cálculos químicos
Authored by Ruan Noronha
Chemistry
11th Grade
Used 4+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual é o principal tipo de cálculo químico usado para balancear equações químicas?
Massa atômica
Massa molecular
Cálculo estequiométrico
Mol
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual é a unidade de medida em química definida pela Constante de Avogadro?
Massa molar
Massa molecular
Massa atômica
Mol
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O que é a massa determinada para um átomo?
Massa molar
Massa molecular
Massa atômica
Mol
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual é a soma das massas atômicas de todos os átomos presentes em uma molécula?
Massa atômica
Mol
Massa molecular
Massa molar
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual é a quantidade de massa presente em 1 mol de uma entidade química?
Massa molar
Massa molecular
Massa atômica
Mol
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual elemento é usado como ponto de referência para a unidade de massa atômica (u)?
Nitrogênio
Carbono
Oxigênio
Hidrogênio
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual é o valor da massa molar para CO2?
44 g/mol
32 g/mol
16 g/mol
12 g/mol
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