PLEASE HELP ME WITH THIS ONE PLEASEEEE MA'AM/SIR... I PROMISE TO GIve helpful rating. QUESTIONS1. A system receives 425 J of heat and delivers 425 J of work toits surroundings. What is thechange in internal energy of thesystem (in J)?2. Complete combustion of 1.0 metric ton ofcoal (assuming purecarbon) to gaseous carbondioxide releases 3.3 x 1020 J of heat.Convert this energy to (a) kilojoules; (b) kilocalories.3. Classify the following processes as exothermic or endothermic: (a) freezing of water; (b)boiling ofwater; (c) digestion offood; (d) a person running; (e) a person growing; (f) woodbeingchopped; (g)heating with a furnace.

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A system receives 425 J of heat and delivers 425 J of work toits surroundings. What is the change in internal energy of thesystem (in J)?

Chemistry

10th Edition

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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PLEASE HELP ME WITH THIS ONE PLEASEEEE MA'AM/SIR... I PROMISE TO GIve helpful rating.

QUESTIONS
1. A system receives 425 J of heat and delivers 425 J of work toits surroundings. What is the
change in internal energy of thesystem (in J)?
2. Complete combustion of 1.0 metric ton ofcoal (assuming purecarbon) to gaseous carbon
dioxide releases 3.3 x 1020 J of heat.Convert this energy to (a) kilojoules; (b) kilocalories.
3. Classify the following processes as exothermic or endothermic: (a) freezing of water; (b)
boiling ofwater; (c) digestion offood; (d) a person running; (e) a person growing; (f) wood
beingchopped; (g)heating with a furnace.

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