The second one and the 2 last ones
It is called a watt and or wattage
False, pushing a sofa on a hardwood floor would be easier than on carpet.
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,