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A chemistry student wants to determine the percent composition of calcium oxide in a given sample of limestone. The student does an experiment and obtains the mass of the limestone sample, the mass of carbon dioxide evolved upon heating the limestone, and the mass of calcium oxide left behind. Using mass balance calculations, determine the percent composition of calcium oxide in the limestone sample.
answered
Jan 22
in
Analytical Chemistry
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57
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According to the cognitive-behavioural theory, how can negative thinking influence depression?
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Jan 20
in
Psychology
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23
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What is a potential solution for reducing conflict based on the situational model?
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Jan 17
in
Psychology
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16
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Why is a two-way ANOVA used?
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Jan 17
in
Psychology
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23
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When does the Elaboration Theory suggest elaboration should be used?
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Jan 15
in
Psychology
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35
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How does the humanistic-existential perspective explain personality disorders?
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Jan 15
in
Psychology
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35
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What type of galaxies have a rotating disk of stars and dust, a bulge in the middle, and several arms?
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Jan 8
in
Science
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7
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In sexual reproduction, two of what unite to produce an offspring?
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Dec 31, 2024
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Science
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