Calorimetry & Specific Heat Lab Warm-Up
Presentation
•
Chemistry
•
11th Grade
•
Medium
Standards-aligned
Kristy Hilt
Used 9+ times
FREE Resource
3 Slides • 6 Questions
1
Calorimetry & Specific Heat Lab Warm-Up
By Kristy Hilt
2
Open Ended
Substances A and B are the same mass and at the same initial temperature. When the same amount of heat is added to each, the final temperature of A is 75 °C and B is 35 °C.
What does this tell you about the specific heats of substances A and B?
3
Multiple Choice
If two objects have different temperatures when they come in contact, heat will flow from the warmer object to the cooler one UNTIL ____________
one reaches a temperature of zero
they both have an equal temperature
one runs out of energy
4
Multiple Choice
Calorimeters use insulating materials, such as Styrofoam coffee cups, to:
5
Multiple Choice
Two metals of equal mass but different specific heats absorb the same amount of heat. Which metal undergoes the smaller change in temperature?
the metal with the higher specific heat
the metal with the lower specific heat
both undergo the same change in temperature
cannot determine from the information given
6
Multiple Choice
A metal cube at temperature of 70°C is immersed in water at temperature of 20°C. The metal _______ heat while the water __________ heat.
gains, loses
loses, gains
7
Multiple Choice
Calorimetry Calculation Question:
A piece of metal with a mass of 32.8 g is heated to 100.5°C and dropped into 138.2 g of water at 20.0°C. The final temperature of the system is 30.2°C. What is the specific heat capacity of the metal?
2.56 J/g°C
0.391 J/g°C
5.29 J/g°C
3.50 J/g°C
8
Lab: Calorimetry & Specific Heat
Materials
400 mL beaker (hot water bath)
Hot Plate
Tongs (beaker and normal)
Thermometer
Styrofoam Calorimeter Cup
Throughout Lab....
Metal Samples 1, 2, and 3
Tap Water
Paper Towels
9
Lab: Calorimetry & Specific Heat
With your lab group, determine the specific heat of 3 different metal samples to determine the identify of the metal.
READ THE PROCEDURES BEFORE DOING ANYTHING.
SHOW ALL OF YOUR WORK WHEN CALCULATING.
Lab worksheet is due by the end of the class period, everyone must submit their own.
Calorimetry & Specific Heat Lab Warm-Up
By Kristy Hilt
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