The Enthalpy for the Following Reaction Is 136 KJ

question 26

Multiple Choice

The enthalpy for the following reaction is 136 kJ.If the reaction takes place in a closed container,which one of the following reaction conditions will not decrease the concentration of water vapor?
2 NaHCO₃(s) ⇌ Na₂CO₃(s) + CO₂(g) + H₂O(g)

• A)add CO₂
• B)cool the container
• C)decrease the volume of the container
• D)remove some NaHCO₃

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Operational Definition

A clear, detailed description of how variables in a study are measured or categorized.

Independent Variable

The factor in a study that the investigator alters to examine its impact on the dependent variable.

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A branch of statistics that deals with drawing conclusions about a population based on a sample.

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A proposed explanation for a phenomenon, which can be tested through experimentation or observation.