3 11:58 1Intro to Calorimetry.pdfhttps:api.schoology.comv1attachment1789832671so...CHEM 1 CAS Hw : CalorimetryName : --1) Define CalorimetryDate :2) Name at least 3 errors in using plastic foam cups as calorimeters.3) Complete : Calorimetryn the basithat heatby the water in theby the thermochemical process.calorimeter is equal to the heator,Hint :Choose the order of your answer wisely.4) Define enthalpy5) If a system absorbs heat from the surroundings, under constant pressure, does the enthalpyof 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 mLof water at 23.2°C. The water temperature rises to 51.5°C. What is the mass of thestainless steel?8) A 0.205 g pellet of KOH is added to 55.9 g H20 in a Styrofoam cup calorimeter. The watertemperature 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 g8) -57.7 kJ/mol1 of 1

Changes in the thermal energy, physical state, and chemical state of the substance aids in the…

Answered: by the water in the by the…

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.

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Question

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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