estequiometria de las reaciones

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University
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Hard
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46 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En la reacción H2 + O2 = H2O. ¿Cuál es el producto?
H2
O2
H2O
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
En la reacción Zn +HCl = ZnCl2. + H2. Indica los coeficientes esquiómétricos que se utilizan para ajustarla, en el orden en el que aparecen las sustancias.
1, 2, 1, 2
2,1 1, 1
1, 2, 1, 1
1,1, 1, 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el nombre de la siguiente sustancia : NH3 ?
Agua
Amoniaco
Borano
Metano
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El HCl se denomina
Amoniaco
Ácido clorhídrico
Metano
Ácido sulfhídrico
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si la valencia del Ca es +2 y la valencia del O es -2 la fórmula correcta será
Ca2O2
CaO2
CaO
Ca2O
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