
1º EM
Authored by Julia Rodrigues
Chemistry
1st Grade
Used 4+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Reação endotérmica é aquela que:
Absorve calor
Libera calor
Libera frio
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Quanto equivale 1 mol de átomos?
3,04 x 10 23
6,02 x 10 23
5,05 x 10 23
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Uma reação exotérmica é aquela que...
Absorve frio
Absorve calor
Libera calor
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Qual é a equação da variação de entalpia?
ΔH = Hp + Hr
ΔH = Hr - Hp
ΔH = Hp - Hr
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Hp na equação da entalpia significa:
Entalpia de papel
Entalpia dos reagente
Entalpia dos produtos
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
No diagrama de entalpia de reação endotérmica, a entalpia dos produtos é:
Maior que dos reagentes
Menor que dos reagentes
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
No diagrama de entalpia de reação exotérmica, a entalpia dos produtos é:
Menor que dos reagentes
Maior que dos reagentes
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