Answer:
the answer is A hope this helps
Answer:
CaKr Na2S BaCl3 MgF. CaKr-Kr is a noble gas Na2S-not balanced BaCl3-not balanced MgF-not balanced.
Explanation:
Answer: A
Explanation: Just took it on Ap3x
Answer:
3
Explanation:
you must multiply everything out till everything is equal on both sides
Endothermic is when the compound absorbs energy in the reaction. Exothermic is the opposite: the compound releases energy in the reaction.