e total change in energy of the

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question 35
If a system releases 55 J of heat and does 37 J of work, what is the total change in energy of the system (J)? Express your
answer as a number only with no units. .
Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for
2.5 x 10)
Type your numeric answer and submit
Transcribed Image Text:Question 35 If a system releases 55 J of heat and does 37 J of work, what is the total change in energy of the system (J)? Express your answer as a number only with no units. . Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10) Type your numeric answer and submit
Qusetion 18
The empirical formula of a compound is determined to be C2 H3NO2. If its molar mass is 511.30 g/mol, what is the
molecular formula for the compound? Don't format subscripts in your answer, e.g. H20 would be entered as H20.
Type your answer and submit
Transcribed Image Text:Qusetion 18 The empirical formula of a compound is determined to be C2 H3NO2. If its molar mass is 511.30 g/mol, what is the molecular formula for the compound? Don't format subscripts in your answer, e.g. H20 would be entered as H20. Type your answer and submit
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