n Completion Status: Moving to another question will save this response. n 2 new element (Rr) has been synthesized and its properties analyzed. When 0.132g of Rro (s) is added to 166g of water at 24° C in a coffee cup calorimeter, the following reaction ocurs. D(s) + H 20(1) – Rr(OH) 2 (aq) AH --74.8k/mol ven the molar mass for Rro is 62g/mol calculate the following noles of Rro 0.0021 round answer to 4 decimal places omit trailing zeroes 9 rxn in joules 160 round answer to the nearest whole number 9 water in joules I round answer to the nearest whole number Final temperature 24.2 round answer to 1 decimal place omit trailing zeroes A Moving to another question will save this response.
n Completion Status: Moving to another question will save this response. n 2 new element (Rr) has been synthesized and its properties analyzed. When 0.132g of Rro (s) is added to 166g of water at 24° C in a coffee cup calorimeter, the following reaction ocurs. D(s) + H 20(1) – Rr(OH) 2 (aq) AH --74.8k/mol ven the molar mass for Rro is 62g/mol calculate the following noles of Rro 0.0021 round answer to 4 decimal places omit trailing zeroes 9 rxn in joules 160 round answer to the nearest whole number 9 water in joules I round answer to the nearest whole number Final temperature 24.2 round answer to 1 decimal place omit trailing zeroes A Moving to another question will save this response.
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.110QP: A 29.1-mL sample of 1.05 M KOH is mixed with 20.9 mL of 1.07 M HBr in a coffee-cup calorimeter (see...
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Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
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.
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Question 2
"A new element (Rr) has been synthesized and its properties analyzed. When 0.132g of RrO (s) is added to 166g of water at 24° C in a coffee cup calorimeter, the following reaction occurs.
RrO(s) + H 20(1) – Rr(OH) 2 (aq) AH = -74.8k)/mol
Given the molar mass for RrO is 62g/mol calculate the following
moles of Rro 0.0021
round answer to 4 decimal places omit trailing zeroes
9 rxn in joules 160
round answer to the nearest whole number
9 water in joules
I round answer to the nearest whole number
Final temperature 24.2
round answer to 1 decimal place omit trailing zeroes"
A Moving to another question will save this response.
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