Chemistry, 04.12.2020 21:50 robertstoll81
Hydrogen fuel cells combine hydrogen and oxygen to produce water and energy. Assume 1
kg of fuel is used, and the mass of the water produced is 1.10 x 10-11 kg. How much energy is
produced by this fuel cell? (Hint: Use E = mc2.)
Answers: 3
Chemistry, 21.06.2019 23:50
2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.
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Chemistry, 22.06.2019 06:00
If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?
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Chemistry, 22.06.2019 06:00
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
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Hydrogen fuel cells combine hydrogen and oxygen to produce water and energy. Assume 1
kg of fuel is...
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