Answer:
there are four peaks in the 13c NMR (B)
Answer:
This would be Conduction
Explanation:
Conduction is the transfer of heat between two surfaces in contact with each other like the bird and the eggs.
Answer:

Explanation:
Hello,
In this case, the molar enthalpy of reaction is obtained by dividing the involved energy by the reacting moles:

Thus, it is important to notice that the compound "uses" the energy, it means that it absorbs the energy, for that reason the sign is positive. Moreover, computing the result in kJ/mol we finally obtain:

Best regards.