The correct answer is A I believe!
The enthalpy change for the formation step of this intermediate is 136 kJ/mol.
<h3>What is the enthalpy?</h3>
The enthalpy of reaction can be obtained from the enthalpies of formation of the species involved. The enthalpy of reaction is the heat evolved or absorbed in a reaction.
Thus, the enthalpy change for the formation step of this intermediate is 4 * 34 kJ/mol = 136 kJ/mol.
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Answer:
11.842g
Explanation:
To find mass the formula is volume times density.
