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303. Without making calculations, set the sign of ΔSº of the following processes:
A) 2NH3 (g) = N2 (g) + 3H2 (g)
B) CO2 (к.) = CO2 (g)
C) 2NO (g) + O2 (g) = 2NO2 (g)
D) 2H2S (g) + 3O2 (g) = 2H2O (g) + 3SO2 (g)
E) 2CH3OH (g) + 3O2 (g) = 4H2O (g) + 2CO2 (g)
A) 2NH3 (g) = N2 (g) + 3H2 (g)
B) CO2 (к.) = CO2 (g)
C) 2NO (g) + O2 (g) = 2NO2 (g)
D) 2H2S (g) + 3O2 (g) = 2H2O (g) + 3SO2 (g)
E) 2CH3OH (g) + 3O2 (g) = 4H2O (g) + 2CO2 (g)
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Solution of problem 303 of the collection on general ch
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| 100 $ | the discount is 10% |
| 50 $ | the discount is 7% |
| 20 $ | the discount is 5% |
| 10 $ | the discount is 3% |
| 5 $ | the discount is 2% |
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Cumulative discount
| 200 $ | the discount is 15% |
| 100 $ | the discount is 10% |
| 50 $ | the discount is 7% |
| 20 $ | the discount is 5% |
| 10 $ | the discount is 3% |
| 5 $ | the discount is 2% |
| 1 $ | the discount is 1% |
Check your discount
Amount of purchases from the seller: $
Your discount: %