Exam (elaborations)
oefentoets scheikunde havo 5
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korte oefentoets havo 5
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Extra opgave ammoniumchloride.Een leerling lost 10,0 gram ammoniumchloride op in 75 mL
water. Daarbij stijgt de temperatuur van het water van 22,5
naar 29,4 graden Celsius.
Bereken de oplosenergie van ammoniumchloride in J/mol.
Stappenplan.
- Geef de oplosvergelijking van ammoniumchloride.
FIRES methode
Formule
Invullen
Rekenen
Eenheid
Significantie.
Gebruik Q = c x m x delta T.
Gebruik de voorbeeldopgave in je boek.
Denk er om, het oplossen is exotherm, dus er moet een
negatief getal uitkomen.
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