Answer:
CaCl2 + Na2S --> 2NaCl + CaS?
Explanation:
CaCl2 + Na2S --> 2NaCl + CaS?
Answer:
Yes, this statement is true. The sun moves across our sky from east to west.
Explanation:
(fun fact: on Mars the sun moves across the sky from west to east!)
Answer:
Chemical energy
Explanation:
By the use of electrons and protons from water