3) You have 431.3 g of ice at -3 °C.a. How much energy will it take to raise your ice's temperature to its melting point?b. How much energy will it take to melt your ice?c. How much energy will it take to raise your water's temperature to its boiling point?d. How much energy will it take to boil your water?e. How much energy is needed to do all of the steps above?f. 1 slice (1/8 of a pizza) of Little Caesar's Pizza is around 246 kcal. Calculate the % of apizza required to do all of the steps above.g. If 1 kilowatt-hr (kWh) costs 12 ¢ and I kWh = 859.8 kcal, how much would it cost to doall of the steps above?

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Answered: 3) You have 431.3 g of ice at -3 °C, a.…

3) You have 431.3 g of ice at -3 °C, a. How much energy will it take to raise your ice's temperature to its melting point?

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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Concept explainers

Thermochemistry

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Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.

Question

3) You have 431.3 g of ice at -3 °C.
a. How much energy will it take to raise your ice's temperature to its melting point?
b. How much energy will it take to melt your ice?
c. How much energy will it take to raise your water's temperature to its boiling point?
d. How much energy will it take to boil your water?
e. How much energy is needed to do all of the steps above?
f. 1 slice (1/8 of a pizza) of Little Caesar's Pizza is around 246 kcal. Calculate the % of a
pizza required to do all of the steps above.
g. If 1 kilowatt-hr (kWh) costs 12 ¢ and I kWh = 859.8 kcal, how much would it cost to do
all of the steps above?

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