Physics, 24.06.2019 04:50 Thunderalesis7855
When oxygen reacts with hydrogen, it has the capacity to release 29 kilojoules of energy. inside a fuel cell, oxygen reacts with hydrogen to produce 23 kilojoules of useful energy. the rest of the energy is lost as heat. what’s the efficiency percentage of the fuel cell?
Answers: 1
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If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?
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How many atoms of nitrogen are in the chemical formula ni(w on
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When oxygen reacts with hydrogen, it has the capacity to release 29 kilojoules of energy. inside a f...
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