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chemistry G.10 HEAT CONTENT

chemistry G.10 HEAT CONTENT

Assessment

Presentation

Chemistry

10th Grade

Practice Problem

Hard

Created by

Tassnim Alsayed

Used 6+ times

FREE Resource

65 Slides • 3 Questions

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Multiple Choice

Question image

Calculate the change in the standard enthalpy of methane combustion Aire according to the following reaction :

CH4(g) + 202(g) -------■ CO2(g) + 2H2O

By using the values of the standard heat of formation Hc shown in the opposite table.

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-890.6 KJ/mol

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890.6 KJ/mol

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1200 kJ/mol

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-1200 KJ/mol

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Multiple Choice

Question image

The opposite table shows the values of the heat of formation of two compounds (A) and (B). Which of the following represents these compounds ?

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The heat content of each of (A) and (B) is higher than the heat content of its constituent elements.

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(A) is more thermally stable than (B)

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(B) is more thermally stable than (A)

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(A) and (B) are thermally unstable compounds.

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Open Ended

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Arrange the compounds illustrated in the table in a descending order according to their thermal stability.

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