Answer:
2Zn + 2HCl = H2 + 2ZnCl
Explanation:
Zn is a metal, when metals have reaction with strong acid it will produce H2 gas and the metal's salt which is ZnCl.
Later on you just make the equation in balance.
1 W is equivalent to 1 J/s
So,
0.5 Wh = 0.5 (J/s) (h)
Converting h to s,
0.5 (J/s) (h) (60min/1h) (60s/1min) = 1800J
Thefore,
0.5Wh is 1800J or 1.8kJ of heat energy
I don’t know what is your problem
Answer:
Mid ocean ridge.
Explanation:
(it is an underwater mountain range, formed by plate tectonics.)
Answer:
electroluminescence is a production of light by the flow of electrons, as within certain crystals. An example is at most resataurants with a bright sign that either says open or closed.
Explanation: