Answer:
The mass of 3.5 moles of Ca is 140 g to two significant figures
if more solvent is added to the solution the heat of solution[enthalpy of solution] is decreased because by adding more solution the heat is lost to the surroundings that is why it is decreased
Answer:
Animals such as termites and herbivores such as cows, koalas, and horses all digest cellulose, but even these animals do not themselves have an enzyme that digests this material. Instead, these animals harbor microbes that can digest cellulose.
(Hope this helps) Sky (I didn't choose the answer for you because I just gave you the most simplest hint to help you choose.)
A wave is a disturbance that carries energy from one place to another. Matter is NOT carried with the wave! A wave can move through matter (a medium). If it must have a medium, it is called a mechanical wave.
Answer:
A proton is a positively charge particle in an atom..