Answer:
5.559*10^(23) atoms
Explanation:
Molar Mass of Al(OH)3 = 78 g/mol
(72g/78g/mol)*(6.022*10^(23)atoms/mol) = 5.559*10^(23) atoms in 72 grams of Al(OH)3
Answer:
The climate was very hot and became colder in later time periods.
Answer:
Atomic radius expands b/c of electron-electron repulsion.
Explanation:
Answer:
the amount of heat absorbed or released = mass x specific heart x change in temperature.
Explanation:
Answer:
66 grams of carbon dioxide
C3H8+5O2=3CO2+4H2O