D.
Its the only one going down 3 and over 1.
The answer would be D because it says -3 and not just 3.
Answer:
Step-by-step explanation:
Given Data,
Q=23000 J
c=4.184 J/g °c
Δt= 68 °c
m=?
By using this equation,
Q=mcΔt
subtract 20.008 from -3.835 and you get -23.843
8a+24b