
Unidad 3 Química
Flashcard
•
Chemistry
•
10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
¿Qué fórmula resulta cuando los iones Ca+2 y Br- se combinan?
Back
CaBr2.
2.
FLASHCARD QUESTION
Front
Ajuste la reacción: H2 + O2 --> H2O
Back
2H2 + O2 --> 2H2O.
3.
FLASHCARD QUESTION
Front
Nombre del compuesto: SnO2
Back
Óxido de estaño(IV).
4.
FLASHCARD QUESTION
Front
¿Cuántos moles hay en 45 g de NaCl? Masa molecular NaCl = 58.44 g/mol
Back
0,77 moles.
5.
FLASHCARD QUESTION
Front
¿Cuántos gramos pesa un mol de carbono?
Back
12 gramos.
6.
FLASHCARD QUESTION
Front
¿Qué es un mol?
Back
Una unidad que mide la cantidad de sustancia, equivalente a 6.022 x 1023 entidades.
7.
FLASHCARD QUESTION
Front
¿Cómo se calcula la masa molar de un compuesto?
Back
Suma de las masas atómicas de todos los átomos en la fórmula del compuesto.
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