Question #2: The following mathematical statement is critical to the uce of calorimotry and ie a etatement of an important overriding law in thermodynamics. Explain this law in words (a single sentence should suffice). qwater + 9bomb + 9rxn = 0 + Arxn = 0

Chemistry: An Atoms First Approach
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Chapter7: Chemical Energy
Section: Chapter Questions
Problem 109AE: A sample of nickel is heated to 99.8C and placed in a coffee-cup calorimeter containing 150.0 g...
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Question #2: The following mathematical statement is critical to
the use of calorimetry and is a statement of an important overriding
law in thermodynamics. Explain this law in words (a single sentence
should suffice).
Awater + Abomb + qrxn = 0
Question #3: The magnitude of q in thermodynamics will be in
units of energy (Cal, cal. J or kJ). When expressing energy in
thermodynamics the sign associated with this quantity is
important. Why?
Transcribed Image Text:Question #2: The following mathematical statement is critical to the use of calorimetry and is a statement of an important overriding law in thermodynamics. Explain this law in words (a single sentence should suffice). Awater + Abomb + qrxn = 0 Question #3: The magnitude of q in thermodynamics will be in units of energy (Cal, cal. J or kJ). When expressing energy in thermodynamics the sign associated with this quantity is important. Why?
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