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by the water in the by the thermochemical process. 3) Complete : Calorimetry works on the basis that heat. calorimeter is equal to the heat. or Hint :Choose the order of your answer wisely.

by the water in the by the thermochemical process. 3) Complete : Calorimetry works on the basis that heat. calorimeter is equal to the heat. or Hint :Choose the order of your answer wisely.

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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11:58 1 Intro to Calorimetry.pdf https:api.schoology.comv1attachment1789832671so... CHEM 1 CAS Hw : Calorimetry Name : -- 1) Define Calorimetry Date : 2) Name at least 3 errors in using plastic foam cups as calorimeters. 3) Complete : Calorimetry n the basi that heat by the water in the by the thermochemical process. calorimeter is equal to the heat or, Hint :Choose the order of your answer wisely. 4) Define enthalpy 5) If a system absorbs heat from the surroundings, under constant pressure, does the enthalpy of the system increase or decrease? 6) 75.0 g Ag is heated to 80.0OC and dropped into 50.0 g H20 at 23.2°C in a coffee cup. The final temperature of the mixture is 27.6 °C. What is the specific heat of silver, in J/g°C? 7) A piece of stainless steel (S - 0.50 J/g°C) is transferred from an oven (183.0°C) to 125 mL of water at 23.2°C. The water temperature rises to 51.5°C. What is the mass of the stainless steel? 8) A 0.205 g pellet of KOH is added to 55.9 g H20 in a Styrofoam cup calorimeter. The water temperature rises from 23.56°C to 24.46°C. What is the heat of solution of KOH in kJ/mol? Assume that the specific heat of dilute KOH(aq) is the same as that of water. Answers: 6) 0.23 J/g°C 7) 230 g 8) -57.7 kJ/mol 1 of 1
Transcribed Image Text:11:58 1 Intro to Calorimetry.pdf https:api.schoology.comv1attachment1789832671so... CHEM 1 CAS Hw : Calorimetry Name : -- 1) Define Calorimetry Date : 2) Name at least 3 errors in using plastic foam cups as calorimeters. 3) Complete : Calorimetry n the basi that heat by the water in the by the thermochemical process. calorimeter is equal to the heat or, Hint :Choose the order of your answer wisely. 4) Define enthalpy 5) If a system absorbs heat from the surroundings, under constant pressure, does the enthalpy of the system increase or decrease? 6) 75.0 g Ag is heated to 80.0OC and dropped into 50.0 g H20 at 23.2°C in a coffee cup. The final temperature of the mixture is 27.6 °C. What is the specific heat of silver, in J/g°C? 7) A piece of stainless steel (S - 0.50 J/g°C) is transferred from an oven (183.0°C) to 125 mL of water at 23.2°C. The water temperature rises to 51.5°C. What is the mass of the stainless steel? 8) A 0.205 g pellet of KOH is added to 55.9 g H20 in a Styrofoam cup calorimeter. The water temperature rises from 23.56°C to 24.46°C. What is the heat of solution of KOH in kJ/mol? Assume that the specific heat of dilute KOH(aq) is the same as that of water. Answers: 6) 0.23 J/g°C 7) 230 g 8) -57.7 kJ/mol 1 of 1
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