Answer:
Question 1 is 21.0g
Explanation:
50 x 4.18 x 3.1 / 0.444 / 69.6= 21.0
The answer is 3. The releasing of energy means exothermic reaction. So the ΔH should be negative. And the greatest quantity of energy released means that the greatest number. So according to the table I, the answer is 3.
It always shift to the direction where balance out the reaction
here
<span>It shifts in the exothermic direction.</span>
The amount of matter in an object is consisted to be MASS .
