
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Answer kJ

Transcribed Image Text:Calculate the amount of heat needed to melt 148. g of Ice (H,O) and bring It to a temperature of 54.8 C. Be sure your answer has a unit symbol and the
correct number of significant digits.
x10
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- Hello, can you please solve the rest of this chart and please show all your work. Thank you.arrow_forwardhow to do q water and cp metalarrow_forwardWhat is the % error if the theoretical value of the enthalpy of a reaction is 84 kJ and the experimental value is 34 kJ? Do not include % sign.arrow_forward
- BE’s are: C=O 799, C–H 413, O–H 467, O–O 498, H–H 432 kJ/mol CO2(g) + 4H2(g) → CH4(g) + 2H2O(g) ΔHrxn° = ___ kJ (from ΔHf°s) ΔHrxn°(BE) = ___ kJ (from BEs) = (2x799+432-4x413-4x467) CH4(g) + 2O2(g) → CO2(g) + 2H2O(g) ΔHrxn° = ___ kJ (from ΔHf°s) ΔHrxn°(BE) = ___ kJ (from BEs) ...Calculate ΔHrxn°s from both!arrow_forwardCalculate the average deviation of the following specific heat determinations: 0.18 J/g °C 0.34 J/g °C 0.27 J/g °Carrow_forward2arrow_forward
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