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7. (2-step conversion) Howmany calories (cal) in 73.2 kilocalories (kcal) ?

7. (2-step conversion) Howmany calories (cal) in 73.2 kilocalories (kcal) ?

Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter10: Energy
Section: Chapter Questions
Problem 21QAP
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Need help with number 7 please
Equations With Energy 2021 EF Immersi 6. (2-step conversion) Howmany J in 78.4 kJ ? 7. (2-step conversion) Howmany calories (cal) in 73.2 kilocalories (kcal) ? 8. (3-step conversion) How many kilocalories in 54.3 J? 9. (3-step conversion) How many kJ in157.4 cal ? EVALUATING EQUATIONS WITH ENERGY TERMS: 4 NH3 + 3 O2 2 N2 + 6 H2O (g) + -382 kJ/mol of NH3 近
Transcribed Image Text:Equations With Energy 2021 EF Immersi 6. (2-step conversion) Howmany J in 78.4 kJ ? 7. (2-step conversion) Howmany calories (cal) in 73.2 kilocalories (kcal) ? 8. (3-step conversion) How many kilocalories in 54.3 J? 9. (3-step conversion) How many kJ in157.4 cal ? EVALUATING EQUATIONS WITH ENERGY TERMS: 4 NH3 + 3 O2 2 N2 + 6 H2O (g) + -382 kJ/mol of NH3 近
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