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1
| 1. N2 + O2 ↔ 2NO . () | Δ < 0 Δ > 0 Δ = 0 | |
| 2. : N2 ()+ 3H2 () ↔ 2NH3 (); Δ0 = - 92,4 (/). | -92,4 46,2 -46,2 | |
| 3. : 1) 2 () = 2 () 2) 2() = 2() 3) 2SO2() + O2()= 2SO3() | 2) 1) 3) | |
| 4. ΔG : 1) ΔG0 = -10 2) ΔG0 = 1000 3) ΔG0 = -500 | 1) 2) 3) | |
| 5 , | ∆H>0 ∆S>0 ∆H>0 ∆S<0 ∆H<0 ∆S<0 |
2
| 1. H2() +.Cl2() = 2HCl() . . | Δ > 0 Δ = 0 Δ < 0 | |
| 2. : 2C() + O2() = 2CO() ∆H= - 221 . (/) | -221 -110,5 +110,5 | |
| 3. : 1) 2CO() + O2() = O2() 2) () + CO2() = 2C() 3) N2O4() = 2NO2() | 1) 2) 3) | |
| 4. , 1) Δ > 0 ΔS = 0 2) Δ < 0 ΔS > 0 3) Δ > 0 ΔS < 0 | 1) 2) 3) | |
| 5. , : 1) ∆˂0 ∆S ˂0 2) ∆˂0 ∆S˃0 3) ∆H˃0 ∆S˂0 | 1) 2) 3) |
3
| 1. ΔU = Q - A | U, Q U Q, A | |
| 2. Δ0 : N2() + O2 () = 2NO(); Δ0 = 180 N2() + 2O2() = 2NO2 (); Δ0 = 66 Δ0 () 2NO() + 2O2() = 2NO2() | -114 | |
| 3. : 1) 2NO() + 2O2() = 2NO2() 2) CuSO4 52() = CuSO4 () + 52() 3) CaCO3() = CaO() + CO2() | 1) 2) 3) | |
| 4. Δ > 0, ΔS > 0. | ||
| 5. , SO2, O2 SO3 : 249,1; 205 256,7 /.. | -189,8 189,8 -197,4 |
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4
| 1. - | pΔV ΔH ΔU | |
| 2. Δ0(): 266() + 152() = 122() + 62() | -6260 -6076 -3130 | |
| 3. : 1) N2O4() = 2NO2() 2) Ca3() = 2() + CaO() 3) 2NO() + 2O2() = 2NO2() | 1) 2) 3) | |
| 4. , Δ0 < 0 ΔS0 ˂ 0, | ||
| 5. , N2, 2 NH3 : 191,5; 130,5 192,6 /.. | -67,3 -129,4 67,3 |
5
| 1. - | Δ ΔU A | |
| 2. : 25() + 32() = 22() + 32() Δ0 = -1367 . 25. | -80,5 -277 | |
| 3. : 1) 2NO2() = N2O4() 2) 2H2() = 2() + 2H2() 3) 3() = () + 2() | 1) 2) 3) | |
| 4. , : 1) ∆H ˂ 0 ∆S ˃ 0 2) ∆H ˃ 0 ∆S˂ 0 3) ∆H ˂ 0 ∆S˂ 0 | 1) 2) 3) | |
| 5. N2() + 3H2() ↔ 2NH3() + Q. | ∆H ˂ 0 ∆H ˃ 0 ∆H = 0 |
