Answer:
4
Step-by-step explanation:
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:
21% of his students wear glasses
Step-by-step explanation:
The answer is 21% because 21/100 =21
Hope it helps.
Neptune is about four times wider than Earth.
Answer:
5 is the constant since it doesn't have any variable with it
Step-by-step explanation:
Hope this helps!
