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Boyle?s law



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Q1. What is the relation between coefficient of area expansion(A) and coefficient of volume expansion(B)?

(a) B = 1.5A
(b) A = 1.5B
(c) 9.8 liter
(d) 1.7 g/L

Q2. What is the value of coefficient of volume expansion for an ideal gas?

(a) (?V/V)/? T
(b) 2*coefficient of linear expansion
(c) A = 3B
(d) B = 3A

Q3. In a constant volume gas thermometer, the pressure of liquid, at a temperature of 27?C, being measured corresponds to 50cm of mercury. If the temperature increases by 20K, find the pressure.

(a) 53.33cm
(b) 87.03cm
(c) 1/3 * coefficient of linear expansion
(d) (V/?V)/ ? T

Q4. What is the value of gas constant?

(a) 8.314 kJ mol-1K-1
(b) 8.314 L atm mol-1K-1
(c) 65.33cm
(d) 97.03cm

Q5. What is considered as zero point on the Kelvin scale?

(a) -273.15K
(b) -273.15?C
(c) 0.0821 L atm mol-1K-1
(d) It is equal to the constant in PV/T = constant

Q6. What is absolute zero?

(a) It is the minimum temperature that has been achieved
(b) It is the lowest temperature of air
(c) 0?C
(d) -273.15?C

Q7. For a constant volume gas thermometer select the correct statement.

(a) It doesn?t use mercury for pressure measurement
(b) We actually measure the pressure at constant volume and the scale is calibrated to give the temperature reading
(c) It is -273K
(d) It is the temperature at which an ideal gas will have zero pressure, assuming it stays a gas

Q8. Why can any low density gas be used in a constant volume gas thermometer?

(a) All low density gases show the same expansion behaviour
(b) They are easy to handle
(c) Any high density gas can be used
(d) Pressure ? Temp2

Q9. Boyle?s law and Charle?s law together form which law?

(a) PV/T = constant
(b) PV2/T = constant
(c) Their pressure variation is proportional to square of the change in temperature
(d) The given statement is not true

Q10. Boyle?s and Charle?s law are obeyed by low density gases only. True or False?

(a) True
(b) False
(c) PV = constant
(d) V/T = constant


0 votes
0 Answer
477 views

1° C Rise In Temperature Is Equal To A Rise Of

Modified 237 Year Ago

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477
237 Year Ago

1° C Rise In Temperature Is Equal To A Rise Of

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0 Answer
455 views

In A Closed Flask Of 5 Litres, 1.0 G Of H2 Is Headed From 300 To 600 K. Which Statement Is Not Correct

Modified 237 Year Ago

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455
237 Year Ago

In A Closed Flask Of 5 Litres, 1.0 G Of H2 Is Headed From 300 To 600 K. Which Statement Is Not Correct

0 votes
0 Answer
438 views

Equal Amounts Of Two Gases Of Molecular Weight 4 And 40 Are Mixed. The Pressure Of The Mixture Is 1.1 Atm. The Partial Pressure Of The Light Gas In This Mixture Is

Modified 237 Year Ago

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438
237 Year Ago

Equal Amounts Of Two Gases Of Molecular Weight 4 And 40 Are Mixed. The Pressure Of The Mixture Is 1.1 Atm. The Partial Pressure Of The Light Gas In This Mixture Is

0 votes
0 Answer
409 views

Assertion : Effusion Rate Of Oxygen Is Smaller Than Nitrogen. Reason : Molecular Size Of Nitrogen Is Smaller Than Oxygen.

Modified 237 Year Ago

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409
237 Year Ago

Assertion : Effusion Rate Of Oxygen Is Smaller Than Nitrogen. Reason : Molecular Size Of Nitrogen Is Smaller Than Oxygen.

0 votes
0 Answer
401 views

Molecules/ions And Their Magnetic Properties Are Given Below

Modified 237 Year Ago

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401
237 Year Ago

Molecules/ions And Their Magnetic Properties Are Given Below

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0 Answer
401 views

Assertion : We Air Is Heavier Than Dry Air. Reason : The Density Of A Dry Air Is More Than Density Of Water.

Modified 237 Year Ago

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401
237 Year Ago

Assertion : We Air Is Heavier Than Dry Air. Reason : The Density Of A Dry Air Is More Than Density Of Water.

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