1. pH=1/log[H+]
2. pH=log[1/[H+]]
3. [H+]=10-pH
4. pH=log[H+]
pH=1/log[H+]
1. CH3CHO, PCl5
2. CH3CN, P2O5
3. CH3CH2OH, NaOAc
4. CH3COCH3, H2SO4
CH<sub>3</sub>CN, P<sub>2</sub>O<sub>5</sub>
1. CH3OH,C2H6
2. C2H5OH, C2H5AgBr
3. CH3COOH, CH3CH2OH
4. C2H5OH, C2H5OH
C<sub>2</sub>H<sub>5</sub>OH, C<sub>2</sub>H<sub>5</sub>OH
1. 6σ, 2π
2. 6σ, 0π
3. 2σ, 4π
4. 2σ, 2π
2σ, 4π
1. 3R/4
2. 27R/4
3. 4/3R
4. 4/27R
4/27R
1. A and D are isotopcs
2. B and C are isodiapheres
3. C and D are isobars
4. A and B are isotopes
A and B are isotopes
1. X > Y > Z
2. Z > Y > X
3. X > Z > Y
4. Y > X > Z
X > Z > Y
1. NH3 > H2O > CO2
2. CO2 > NH3 > H2O
3. H2O > CO2 > NH3
4. H2O > NH3 > CO2
H<sub>2</sub>O > NH<sub>3</sub> > CO<sub>2</sub>
1. 22.4l
2. 67.2l
3. 11.2l
4. 44.8l
67.2l
1. 0.4 atm
2. 0.3 atm
3. 0.2 atm
4. 0.1 atm
0.4 atm