"A new element (Rr) has been synthesized and its properties analyzed. When 0.157g of Rro (s) is added to 125g of water at 22.2° C in a coffee cup calorimeter, the following reaction occurs. RrO(s) + H 20(1) Rr(OH) 2 (aq) AH = -83.1kj/mol Given the molar mass for Rro is 74g/mol calculate the following moles of Rro round answer to 4 decimal places omit trailing zeroes 9 rxn in joules round answer to the nearest whole number 9 water in joules round answer to the nearest whole number Final temperature round answer to 1 decimal place omit trailing zeroes" A Moving to another question will save this response.

Chemistry
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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
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Question 27
"A new element (Rr) has been synthesized and its properties analyzed. When 0.157g of RrO (s) is added to 125g of water at 22.2° C in a coffee cup calorimeter, the following reaction occurs.
RrO(s) + H 20(1) Rr(OH) 2 (aq) AH = -83.1kj/mol
Given the molar mass for Rro is 74g/mol calculate the following
moles of Rro
round answer to 4 decimal places omit trailing zeroes
9 rxn in joules
round answer to the nearest whole number
9 water in joules
round answer to the nearest whole number
Final temperature
round answer to 1 decimal place omit trailing zeroes"
A Moving to another question will save this response.
Transcribed Image Text:Question Completion Status: A Moving to another question will save this response. Question 27 "A new element (Rr) has been synthesized and its properties analyzed. When 0.157g of RrO (s) is added to 125g of water at 22.2° C in a coffee cup calorimeter, the following reaction occurs. RrO(s) + H 20(1) Rr(OH) 2 (aq) AH = -83.1kj/mol Given the molar mass for Rro is 74g/mol calculate the following moles of Rro round answer to 4 decimal places omit trailing zeroes 9 rxn in joules round answer to the nearest whole number 9 water in joules round answer to the nearest whole number Final temperature round answer to 1 decimal place omit trailing zeroes" A Moving to another question will save this response.
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