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Which of the following reactions has the highest enthalpy change?
Which of the following reactions has the highest enthalpy change?
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Practice Questions
1 question
Q1
Which of the following reactions has the highest enthalpy change?
Dissolving NaCl in water
Combustion of propane
Formation of NH3 from N2 and H2
Sublimation of dry ice
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The combustion of propane releases a large amount of energy, resulting in the highest enthalpy change among the options.
Questions & Step-by-step Solutions
1 item
Q
Q: Which of the following reactions has the highest enthalpy change?
Solution:
The combustion of propane releases a large amount of energy, resulting in the highest enthalpy change among the options.
Steps: 5
Show Steps
Step 1: Understand what enthalpy change means. It is the amount of energy released or absorbed during a chemical reaction.
Step 2: Identify the reactions given in the question. Look for the one that involves combustion.
Step 3: Recognize that combustion reactions typically release a lot of energy.
Step 4: Compare the energy released in each reaction. The one that releases the most energy has the highest enthalpy change.
Step 5: Conclude that the combustion of propane releases a large amount of energy, making it the reaction with the highest enthalpy change.
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