Charles's Law

Q.

The value of the universal gas constant $R$ depends on ___.

Q.

Certain amount of a gas occupies a volume of 0.4 litre at ${17}^{\circ }C$ . to What temperature should it be heated so that its volume gets (a) doubled (b) reduced to half, pressure remaining c onnstant?

Q.

How did charles law lead to the concept of absolute scale of temperature?

Q.

(a) State Charles's law.
(b) Give its
(i) graphical representation,
(ii) mathematical expresssion and
(iii) significance.

Q.

Which of the following is/are correct graphical representation(s) of Charle's Law?

1. 

2. 

3. 

4. None of the options are correct.

Q.

Choose the correct answer:
(a) The graph of PV vs P for a gas is
(i) Parabolic
(ii) Hyperbolic
(iii) a straight line parallel to X- Axis
(iv) A straight line passing through origin
(b0 the absolute temperature value that corresponds to ${27}^{\circ }C$ is
(i) 200 K (ii) 300 K
(iii) 400 K (iv) 246 K
(c) Volume temperature relationship is gien by
(i) Boyle (ii) GAy Lussac
(iii) Dalton (iv) Charles
(d) If pressure is doubled for a fixed mass of a gas, its volume will become
(i) 4 times (ii) $\frac{1}{2}$ times
(iii) 2 itmes (iv) No change

Q.

A gas occupies 3 litres at $0^{\circ }C$ . What volume will it occupy at - ${20}^{\circ }C$ pressure remaining constant?

Q.

Which of the following expresses Charle's law?

1. $\frac{V}{T}$=constant

2. $V\times T$= constant

3. $V_1{T}_1=V_2{T}_2$

4. $\frac{P_1{V}_1}{T_1}=\frac{P_2{V}_2}{T_1}$

Q.

Which volume-temperature graph represents the behaviour of 1 mol of an ideal gas at constant pressure?

1. 

2. 

3. 

4. 

Q.

The Volume-Temperature relationship is given by ________

Q.

Give a detailed explanation of all gas laws with examples of questions solutions

Q. State the pressure and volume law both in words and in the form of an equation.

Q.

Fahrenheit and Kelvin Scales are in agreement at a reading of

1. $-40$

2. $0$

3. $574$

4. $273$

Q. The correct representation for Charles law is .

1. $\frac{V_1}{T_1}=\frac{V_2}{T_2}$
2. $V_1\times T_1=V_2\times T_2$
3. $\frac{V_1}{T_2}=\frac{V_2}{T_1}$

Q. On a ship sailing in the Pacific ocean, where the temperature is 27${}^{\circ }$C, a balloon is filled with 2 L air. What will be the volume of the balloon when the ship reaches the Indian ocean where the temperature is 29${}^{\circ }$C ? (Assume pressure is constant) [2 marks]

Q. What do you understand by standard temperature and pressure?

Q.

Convert following Kelvin temperature into Celsius.

$573\mathrm{K}$

Q.

How did Charles law state the concept of absolute scale of temperature?

Q.

Which of the following statement(s) is/ are true ?

1. At constant temperature, pressure is inversely proportional to volume.

2. At constant temperature, pressure is directly proportional to volume.

3. At constant pressure, volume is inversely proportional to temperature.

4. At constant pressure, volume is directly proportional to temperature.

Q.

112 cm³ of nitrogen is collected at a pressure of 720 mm of mercury. If the temperature remains constant, find its volume when the pressure is:

760 mm of mercury.

Q. 4) Given that $(\alpha /p\beta )=\alpha z/K_B\theta$ where p is a pressure, z is a distance, K_B is Boltzman constant and $\theta$ is temperature, the dimensions of $\beta are(usefulformulaEnergy=K_B\times tempreture)$.

Q. In Charles' law, the parameter that is kept constant is temperature.

1. False
2. True

Q.

the physical quantities which has same dimensional formula

Q. State Charles's law.

Q.

What is the relation between Kelvin and Celsius scales temperature?

1. $\mathrm{K}=273-{}^0\mathrm{C}$

2. ${}^0\mathrm{C}=\mathrm{K}-273$

3. $\mathrm{K}=273$$\times$${}^0\mathrm{C}$

4. $\mathrm{K}={}^0\mathrm{C}-273$

Q. For 1 mole of an ideal gas, pressure and volume are independent of temperature.

1. False
2. True

Q. The theoretical volume of an ideal gas at absolute zero temperature is zero.

1. False
2. True

Q. Which of the following is the correct mathematical representation of Charles's law?

1. $\frac{V_1}{T_1}=\frac{V_2}{T_2}$
2. $V_1=2T_2$
3. $V_2=2T_2$
4. $\frac{V_1}{T_2}=\frac{V_2}{T_1}$

Q.

On a ship sailing in the Pacific ocean, where the temperature is 23.4${}^{\circ }$C, a balloon is filled with 2 L air. What will be the volume of the balloon when the ship reaches the Indian ocean where the temperature is 26.1${}^{\circ }$C ?

1. 1.88L

2. 2.42 L

3. 2.0184 L

4. 1.96 L

Q.

On a ship sailing in the Pacific ocean, where the temperature is 27${}^{\circ }$C, a balloon is filled with 2 L air. What will be the volume of the balloon when the ship reaches the Indian ocean where the temperature is 29${}^{\circ }$C ?

1. 2.0184 L

2. 2.42 L

3. 1.96 L

4. 1.88L