تم الحل ✓
categoryالفيزياء
schoolبكالوريوس
event_available2026-07-15
السؤال
Transcribed Image Text:
Data Set # 2
Assigned metal = aluminum
mass of metal =
=
initial temperature of metal =
mass of water in calorimeter =
initial temperature of water in
calorimeter =
25.0g
150.0 °C
150.0 g
20.0 °C
data set #
2
identity of metal =
Aluminum
mass of metal, mmetal =
25.08
initial temperature of metal, Ti,metal =
150.0 °C
mass of water, mwater =
150.0
initial temperature of water, Ti,water =
20.0°C
final temp. of water and metal, T₁ =
ANALYSIS
Calculations:
A1. (Refer back to Figure 3 for help with these calculations) The following data and calculations refer to
the water in the calorimeter. Calculate the requested quantities from your data and enter the results
in the table. Show all equations and work with units.
change in temperature of water in calorimeter =
=
24.5-20.0 4.5°C
heat energy absorbed by water in calorimeter =
1.00cal
Heat = 150.08 (182) 4.5%
82).4.5%.
Water
Master=
SHwer
150.09
1.00
AT
45°C
Qesie=>
605 cal
615 cal
A2. The following data and calculations refer to the metal Calculate the requested quantities from your
data and enter the results in the table. Show all equations and work with units.
change in temperature of the metal cylinder
ATM TE-TI
=24.5-150 = -125.5°C
how much heat energy did the metal transfer.to.the
water? (remember the Law of Conservation of Energy)
9 metal = -q water
metal=-65 cal
cat
Mal
SH
ST=
Qmatal
calculate the specific heat of the metal in show equation and work).
SH metal
metal
Mmetal (Tmetal)
= -675501
25.08-(-125.5°C)
sal
Metal
25.04
?0.215.cal/gc
-125.5°C
605 cal
= 0.215139 = 0,215 col/gc
Calculate the specific heat of the metal in (1 cal = 4.184 J) (show work). Click on the box in the
simulation that shows the value of the specific heat in these units and compare. Are your calculations
correct?
SH=0.215x
4.184J
goc
0.89956
= 0.9003/9°c
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