Answer:
C
Explanation:
Think of 'exo' as exit and 'thermic' as relating to thermal energy/ heat. Thus, an exothermic release thermal energy as the reaction proceeds.
In an exothermic reaction, the total energy of the products is lesser than that of the reactants and ΔH (change in energy) is less than zero.
When heat is absorbed as the reaction proceeds, the chemical reaction is an endothermic reaction.
Answer:
Brass is a homogenous mixture of copper and zinc
Hope it helped u, plz put thanks
This is an ALCOHOL
The alcohol groups can contain Oxygen even if its a HYDROCARBON
Answer:
Law of definite proportions, statement that every chemical compound contains fixed and constant proportions (by mass) of its constituent elements.
According to your question seems like Block E is densest. Hope it helps