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1. A
   $q(\vec{V} \times \vec{B})$
2. B
   $q(\vec{B} \times \vec{V})$
3. C
   $q(\vec{E} \times \vec{V})$
4. D
   $q\vec{E} + q(\vec{V} \times \vec{B})$

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1. A
   $\frac{1}{3}$ cm
2. B
   $\frac{2}{3}$ cm
3. C
   $\frac{3}{2}$ cm
4. D
   0.2 cm

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1. A
   $2\sqrt{2}$ rad/s
2. B
   $3\sqrt{2}$ rad/s
3. C
   $2\sqrt{2.5}$ rad/s
4. D
   $3\sqrt{2.5}$ rad/s

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1. A
   $1 \times 10^{-3}$ N
2. B
   $2 \times 10^{-3}$ N
3. C
   $4 \times 10^{-3}$ N
4. D
   $0.25 \times 10^{-3}$ N

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1. A
   13 mm
2. B
   17 mm
3. C
   19 mm
4. D
   23 mm

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1. A
   $5 \times 10^{25}$
2. B
   $5 \times 10^{23}$
3. C
   $25 \times 10^{23}$
4. D
   $2.5 \times 10^{22}$

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1. A
   1 cm
2. B
   $\sqrt{2}$ cm
3. C
   2 cm
4. D
   $2\sqrt{2}$ cm

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1. A
   twice
2. B
   half
3. C
   four times
4. D
   one-fourth

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1. A
   increased by 400 J
2. B
   increased by 200 J
3. C
   increased by 100 J
4. D
   decreased by 200 J

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1. A
   9
2. B
   3
3. C
   $\frac{1}{3}$
4. D
   $\frac{1}{9}$

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1. A
   15 cm
2. B
   14 cm
3. C
   12 cm
4. D
   8 cm

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1. A
   $5\,\Omega$
2. B
   $10\,\Omega$
3. C
   $2.5\,\Omega$
4. D
   $125\,\Omega$

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1. A
   0.08
2. B
   0.8
3. C
   8
4. D
   80

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1. A
   150 nm
2. B
   122 nm
3. C
   102 nm
4. D
   82 nm

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1. A
   $\frac{\pi}{3}$
2. B
   $-\frac{\pi}{6}$
3. C
   $+\frac{\pi}{6}$
4. D
   $-\frac{\pi}{3}$

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1. A
   786 kJ
2. B
   794 kJ
3. C
   −786 kJ
4. D
   −794 kJ

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1. A
   $\text{O}_2$
2. B
   $\text{CO}_2$
3. C
   $\text{NH}_3$
4. D
   $\text{HCl}$

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1. A
   $1.21 \times 10^{-3}$ mol L$^{-1}$
2. B
   $3.228 \times 10^{-3}$ mol L$^{-1}$
3. C
   $2.831 \times 10^{-3}$ mol L$^{-1}$
4. D
   $1.811 \times 10^{-3}$ mol L$^{-1}$

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1. A
   Cyanide ion
2. B
   Ethylenediamine
3. C
   Oxalate ion
4. D
   Ethylenediaminetetraacetate

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1. A
   Propanone
2. B
   2-Methylpropene
3. C
   2-Methylpropanoic acid
4. D
   Propanal

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1. A
   −75 J
2. B
   −303.9 J
3. C
   13.3 J
4. D
   −30 J

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1. A
   Ns$^{-1}$m$^{-2}$
2. B
   Ns m$^{-2}$
3. C
   Ns m$^{2}$
4. D
   Ns$^{-1}$m$^{-1}$

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1. A
   1.0 K kg mol$^{-1}$
2. B
   1.4 K kg mol$^{-1}$
3. C
   2.4 K kg mol$^{-1}$
4. D
   1.8 K kg mol$^{-1}$

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1. A
   Nylon 6,6
2. B
   Buna-S
3. C
   Terylene
4. D
   Polythene

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1. A
   $1.34 \times 10^{-4}$
2. B
   $1.54 \times 10^{-4}$
3. C
   $1.80 \times 10^{-4}$
4. D
   $1.70 \times 10^{-4}$

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