Given that I no not see any explanation in the previos answer, I think you can benefit of this.
Exothermic refers only to the fact that the reaction releases energy in the form of heat when occurs. So, the enthalpy is higher at start and lower and the end.
Seen in this way, you can deduct that the change in enthalpy is negative, which is what the third option says.
Are you looking for the percentage? If you are, then you just have to find 8/9, which is about 0.89, or 89%.
The answer is 6750 pounds
Your percent is going to be <span>-203.008</span>
Answer:
i do not
know the awnser but c would be 720 multiplied by its self 3 times the converted
Step-by-step explanation: