At all times when a lab is being operated no matter what the circumstances
Answer:
Sorry but I do not the answer to help you but I will advise you to look in internet for better answer and secondly I think your cheating while doing paper
Answer:
The reaction vessel will feel cool
Explanation:
In an endothermic reaction, heat is absorbed by the reaction system from the surrounding. The withdrawal of heat from the surrounding causes the reaction vessel to feel cool.
Hence when an endothermic reaction is going on, the reaction vessel feels cool when touched.
Answer:
C.Peptide bonds
Explanation:
The amino acids in the protein structure are linked by peptide bonds.
These bonds join the alpha carboxylic group of one amino acid to the alpha amino group of another amino acid. This forms a chain called the amino sequence
