Question 1
View answerSL & HLPaper 1A
In a simple calorimetry experiment, which assumption is usually made?
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Question 2
View answerSL & HLPaper 1A
If the temperature of the surroundings increases during a chemical reaction, what can be concluded about ?
Question 3
View answerSL & HLPaper 1A
In an experiment to determine for a neutralization reaction, which of the following must be measured?
Question 4
View answerSL & HLPaper 1A
If 0.050 mol of a substance releases 1.25 kJ of energy on combustion, what is the molar enthalpy change?
Question 5
View answerSLPaper 2
A student burns ethanol in a simple calorimeter and observes a sharp temperature increase in the surrounding water.
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whether the combustion of ethanol is exothermic or endothermic.
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an energy profile diagram for this reaction.
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the activation energy, reactants, and products on your diagram.
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, using bond enthalpies, why combustion reactions are typically exothermic.
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The student suggests using propane instead of ethanol. how the temperature change in the water might differ and your answer.
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IB Chemistry Topic R1.1 Measuring Enthalpy Change Questionbank
Practice IB Chemistry Topic R1.1 Measuring Enthalpy Change with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for R1.1 Measuring Enthalpy Change and mirrors Paper 1A, 1B, 2 style where relevant.
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