Quiz revisão - agroindustria

Quiz
•
Chemistry
•
11th Grade
•
Hard
gabriela g
Used 6+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O número de moléculas de açúcar (C6H12O6) em um mol?
24 moléculas
180 g
180 moléculas
6.02 x 1023 moléculas
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O que é 6,02x10²³ ?
Constante de Planck.
Velocidade da Luz.
Constante de Avogadro.
Número de mols.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Em toda reação química, a massa total das substâncias que reagem é igual à massa total dos produtos obtidos.
Verdade
Mentira
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Determine os coeficientes estequiométricos para que a reação química esteja igualada.
a C3H8 + b O2 → c CO2 + d H2O
a=1 , b=5 , c=3 , d=4
a=1 , b=5 , c=3 , d=3
a=1 , b=4 , c=3 , d=4
a=2 , b=5 , c=3 , d=4
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Massa molar do HCl:
35,5 g/mol
18 g/mol
38 g/mol
36,5 g/mol
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Massa molar do NH3
17 g/mol
24 g/mol
10 g/mol
14 g/mol
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Massa molar do C12H22O11
180g/mol
45 g/mol
342 g/mol
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