Molecular Speeds and Maxwell – Boltzmann Distribution Curves
CHXI06:STATES OF MATTER

314329 In the following graph, the dotted line at stage D represents
supporting img

1 \(\mathrm{\sqrt{\dfrac{2 R T}{M}}}\)
2 \(\mathrm{\sqrt{\dfrac{3 R T}{M}}}\)
3 \(\mathrm{\sqrt{\dfrac{8 R T}{\pi M}}}\)
4 \(\mathrm{\sqrt{\dfrac{\pi R T}{8 M}}}\)
CHXI06:STATES OF MATTER

314330 The average speed at temperature \(\mathrm{T^{\circ} \mathrm{C}}\) of \({\rm{C}}{{\rm{H}}_{\rm{4}}}{\rm{(\;g)}}\) is \(\mathrm{\sqrt{\dfrac{28}{88}} \times 10^{3} \mathrm{~ms}^{-1}}\). What is the value of \(\mathrm{\mathrm{T}}\) ?

1 \({\rm{24055^\circ C}}\)
2 \(\mathrm{-32.45^{\circ} \mathrm{C}}\)
3 \(\mathrm{3000^{\circ} \mathrm{C}}\)
4 \(\mathrm{-24.055^{\circ} \mathrm{C}}\)
CHXI06:STATES OF MATTER

314331 The most probable velocity of molecules of an imaginary ideal gas at \(\mathrm{27^{\circ} \mathrm{C}}\) in \(\mathrm{0.3 \mathrm{~m} / \mathrm{s}}\). The average velocity at \(\mathrm{927^{\circ} \mathrm{C}}\) would be

1 \(\mathrm{0.3 \mathrm{~m} / \mathrm{s}}\)
2 \(\mathrm{0.677 \mathrm{~m} / \mathrm{s}}\)
3 \(\mathrm{0.9 \mathrm{~m} / \mathrm{s}}\)
4 \(\mathrm{1.2 \mathrm{~m} / \mathrm{s}}\)
CHXI06:STATES OF MATTER

314332 At what temperature would the average velocity of \(\mathrm{\mathrm{CO}}\) be equal to the of \(\mathrm{\mathrm{CO}_{2}}\) ?

1 \(\mathrm{(x+273) \times \dfrac{7}{11}}\)
2 \(\mathrm{(x+273) \times \dfrac{11}{7}}\)
3 \(\mathrm{x \times \dfrac{7}{11}}\)
4 \(\mathrm{x \times \dfrac{11}{17}}\)
CHXI06:STATES OF MATTER

314329 In the following graph, the dotted line at stage D represents
supporting img

1 \(\mathrm{\sqrt{\dfrac{2 R T}{M}}}\)
2 \(\mathrm{\sqrt{\dfrac{3 R T}{M}}}\)
3 \(\mathrm{\sqrt{\dfrac{8 R T}{\pi M}}}\)
4 \(\mathrm{\sqrt{\dfrac{\pi R T}{8 M}}}\)
CHXI06:STATES OF MATTER

314330 The average speed at temperature \(\mathrm{T^{\circ} \mathrm{C}}\) of \({\rm{C}}{{\rm{H}}_{\rm{4}}}{\rm{(\;g)}}\) is \(\mathrm{\sqrt{\dfrac{28}{88}} \times 10^{3} \mathrm{~ms}^{-1}}\). What is the value of \(\mathrm{\mathrm{T}}\) ?

1 \({\rm{24055^\circ C}}\)
2 \(\mathrm{-32.45^{\circ} \mathrm{C}}\)
3 \(\mathrm{3000^{\circ} \mathrm{C}}\)
4 \(\mathrm{-24.055^{\circ} \mathrm{C}}\)
CHXI06:STATES OF MATTER

314331 The most probable velocity of molecules of an imaginary ideal gas at \(\mathrm{27^{\circ} \mathrm{C}}\) in \(\mathrm{0.3 \mathrm{~m} / \mathrm{s}}\). The average velocity at \(\mathrm{927^{\circ} \mathrm{C}}\) would be

1 \(\mathrm{0.3 \mathrm{~m} / \mathrm{s}}\)
2 \(\mathrm{0.677 \mathrm{~m} / \mathrm{s}}\)
3 \(\mathrm{0.9 \mathrm{~m} / \mathrm{s}}\)
4 \(\mathrm{1.2 \mathrm{~m} / \mathrm{s}}\)
CHXI06:STATES OF MATTER

314332 At what temperature would the average velocity of \(\mathrm{\mathrm{CO}}\) be equal to the of \(\mathrm{\mathrm{CO}_{2}}\) ?

1 \(\mathrm{(x+273) \times \dfrac{7}{11}}\)
2 \(\mathrm{(x+273) \times \dfrac{11}{7}}\)
3 \(\mathrm{x \times \dfrac{7}{11}}\)
4 \(\mathrm{x \times \dfrac{11}{17}}\)
CHXI06:STATES OF MATTER

314329 In the following graph, the dotted line at stage D represents
supporting img

1 \(\mathrm{\sqrt{\dfrac{2 R T}{M}}}\)
2 \(\mathrm{\sqrt{\dfrac{3 R T}{M}}}\)
3 \(\mathrm{\sqrt{\dfrac{8 R T}{\pi M}}}\)
4 \(\mathrm{\sqrt{\dfrac{\pi R T}{8 M}}}\)
CHXI06:STATES OF MATTER

314330 The average speed at temperature \(\mathrm{T^{\circ} \mathrm{C}}\) of \({\rm{C}}{{\rm{H}}_{\rm{4}}}{\rm{(\;g)}}\) is \(\mathrm{\sqrt{\dfrac{28}{88}} \times 10^{3} \mathrm{~ms}^{-1}}\). What is the value of \(\mathrm{\mathrm{T}}\) ?

1 \({\rm{24055^\circ C}}\)
2 \(\mathrm{-32.45^{\circ} \mathrm{C}}\)
3 \(\mathrm{3000^{\circ} \mathrm{C}}\)
4 \(\mathrm{-24.055^{\circ} \mathrm{C}}\)
CHXI06:STATES OF MATTER

314331 The most probable velocity of molecules of an imaginary ideal gas at \(\mathrm{27^{\circ} \mathrm{C}}\) in \(\mathrm{0.3 \mathrm{~m} / \mathrm{s}}\). The average velocity at \(\mathrm{927^{\circ} \mathrm{C}}\) would be

1 \(\mathrm{0.3 \mathrm{~m} / \mathrm{s}}\)
2 \(\mathrm{0.677 \mathrm{~m} / \mathrm{s}}\)
3 \(\mathrm{0.9 \mathrm{~m} / \mathrm{s}}\)
4 \(\mathrm{1.2 \mathrm{~m} / \mathrm{s}}\)
CHXI06:STATES OF MATTER

314332 At what temperature would the average velocity of \(\mathrm{\mathrm{CO}}\) be equal to the of \(\mathrm{\mathrm{CO}_{2}}\) ?

1 \(\mathrm{(x+273) \times \dfrac{7}{11}}\)
2 \(\mathrm{(x+273) \times \dfrac{11}{7}}\)
3 \(\mathrm{x \times \dfrac{7}{11}}\)
4 \(\mathrm{x \times \dfrac{11}{17}}\)
CHXI06:STATES OF MATTER

314329 In the following graph, the dotted line at stage D represents
supporting img

1 \(\mathrm{\sqrt{\dfrac{2 R T}{M}}}\)
2 \(\mathrm{\sqrt{\dfrac{3 R T}{M}}}\)
3 \(\mathrm{\sqrt{\dfrac{8 R T}{\pi M}}}\)
4 \(\mathrm{\sqrt{\dfrac{\pi R T}{8 M}}}\)
CHXI06:STATES OF MATTER

314330 The average speed at temperature \(\mathrm{T^{\circ} \mathrm{C}}\) of \({\rm{C}}{{\rm{H}}_{\rm{4}}}{\rm{(\;g)}}\) is \(\mathrm{\sqrt{\dfrac{28}{88}} \times 10^{3} \mathrm{~ms}^{-1}}\). What is the value of \(\mathrm{\mathrm{T}}\) ?

1 \({\rm{24055^\circ C}}\)
2 \(\mathrm{-32.45^{\circ} \mathrm{C}}\)
3 \(\mathrm{3000^{\circ} \mathrm{C}}\)
4 \(\mathrm{-24.055^{\circ} \mathrm{C}}\)
CHXI06:STATES OF MATTER

314331 The most probable velocity of molecules of an imaginary ideal gas at \(\mathrm{27^{\circ} \mathrm{C}}\) in \(\mathrm{0.3 \mathrm{~m} / \mathrm{s}}\). The average velocity at \(\mathrm{927^{\circ} \mathrm{C}}\) would be

1 \(\mathrm{0.3 \mathrm{~m} / \mathrm{s}}\)
2 \(\mathrm{0.677 \mathrm{~m} / \mathrm{s}}\)
3 \(\mathrm{0.9 \mathrm{~m} / \mathrm{s}}\)
4 \(\mathrm{1.2 \mathrm{~m} / \mathrm{s}}\)
CHXI06:STATES OF MATTER

314332 At what temperature would the average velocity of \(\mathrm{\mathrm{CO}}\) be equal to the of \(\mathrm{\mathrm{CO}_{2}}\) ?

1 \(\mathrm{(x+273) \times \dfrac{7}{11}}\)
2 \(\mathrm{(x+273) \times \dfrac{11}{7}}\)
3 \(\mathrm{x \times \dfrac{7}{11}}\)
4 \(\mathrm{x \times \dfrac{11}{17}}\)
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