Determina los coeficientes de balanceo para los productos en la siguiente reacción:
PIPN_QUÍMICA_EXAMEN 3

Quiz
•
Chemistry
•
University
•
Hard
Juan Sánchez
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6, 2, 3
1, 5, 6
4, 2, 3
3, 2, 4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.- En la siguiente reacción química ¿qué elemento se oxida?
H₂S
S
N
HNO₃
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.- Determina la masa molecular del tiocianato de aluminio Al(SCN)₃. Considera las masa atómicas (g/mol): Al= 27, S= 32, C= 12, N= 14.
201 g/mol
143 g/mol
341 g/mol
102 g/mol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.- ¿Cuántos gramos hay en 4.76 mol de HNO₃? Considere la masa molar del HNO₃ = 63 g/mol
301.22 g
201.15 g
199.17 g
299.88 g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.- ¿Cuántas moléculas de NaBr existirán en 2.4 mol del mismo?
11.18x10²³
14.45x10²³
11.18x10²¹
14.45x10²⁶
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.- Relaciona las sustancias con su propiedad distintiva:
1AC, 2BD
1CD, 2AB
1AB, 2CD
1BD, 2AC
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.- Los termos para café son un claro ejemplo de sistema ________ debido a que tratan de evitar el intercambio de materia y energía con su entorno.
Cerrado
Aislado
Perfecto
Abierto
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