Question
Select the correct answer. What is the final temperature of a 272-gram wooden block that starts at 23.4^circ C and loses 759 joules of energy? The specific heat capacity of wood is 1.716 joules/gram degree Celsius. Use the formula Q=mCDelta T A. 7.1^circ C B. 10.9^circ C C. 16.3^circ C D. 39.7^circ C
Answer
4.1
(202 Votes)
Elizabeth
Veteran · Tutor for 9 years
Answer
### A.
Explanation
## Step 1: Define the formula### The formula for heat transferred is
.## Step 2: Rearrange the formula### Solve for
:
## Step 3: Substitute the given values### Given:
(energy lost),
,
,
:
## Step 4: Calculate
###
## Step 5: Determine the final temperature###