The answer is force.
Hope this helps.
Answer: There would have to be three nitrogen atoms in the products. The law of conservation of matter states that the amount of substance before a reaction occurs should be the same as the amount of substance after the reaction.
Explanation: This is the EXACT sample answer from the test, just reword it if you want. ^
Answer:
In conduction, heat transfer takes place between objects by direct contact. In convection, the heat transfer takes within the fluid. In radiation, heat transfer occurs through electromagnetic waves without involving particles. The heat transfer takes place due to the difference in temperature.
The balanced chemical equation is,
2Mg+2HCl→2MgCl+H2↑
The answer is c because thats the number when combined with a metal. +1 is when its combined with a nonmetal.
