Answer:
120 is the correct answer
Input energy is: 200 joule
Output energy is: 100 joule
100/200*100=%50 efficiency
Answer:
The correctly equation is D) N2+ 3H2 → 2NH3
Explanation:
Both nitrogen and hydrogen are presented in bimolecular form (N2 and H2), on one side and on the other side of the equation we have 2 Nitrogens and 6 Hydrogens (it is balanced)
on touching electroscope gets positively charged, so answer is B. conduction