Reaction Demo - Enthalpy of Reaction

Presentation

•

Chemistry

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9th - 12th Grade

•

Practice Problem

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Medium

Ben Meacham

Used 4+ times

FREE Resource

1 Slide • 5 Questions

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In the demo, what happened to the temperature?

Multiple Choice

Based on the temperature change, which of the following best describes this reaction?

Endothermic

$-\Delta H$

Endothermic

$+\Delta H$

Exothermic

$-\Delta H$

Exothermic

$+\Delta H$

Multiple Choice

Choose which statement accurately describes this reaction

More energy was required to break the bonds of the reactants than was released upon forming new bonds for the products

More energy was released upon forming new bonds for the products than was required to break the bonds of the reactants

Calculate the change in enthalpy of this reaction ΔH_rxn

Ba(OH)₂ (s) + 2NH₄Cl (s) ---> BaCl₂ (s) + 2NH₃ (g) + 10H₂O (l)

Multiple Choice

What was the ΔH_rxn for this reaction?

-160 kJ/mol

+160 kJ/mol

+2,465 kJ/mol

+240 kJ/mol

Draw

Draw what a reaction energy diagram would look like for this reaction

In the demo, what happened to the temperature?

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