19] How many joules of heat are required to heat 155 grams of water from 15.0*C to 99.0*C ?C = 4.184 J /g-*C20] Calculate the amount of required to melt 45.0 grams of ice at 0.00*C and heat to 75.0*C.Hfus = 6.01 kJ/mol21] Convert the following values:[H+][OH']pH = 3.45pOH =22] Convert the following values:pOH = 5.45[OH][H*]pH =23] Calculate the molecules of C6H1206 in a 65.0 grams sample.24] A mass of water required 7850.0 j of heat to experience a temperature change from 12.0*Cto 17.0*C. Calculate the mass of the water sample.

The ratio of the quantity of heat energy delivered to an item to the ensuing increase in temperature…

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19] How many joules of heat are required to heat 155 grams of water from 15.0*C to 99.0*C ? C = 4.184 J /g-*C

19] How many joules of heat are required to heat 155 grams of water from 15.0C to 99.0C ? C = 4.184 J /g-*C

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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Question

19] How many joules of heat are required to heat 155 grams of water from 15.0*C to 99.0*C ?
C = 4.184 J /g-*C
20] Calculate the amount of required to melt 45.0 grams of ice at 0.00*C and heat to 75.0*C.
Hfus = 6.01 kJ/mol
21] Convert the following values:
[H+]
[OH']
pH = 3.45
pOH =
22] Convert the following values:
pOH = 5.45
[OH]
[H*]
pH =
23] Calculate the molecules of C6H1206 in a 65.0 grams sample.
24] A mass of water required 7850.0 j of heat to experience a temperature change from 12.0*C
to 17.0*C. Calculate the mass of the water sample.

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