Problem: 3.21Indicate whether each reaction is a combination, decomposition, or combustion reaction.K2O(s) + H2O(l) → KOH(aq)

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We are being asked to classify 

K2O(s) + H2O(l) → KOH(aq)


based on the following categories:


  • Combination/Synthesis  multiple reactants combine to form a single productw/o change in oxidation numbers

A + B AB

  • Decomposition reactant splits into multiple products with no change in oxidation numbers

AB A + B

  • Combustion reaction: reaction with oxygen that produces carbon dioxide and water

Hydrocarbon + O2 CO2 + H2O


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Problem Details

3.21

Indicate whether each reaction is a combination, decomposition, or combustion reaction.

K2O(s) + H2O(l) → KOH(aq)

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Types of Chemical Reactions concept. If you need more Types of Chemical Reactions practice, you can also practice Types of Chemical Reactions practice problems.

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Based on our data, we think this problem is relevant for Professor Emig's class at Harrisburg Area Community College - Harrisburg.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in Chemistry: The Central Science - Brown 14th Edition. You can also practice Chemistry: The Central Science - Brown 14th Edition practice problems.