Answer:
When a low cost fuel is available, internal combustion drivers surpass all others in compactness and low cost of installation and operation. For example, gas compression on a large scale has long been done with integral engine compressors.
the answer you are looking for is 4.22 kj.
Answer:
All of them except NaCl
Explanation:
Organic compounds are compound that basically contain carbon-hydogen bonds. Salt (NaCl) doesn't have carbon, and the rest does. So I think that A, C, and D are the answers.
I hope this helps!