The addition of hydrobromic acid to a silver nitrate solution precipitates silver bromide according to the reaction: AgNO₂ (aq) + HBr(aq) → AgBr(s) + HNO3(aq) When 50.0 mL of 4.00x102 M AgNO, is combined with 50.0 mL of 4.00x102 M HBr in a coffee-cup calorimeter, the temperature changes from 25.60 C to 26.42 "C. - Part A Calculate Alles for the reaction as written. Use 1.00 g/mL as the density of the solution and C, -4.18 J/(g°C) as the specific heat capacity of the solution Express the energy to two significant figures and include the appropriate units. MA ? AH- Value Units
The addition of hydrobromic acid to a silver nitrate solution precipitates silver bromide according to the reaction: AgNO₂ (aq) + HBr(aq) → AgBr(s) + HNO3(aq) When 50.0 mL of 4.00x102 M AgNO, is combined with 50.0 mL of 4.00x102 M HBr in a coffee-cup calorimeter, the temperature changes from 25.60 C to 26.42 "C. - Part A Calculate Alles for the reaction as written. Use 1.00 g/mL as the density of the solution and C, -4.18 J/(g°C) as the specific heat capacity of the solution Express the energy to two significant figures and include the appropriate units. MA ? AH- Value Units
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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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
Please help me with both parts
Transcribed Image Text:The addition of hydrobromic acid to a silver nitrate solution precipitates silver bromide according to the reaction:
AgNO₁ (aq) + HBr(aq) → AgBr(s) +HNO₂ (aq)
When 50.0 mL of 4.00x102 M AgNO, is combined with 50.0 mL of 4.00x102 M HBr in a coffee-cup calorimeter, the temperature changes from 25.60 °C to 26.42 °C.
Part A
Calculate Al for the reaction as written. Use 1.00 g/mL as the density of the solution and C, -4.18 J/(g°C) as the specific heat capacity of the solution.
Express the energy to two significant figures and include the appropriate units.
A
AH
Value
Units
![MISSED THIS? Watch (WE 9.8: Read Section 9.7
You can click on the Review link to access the
section in your eText
Zinc metal reacts with hydrochloric acid according
to the following balanced equation
Zn(s) + 2HCl(aq)
ZnCl₂(aq) + H₂(g)
When 0.111 g of Zn(s) is combined with enough
HCI to make 50.6 ml. of solution in a coffee-cup
calorimeter, all of the zinc reacts, raising the
temperature of the solution from 22.1 C1024.4
C.
Part A
Find AH for this reaction as written. (Use 1.00 g/ml. for the density of the solution and 4.18 J/(g "C) as the
specific heat capacity)
Express your answer in kilojoules per mole to two significant figures.
View Available Hint(s)
[90] ΑΣΦΑ
2
kl/mol
AH
Submit](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F609435ad-a305-4703-8ba5-9b9112b691a4%2Fa7af2df0-ed09-4502-8508-da720bed4734%2Fiyew8bo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:MISSED THIS? Watch (WE 9.8: Read Section 9.7
You can click on the Review link to access the
section in your eText
Zinc metal reacts with hydrochloric acid according
to the following balanced equation
Zn(s) + 2HCl(aq)
ZnCl₂(aq) + H₂(g)
When 0.111 g of Zn(s) is combined with enough
HCI to make 50.6 ml. of solution in a coffee-cup
calorimeter, all of the zinc reacts, raising the
temperature of the solution from 22.1 C1024.4
C.
Part A
Find AH for this reaction as written. (Use 1.00 g/ml. for the density of the solution and 4.18 J/(g "C) as the
specific heat capacity)
Express your answer in kilojoules per mole to two significant figures.
View Available Hint(s)
[90] ΑΣΦΑ
2
kl/mol
AH
Submit
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