Answer:
Explanation:
Each magnesium atom loses two electrons and each iodine atom gains one electron. So there should be a 1-to-2 ratio of magnesium ions to iodide ions.
Answer:
0.000435
Explanation:
Because it is 10-4, you move the decimal place to the left four times. this will result in 0.000435.
Answer:27,430J/g.K
Explanation:q= mass* specific heat capacity * change in temperature (kelvin)
22*4.184*[(100-25) + 273]
22*4.184*298
27,430J/g.K
I think it’s A, because all of these are related to fossil fuel somehow.