magicnike magicnike
  • 08-01-2019
  • Mathematics
contestada

PLEASE HELP FOR BOTH QUESTIONS

PLEASE HELP FOR BOTH QUESTIONS class=

Respuesta :

zcathy
zcathy zcathy
  • 08-01-2019

Answer:

2. Balanced

3. Not Balanced

Step-by-step explanation:

2. 2CaO -> 2 Ca & 2 O

   -yield-

   2Ca + O2 -> 2 Ca & 2 O

In the chart: [left] Ca: 2; O: 2 [right] Ca: 2; O: 2

3. Al2O3 -> 2 Al & 3 O

   -yield-

   Al + O2 -> 1 Al & 2 O

In the chart: [left] Al: 2; O: 3 [right] Al: 1; O: 2

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