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In a hydrogen-oxygen fuel cell, hydrogen and oxygen react at the electrodes - Edexcel - GCSE Chemistry - Question 1 - 2019 - Paper 1
Question 1
In a hydrogen-oxygen fuel cell, hydrogen and oxygen react at the electrodes. (a) The overall reaction occurring in this fuel cell is a reaction of hydrogen with oxy... show full transcript
Worked Solution & Example Answer:In a hydrogen-oxygen fuel cell, hydrogen and oxygen react at the electrodes - Edexcel - GCSE Chemistry - Question 1 - 2019 - Paper 1
Step 1
The overall reaction occurring in this fuel cell is a reaction of hydrogen with oxygen.
Answer
The balanced equation for the reaction between hydrogen and oxygen can be represented as:
ightarrow 2H_2O$$ This equation indicates that two molecules of hydrogen gas react with one molecule of oxygen gas to produce two molecules of water.