Answer:
Dilution is the prosess where a solution is added more of the solvent to decrease the concentration of the solute. In dilution, the amount of solute does not change, the number of moles are the same before and after dilution.
1 calorie is equal to 4.184 Joules.
I believe it is C. Increase the temperature of coal
Answer:
There is empty space between electrons and protons
Explanation:
The atom is composed of a nucleus and electrons that move round the shells in orbits. The electrons are negatively charged while the protons are positively charged.
In between the nucleus where protons are found and the electrons in orbits is largely empty space, hence the answer above.