The specific heat capacity of a substance is the amount of energy required to raise the temperature of 1kg of that substance by 1 degrees Celsius (or Kelvin). 1kg of water requires 4200 J of energy to raise its temperature by 1 degrees Celsius
6
its a chemical reaction
-30 degree C --APEX:)
the gas molecules move about the room
the liquid vaporizes and the resulting gas molecules wander about the room apex :)
Assuming there is a blank between "a" and "of," 178Au is an unstable isotope of gold. The 79 is its atomic number (number of protons), and 178 is the atomic mass (number of protons + numbers of neutrons).
Aspirin
Yes as is the molar mass of anything else.