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.
Answer:
9+t= 54
Step-by-step explanation:
Answer: -3a - 8
Step-by-step explanation:
(13 a - 5 ) - (16a + 3) = 13 a - 5 - 16a - 3 = -3a -8
Answer:
30 books
Step-by-step explanation:
One book each month is 20 books, so added to the 10 he's already read is 30.
0.54 I think I’m pretty sure it is tho
