Evaluación de Química 2 BGU

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Andrea Cicenia
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MATCH QUESTION
2 mins • 1 pt
Relaciona los conceptos con la fórmula correcta, coloca los números en los casilleros correspondientes:
N=m/PM
Fórmula para calcular moles
(6,022 x 1023) (n)
Fórmula para calcular el número de átomos o moléculas
M=n(PM)
Fórmula para calcular gramos
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cuál es el peso molecular del dióxido de carbono (CO2)?
30 g/mol
44 g/mol
12 g/mol
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cuántos átomos hay en 2 gramos de hidrógeno (H)?
1.204 x 1024
1.204 x 1025
1204 x 1024
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál es el número de átomos de oxígeno (O) en una molécula de ácido sulfúrico (H2SO4)?
2
4
7
6
5.
DROPDOWN QUESTION
1 min • 1 pt
Un (a) de una sustancia es igual a (b) unidades de esa sustancia (tal como átomos, moléculas, o iones). El número 6.022 × 10²³ se conoce como (c) .
6.
MATH RESPONSE QUESTION
3 mins • 1 pt
1 mol de oro ¿Cuántos átomos tiene?
Mathematical Equivalence
ON
7.
MATH RESPONSE QUESTION
3 mins • 1 pt
¿Cuántos átomos tienen 15 moles de agua (H2O)?
Mathematical Equivalence
ON
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