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§2 Heating
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Slide 1:
Slide
Natuurkunde
Middelbare school
vwo
Leerjaar 3
This lesson contains
11 slides
, with
interactive quizzes
and
text slides
.
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Items in this lesson
Slide 1 - Slide
Learning objectives:
- You know what the specific heat is and can perform calculations with it.
Slide 2 - Slide
Energy flow diagram
Slide 3 - Slide
Specific heat
The specific heat of a substance is the amount of energy required to increase the tempeture of 1 gram of any substance by 1 degree.
From water it is:
The character is
c
(small letter)
This is a substance property.
4
,
2
J
g
⋅
0
C
/
Slide 4 - Slide
c = Specific heat
Slide 5 - Slide
Calculations with specific heat
Formula : Q = c x m x ΔT
Q = heat in joules (J)
c = specific heat in joules per gram per degree Celsius (J/g.
o
C)
m = quantity of a substance in grams (g)
ΔT= temperature increas: = T
end
- T
start
(
o
C)
Slide 6 - Slide
Make assignment 2 of the worksheet.
Slide 7 - Open question
Slide 8 - Slide
Make assignment 3 of the worksheet.
(final answer 2 decimals)
Slide 9 - Open question
Slide 10 - Slide
Finishing the worksheet.
Slide 11 - Slide
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