
Energie p4
Quiz
•
Physics
•
8th Grade
•
Practice Problem
•
Hard
Nick Kompagnie
Used 2+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
"c" in "Q = m x c x dT" staat voor
Soortelijke massa
Soortelijke warmte
Warmte
Stookwaarde
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Stookwaarde is hetzelfde als soortelijke warmte
Niet waar
Waar
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Waar staat soortelijke warmte voor?
Hoeveel energie het kost om 1 gram stof 1 graad op te warmen.
Hoeveel gas je verbruikt om 1 gram stof 1 graad op te warmen
Hoeveel energie er vrijkomt bij de verbranding van 1 gram stof
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Er gaat 600MJ energie in een energiecentrale. Dit wordt omgezet in: 230MJ elektrische energie en 370MJ afvalwarmte. Het rendement van deze centrale is? Geef 1 cijfer achter de komma.
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Het rendement van een TL buis is 25%. De TL buis verbruikt in totaal 40 J. Hoeveel energie is er omgezet in warmte?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De stookwaarde van methaangas is 55,5 KJ/g. Hoeveel energie komt er vrij als er 15 gram gas wordt verbrand?
832.5 kJ
3.7 kJ
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kees verbrandt 0.8 gram methaangas
Joost verbrandt 1 gram butaangas
De stookwaardes zijn
Methaangas: 55 kJ/g
Butaangas: 49 kJ/g
Bij welke verbranding komt het meeste energie vrij?
Kees
Joost
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