2O(l) at 23.0°C absorbs 209 joules of heat. What is the final temperature of the H2O(l) sample?
(1) 5.0°C
(2) 18.0°C
(3) 28.0°C
(4) 50.0°C
1 Answer

1. User Answers Billymkhoi
Q= m*c*ΔT
⇒ 209 J= 10.0 g* 4.18 J/(g*C)* (x 23.0 C)
⇒ ...
⇒ x= 28.0 C
(3) 28.0°C is the correct answer.
Hope this helps~