Answer:
4 atmospheric pressure is needed to get a volume of 25 litres
They must make sure that all things pointed out are fact, not opinion.
Answer:
The expression to calculate the mass of the reactant is 
Explanation:
<em>The amount of heat released is equal to the amount of heat released per gram of reactant times the mass of the reactant.</em> To keep to coherence between units we need to transform 1,080 J to kJ. We do so with proportions:

Then,

Answer:
Water does not remain when an insoluble substance is added