Answer:
i think the answer is c hoped this helped
Explanation:
One would be phosporous whose configuration is 1s2 2s2 2p6 3s2 3p3
Answer: sorry hun can’t help with this I was asked different questions when I learned this :,)
Explanation: have a nice day
Answer:
554.86kj
Explanation: Since 1 mole of CaC2=15.14kj yield 1mole of C2H2
The enthalpy change of H2O is 2*285=570
570+-15.14=554.86kj
Hence Hp is 554.86kj
He=Hp
