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Chemistry
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Balance reaction properly, and showing all work "prove" that your reaction is balanced by using the "Molar mass x coefficient" method

Ammonium Dichromate decomposes to form chromium (III) oxide, nitrogen gas, and dihydrogen monoxide

Apr 26th, 2015

(NH4)2Cr2O7 = Cr2O3 + H2O + N2

To balance the equation through coefficient method one need to assign variables to solve the equation. So,

x(NH4)2Cr2O7 = yCr2O3 +z H2O + wN2

For N:

2x=2w

For Hydrogen:

8x=2z

For Cr:

2x=2y

For Oxygen:

7x=3y+z

Suppose x= 1

Then,

2(1)=2w

W=1

8x=2z

Z= 4

2x=2y

Y=1

7x=3y+z

7(1) = 3(1) + z

Z=4

Put the values of variables in the equation and you will get the balanced chemical equation.

(NH4)2Cr2O7 = Cr2O3 +4 H2O + N2



Apr 26th, 2015

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Apr 26th, 2015
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Apr 26th, 2015
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