
Quiz de Eletroquímica e Termoquímica
Authored by CAMILA LARA
Chemistry
10th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma pilha eletroquímica, qual é o nome do eletrodo onde ocorre a oxidação?
Cátodo
Ânodo
Eletrólito
Salina
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas abaixo representa uma reação exotérmica?
Fusão do gelo
Evaporação da água
Combustão do etanol
Fotossíntese
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A reação é endotérmica
A reação é exotérmica
Não há troca de energia
Ocorre absorção de calor
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas representa corretamente a definição de entalpia de ligação?
Energia liberada na formação de 1 mol de substância a partir de seus elementos
Energia necessária para quebrar 1 mol de ligações em moléculas no estado gasoso
Energia absorvida na combustão completa de 1 mol de substância
Energia liberada na dissolução de 1 mol de substância
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