Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 8.30 MJ of energy (in the form of heat) if the temperature of the sodium is not to increase by more than 10.0 °C? Use CP = 30.8 J/(K·mol) for Na(l) at 500 K.

Question

aaronq · Answer

use this equation: $q=m*C_p*\Delta T$

anonymous · Answer

yeah i know i just dont know how to get the answer

aaronq · Answer

you plug your values in and solve algebraically

anonymous · Answer

ok i will try

aaronq · Answer

make sure your units match

anonymous · Answer

yeah i am confused i am getting 3.18

aaronq · Answer

did you convert MJ to J?

anonymous · Answer

yea thanks for trying to help me though

aaronq · Answer

i doubt 3.18 is right. if you post what you've done i can tell you where you went wrong

anonymous · Answer

yeahh it isnt right because the homework tells you if it is wrong or not

aaronq · Answer

post what you did

anonymous · Answer

I do not have it on the computer me and my friend are trying to figure t out and cant

aaronq · Answer

type it?