
Exploring Thermochemistry Concepts
Authored by Lorena Braz
Chemistry
2nd Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a variação padrão de entalpia de formação para um elemento em sua forma mais estável?
0 kJ/mol
100 kJ/mol
50 kJ/mol
25 kJ/mol
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma reação exotérmica, a entalpia dos produtos é:
Maior que a entalpia dos reagentes
Menor que a entalpia dos reagentes
Igual à entalpia dos reagentes
Não relacionada à entalpia dos reagentes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes é uma função de estado?
Calor
Trabalho
Entalpia
Distância
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes afirmações é verdadeira para um processo espontâneo a temperatura e pressão constantes?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a unidade de entropia no Sistema Internacional de Unidades (SI)?
Joules (J)
Joules por Kelvin (J/K)
Kelvin (K)
Joules por mol (J/mol)
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