Answer:
LETTERS
Step-by-step explanation:
In Arithmetic, variables look like LETTERS.
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.
<u>Answer</u>:
<em>I'm bad at explaining this but after this, go to sleepppp</em>
<u>Step-by-step explanation:</u>
<u />
Answer:
b. would be the answer bc it goes in a line if you were to connect the dots
The answer is 12/30, which simplified to 2/5
