Answer:
<h2>C</h2>
Explanation:
<h3>It is a colorless</h3>
I hope you help by my answee
Answer:
the other variable is also doubled
Explanation:
direct proportion, same thing has to happen to both variables
Answer: d) -705.55 kJ
Explanation:
Heat of reaction is the change of enthalpy during a chemical reaction with all substances in their standard states.

Reversing the reaction, changes the sign of 


On multiplying the reaction by
, enthalpy gets half:


Thus the enthalpy change for the given reaction is -705.55kJ