A bomb caloriemeter

Will figure out when I get home!

I have been waiting for your response for quite some time.

please let me know, Thanks!

I'm not sure how to do it, but I asked a colleague. Will update by noon!

Alrighty!

Thanks!!

Try this method:

Unfortunately, still incorrect.

The relationship between the change in internal energy  (Δ𝑈),
  heat  (𝑞),
  and work  (𝑤)
  is given by the following equation.
Δ𝑈=𝑞+𝑤
 
Work is related to pressure  (𝑃)
  and the change in volume  (Δ𝑉)
  through the following equation.
𝑤=−𝑃Δ𝑉
 
A bomb calorimeter has a constant volume, so  Δ𝑉=0
  for any reaction carried out in a bomb calorimeter. Therefore,  𝑤=−𝑃Δ𝑉=0
  for a reaction carried out in a bomb calorimeter, and the equation for the change in internal energy simplifies to  Δ𝑈=𝑞.
 
For a reaction carried out in a bomb calorimeter, the heat absorbed by the solution and calorimeter  (𝑞soln)
  is equal in magnitude but opposite in sign to the heat released by the reaction  (𝑞v).
 
𝑞soln=−𝑞v
 
The heat absorbed by the solution and calorimeter is also related to the heat capacity of the calorimeter  (𝐶cal)
  and the change in temperature  (Δ𝑇)
  through the following equation.
𝑞soln=𝐶calΔ𝑇
 
Combine these equations to get an expression for  Δ𝑈
  in terms of  𝐶cal
  and  Δ𝑇.
 

feedback^^^

I think the issue with your answer are the significant figures. Does the question tell you what to round to?

Here's my attempt. I get the same as you but we're off by 0.06.



I used our tutorial found here:



If it is a rounding/significant figure situation, the final answer to four significant digits is -1367. If it is to three significant figures, we write it in scientific notation as:

\[-1.37 \times 10^3\]

or simply:

\[-1370\]

Both show 3 significant figures.

Unfortunately, no. I just gave it a try! its marked it as incorrect again!

Hi

I haven't looked at this since, but did you end up getting the right answer?

haha no!

It was such a weird question for some reason.

I understand you have been busy as well! its all good bioman I know you honestly tried your best to figure out the correct answer.

No problem.

If you do get the answer, please update the thread