When a gas is heated the particles move more quickly. What is the change in volume of a heated gas if the pressure is kept constant ?

When a gas is heated the particles move more quickly. What is the change in volume of a heated gas if the pressure is kept constant ?
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When a gas is heated the particles move more quickly. What is the change in volume of a heated gas if the pressure is kept constant ?
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If the pressure of a gas is increased by a factor of 4, and the temperature is kept constant, the volume of the gas will change by which of the following factors? w) 4 x) 2 y) 1/2 z) 1/4

Description : If the pressure of a gas is increased by a factor of 4, and the temperature is kept constant, the volume of the gas will change by which of the following factors? w) 4 x) 2 y) 1/2 z) 1/4

Last Answer : ANSWER: Z -- 1/4

Two cubic meters of a gas at 30 degrees Kelvin are heated at a constant pressure until the volume doubles. What is the final temperature of the gas?

Description : Two cubic meters of a gas at 30 degrees Kelvin are heated at a constant pressure until the volume doubles. What is the final temperature of the gas?

Last Answer : 60

A gas having a volume of100 ft³ at 27ºC is expanded to 120 ft³by heated at constant pressure to what temperature has it been heated to have this new volume?  a. 87°C  b. 85°C  c. 76°C  d. 97°C t2= T2–T1

Description : A gas having a volume of100 ft³ at 27ºC is expanded to 120 ft³by heated at constant pressure to what temperature has it been heated to have this new volume?  a. 87°C  b. 85°C  c. 76°C  d. 97°C t2= T2–T1

Last Answer : 87°C

Gas is enclosed in a cylinder with a weighted piston as the stop boundary. The gas is heated and expands from a volume of 0.04 m^3 to 0.10 m^3 at a constant pressure of 200kPa.Calculate the work done by the system.  A. 8 kJ  B. 10 kJ  C.12 kJ  D.14 kJ Formula: W = p(V2-V1)

Description : Gas is enclosed in a cylinder with a weighted piston as the stop boundary. The gas is heated and expands from a volume of 0.04 m^3 to 0.10 m^3 at a constant pressure of 200kPa.Calculate the work done by the system.  A. 8 kJ  B. 10 kJ  C.12 kJ  D.14 kJ Formula: W = p(V2-V1)

Last Answer : 12 kJ

A gas is enclosed in a cylinder with a weighted piston as the top boundary. The gas is heated and expands from a volume of 0.04 m3 to 0.10 m3 at a constant pressure of 200 kPa. Find the work done on the system.  a. 5 kJ  b. 15 kJ  c. 10 kJ  d. 12 kJ

Description : A gas is enclosed in a cylinder with a weighted piston as the top boundary. The gas is heated and expands from a volume of 0.04 m3 to 0.10 m3 at a constant pressure of 200 kPa. Find the work done on the system.  a. 5 kJ  b. 15 kJ  c. 10 kJ  d. 12 kJ

Last Answer : 12 kJ

A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is  (a) 54°C  (b) 327°C  (c) 108°C  (d) 654°C  (e) 600°C

Description : A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is  (a) 54°C  (b) 327°C  (c) 108°C  (d) 654°C  (e) 600°C

Last Answer : Answer : b

If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to  (a) + v  (b) – ve  (c) zero  (d) pressure x volume  (e) any where between zero and infinity.

Description : If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to  (a) + v  (b) – ve  (c) zero  (d) pressure x volume  (e) any where between zero and infinity.

Last Answer : Answer : c

Which of the following is the best example of law of conservation of mass? [NCERT 1975] (A) 12 g of carbon combines with 32 g of oxygen to form 44 g of CO2. (B) When 12 g of carbon is heated in a vacuum there is no change in mass. (C) A sample of air increases in volume when heated at constant pressure but its mass remains unaltered. (D) The weight of a piece of platinum is the same before and after heating in air.

Description : Which of the following is the best example of law of conservation of mass? [NCERT 1975] (A) 12 g of carbon combines with 32 g of oxygen to form 44 g of CO2. (B) When 12 g of carbon is ... mass remains unaltered. (D) The weight of a piece of platinum is the same before and after heating in air.

Last Answer : (A) 12 g of carbon combines with 32 g of oxygen to form 44 g of CO2.

What happens to the volume of gas when its temperature is raised and its pressure is kept constant?

Description : What happens to the volume of gas when its temperature is raised and its pressure is kept constant?

Last Answer : Need answer

For a perfect gas, according to Boyle’s law (where p = Absolute pressure, v = Volume, and T = Absolute temperature)  A. p v = constant, if T is kept constant  B. v/T = constant, if p is kept constant  C. p/T = constant, if v is kept constant  D. T/p = constant, if v is kept constant

Description : For a perfect gas, according to Boyle’s law (where p = Absolute pressure, v = Volume, and T = Absolute temperature)  A. p v = constant, if T is kept constant  B. v/T = constant, if p is kept constant  C. p/T = constant, if v is kept constant  D. T/p = constant, if v is kept constant

Last Answer : Answer: A

According to Gay-Lussac law for a perfect gas, the absolute pressure of given mass varies directly as  (a) temperature  (b) absolute  (c) absolute temperature, if volume is kept constant (d) volume, if temperature is kept constant  (e) remains constant,if volume and temperature are kept constant.

Description : According to Gay-Lussac law for a perfect gas, the absolute pressure of given mass varies directly as  (a) temperature  (b) absolute  (c) absolute temperature, if volume is kept constant ... , if temperature is kept constant  (e) remains constant,if volume and temperature are kept constant.

Last Answer : Answer : c

What is the resulting pressure when one pound of air at 15 psia and 200 ˚F is heated at constant volume to 800 ˚F?  A.15 psia  B. 28.6 psia  C. 36.4 psia.  D. 52.1 psia Formula : T1/p1 = T2/p2 p2= p1T2 / T1

Description : What is the resulting pressure when one pound of air at 15 psia and 200 ˚F is heated at constant volume to 800 ˚F?  A.15 psia  B. 28.6 psia  C. 36.4 psia.  D. 52.1 psia Formula : T1/p1 = T2/p2 p2= p1T2 / T1

Last Answer : 28.6 psia

Gas being heated at constant volume is undergoing the process of.  a. isometric  b. specific heat  c. enthalpy  d. isothermal

Description : Gas being heated at constant volume is undergoing the process of.  a. isometric  b. specific heat  c. enthalpy  d. isothermal

Last Answer : isometric

When the gas is heated at constant volume, the heat supplied increases the internal energy of the gas.  A.True  B.False

Description : When the gas is heated at constant volume, the heat supplied increases the internal energy of the gas.  A.True  B.False

Last Answer : Answer: A

An ideal gas is heated at constant volume and then expanded isothermally. Show processes on P-V & T-S diagrams.

Description : An ideal gas is heated at constant volume and then expanded isothermally. Show processes on P-V & T-S diagrams.

Last Answer : Process 1-2 : Constant volume process Process 2-3 : Constant temperature process (Isothermal process)

What is the relationship between volume and temperature of gases when pressure is kept constant?

Description : What is the relationship between volume and temperature of gases when pressure is kept constant?

Last Answer : Volume of a fixed mass of gas is directly proportional to its absolute temperature.

The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. (A) 25 (B) > 25 (C) < 25 (D) - 25

Description : The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. (A) 25 (B) > 25 (C) < 25 (D) - 25

Last Answer : (B) > 25

An ideal gas at 45psig and 80ºF is heated in the close container to 130ºF. What is the final pressure?  a. 65.10 psi  b. 65.11 psi  c. 65.23 psi  d. 61.16 psi P1V1/T1= P2V2/T2;V = Constant

Description : An ideal gas at 45psig and 80ºF is heated in the close container to 130ºF. What is the final pressure?  a. 65.10 psi  b. 65.11 psi  c. 65.23 psi  d. 61.16 psi P1V1/T1= P2V2/T2;V = Constant

Last Answer : 65.23 psi

Non uniform flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at successive periods of time (C) Velocity, depth, pressure, etc. change from point to point in the fluid flow. (D) The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

Description : Non uniform flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at ... The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

Last Answer : Answer: Option C

Which of the following statement is false? a.The potential energy of a particle has the form Ep = k2x. The force acting on the particle is constant (k is a constant) b.The linear velocity of bodies near the earth's equator (due to rotation of earth) is more than the velocities of particles at the pole c.107 dynes d.A cyclist should move along a zig-zag path while ascending a steep hill e.The density of milk decreases when cream is taken out of milk

Description : Which of the following statement is false? a.The potential energy of a particle has the form Ep = k2x. The force acting on the particle is constant (k is a constant) b.The linear velocity of ... zag path while ascending a steep hill e.The density of milk decreases when cream is taken out of milk

Last Answer : e. The density of milk decreases when cream is taken out of milk

What ideal gas is stored in a container at constant volume. If the temperature (T) were increased to 3T what would be the change in pressure (P)?

Description : What ideal gas is stored in a container at constant volume. If the temperature (T) were increased to 3T what would be the change in pressure (P)?

Last Answer : Feel Free to Answer

The expression, ∆G = nRT. ln(P2/P1), gives the free energy change (A) With pressure changes at constant temperature (B) Under reversible isothermal volume change (C) During heating of an ideal gas (D) During cooling of an ideal gas

Description : The expression, ∆G = nRT. ln(P2/P1), gives the free energy change (A) With pressure changes at constant temperature (B) Under reversible isothermal volume change (C) During heating of an ideal gas (D) During cooling of an ideal gas

Last Answer : (A) With pressure changes at constant temperature

“If the temperature o f a fixed quantity of a gas is held constant during a change of state, the volume varies inversely with the absolute pressure.  a. Charle’s Law  b. Boyle’s Law  c. Dalton’s Law  d. Amagat’s Law

Description : “If the temperature o f a fixed quantity of a gas is held constant during a change of state, the volume varies inversely with the absolute pressure.  a. Charle’s Law  b. Boyle’s Law  c. Dalton’s Law  d. Amagat’s Law

Last Answer : Boyle’s Law

If the volume of a gas changes by a factor of 3, with pressure remaining constant, the temperature in Kelvin will change by a factor of: w) 1/9 x) 1/3 y) 3 z) 9

Description : If the volume of a gas changes by a factor of 3, with pressure remaining constant, the temperature in Kelvin will change by a factor of: w) 1/9 x) 1/3 y) 3 z) 9

Last Answer : ANSWER: Y -- 3

A sheriff is in hot pursuit of the notorious bank robber Black Bart. The six-shooters of the lawman and the criminal glisten in the sun, as Black Bart speeds his way on foot to the first horse he sees, and quickly mounts it. The sheriff, in hot pursuit, jumps on the back of the closest steed he can find, and continues the heated chase, but he is unable to close the gap between them. After a short time, a man and a woman, who are witnessing the chase, shout out loudly to the lawman and the criminal, 'Meet you at the saloon in 30 minutes for something cold!' What is going on in this strange scenario, and who are the man and the woman who shouted out the invitation to the saloon? -Riddles

Description : A sheriff is in hot pursuit of the notorious bank robber Black Bart. The six-shooters of the lawman and the criminal glisten in the sun, as Black Bart speeds his way on foot to the first horse he ... scenario, and who are the man and the woman who shouted out the invitation to the saloon? -Riddles

Last Answer : The 'sheriff' and 'Black Bart' are two children pretending to be a lawman chasing an outlaw, and are riding horses on a merry-go-round at an amusement park or a western tourist town. The man and the woman are their parents who are inviting them to the 'saloon' for some cold drinks or ice cream.

In the sea breeze, which onsets quickly (< 3 hours), air tends to move . (a) From areas of high pressure to low pressure (b) From areas of low pressure to high pressure (c) Along lines of equal pressure (isobars) (d) Across lines of equal pressure (isobars)

Description : In the sea breeze, which onsets quickly (< 3 hours), air tends to move . (a) From areas of high pressure to low pressure (b) From areas of low pressure to high pressure (c) Along lines of equal pressure (isobars) (d) Across lines of equal pressure (isobars)

Last Answer : From areas of high pressure to low pressure

In the sea breeze, which onsets quickly (< 3 hours), air tends to move . (a) From areas of high pressure to low pressure (b) From areas of low pressure to high pressure (c) Along lines of equal pressure (isobars) (d) Across lines of equal pressure (isobars)

Description : In the sea breeze, which onsets quickly (< 3 hours), air tends to move . (a) From areas of high pressure to low pressure (b) From areas of low pressure to high pressure (c) Along lines of equal pressure (isobars) (d) Across lines of equal pressure (isobars)

Last Answer : (a) From areas of high pressure to low pressure

Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is (A) 4 (B) 3 (C) 2 (D) 1

Description : Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is (A) 4 (B) 3 (C) 2 (D) 1

Last Answer : (A) 4

Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter? (a) Larvae could appear in decaying organic matter. (b) Microbes did not appear in stored meat. (c) Microbes appeared from unsterilised organic matter. (d) Meat was not spoiled, when heated and kept sealed in a vessel.

Description : Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter? (a) Larvae could appear in decaying organic matter. (b) Microbes did not ... matter. (d) Meat was not spoiled, when heated and kept sealed in a vessel.

Last Answer : (d) Meat was not spoiled, when heated and kept

When an unsaturated air-water mixture is heated at constant pressure, then (A) The partial pressure of water vapour increases (B) The specific humidity decreases (C) The relative humidity increases (D) The relative humidity decreases

Description : When an unsaturated air-water mixture is heated at constant pressure, then (A) The partial pressure of water vapour increases (B) The specific humidity decreases (C) The relative humidity increases (D) The relative humidity decreases

Last Answer : D) The relative humidity decreases

When water is heated from 0 degree C to 20 degree C, how does its volume change? -Do You Know?

Description : When water is heated from 0 degree C to 20 degree C, how does its volume change? -Do You Know?

Last Answer : answer:

When water is heated from 0°C to 10°C. Its volume (1) increases (2) decreases (3) does not change (4) first decreases and then increases

Description : When water is heated from 0°C to 10°C. Its volume (1) increases (2) decreases (3) does not change (4) first decreases and then increases

Last Answer : (4) first decreases and then increases

When water is heated from 0 degree C to 20 degree C, how does its volume change?

Description : When water is heated from 0 degree C to 20 degree C, how does its volume change?

Last Answer : t shall increase

1. Who was the only Indian woman who became President of WHO? 2. When water is heated from 0 degree C to 20 degree C, how does its volume change? 3. Which is a form of heart disease in which blood supply to the heart is inadequate? 4. Which natural region is best known for the production of grapes? 5. Which is an example of Mauryan art ?

Description : 1. Who was the only Indian woman who became President of WHO? 2. When water is heated from 0 degree C to 20 degree C, how does its volume change? 3. Which is a form of heart disease in ... is the largest temperate desert of the world? 20. In whose rule was Islam, as the state religion, abolished?

Last Answer : Answer : 1. Raj Kumari Amrit Kaur 2. It shall increase 3. Angina 4. Mediterranean 5. Bull capital, Rampurva 6. The Union Home Minister 7. Sodium or potassium salts of heavier fatty acids 8. 1994 9. ... .A.-Russia 15. In Cambodia 16. 5 17. Painting 18. Revenue receipts 19. Patagonian desert 20. Akbar

What is the word Transfer of thermal energy when particles in a heated fluid rise?

Description : What is the word Transfer of thermal energy when particles in a heated fluid rise?

Last Answer : Need answer

Troposphere is the hottest part of the atmosphere because- (1) it is closest to the Sun (2) there are charged particles in it (3) it is heated by the Earth's surface (4) heat is generated in it

Description : Troposphere is the hottest part of the atmosphere because- (1) it is closest to the Sun (2) there are charged particles in it (3) it is heated by the Earth's surface (4) heat is generated in it

Last Answer : (3) it is heated by the Earth's surface Explanation: The lowest part of the troposphere is the warmest because it is closest to the ground, where the heat is coming from.

Troposphere is the hottest part of the atmosphere because (1) it is closest to the Sun (2) there are charged particles in it (3) it is heated by the Earth’s surface (4) heat is generated in it

Description : Troposphere is the hottest part of the atmosphere because (1) it is closest to the Sun (2) there are charged particles in it (3) it is heated by the Earth’s surface (4) heat is generated in it

Last Answer : it is heated by the Earth’s surface

When the seepage pressure becomes equal to the pressure due to submerged weight of a soil, the effective pressure is reduced to zero and the soil particles have a tendency to move up in the direction of flow. This phenomenon is generally known (A) Quick condition (B) Boiling condition (C) Quick sand (D) All the above

Description : When the seepage pressure becomes equal to the pressure due to submerged weight of a soil, the effective pressure is reduced to zero and the soil particles have a tendency to move up in the direction of flow. ... known (A) Quick condition (B) Boiling condition (C) Quick sand (D) All the above

Last Answer : Answer: Option D

Why do hot particles move faster than the cool gas particle?

Description : Why do hot particles move faster than the cool gas particle?

Last Answer : Need answer

The temperature of a gas is held constant while its volume is reduced. The pressure the gas exerts on the walls of its container increases because its molecules: w) strike the container walls more often x) strike the container walls with higher speeds y) strike the container walls with greater force z) all of the above

Description : The temperature of a gas is held constant while its volume is reduced. The pressure the gas exerts on the walls of its container increases because its molecules: w) strike the container walls more ... walls with higher speeds y) strike the container walls with greater force z) all of the above

Last Answer : ANSWER: W -- STRIKE THE CONTAINER WALLS MORE OFTEN

Compressed air should not be used to clean motor controller equipment because ________________. A. it may force metallic particles into coil insulation B. the surrounding area may need additional cleaning C. the air blast dries out insulation quickly D. a mask and respirator would be required

Description : Compressed air should not be used to clean motor controller equipment because ________________. A. it may force metallic particles into coil insulation B. the surrounding area may need additional cleaning C. the air blast dries out insulation quickly D. a mask and respirator would be required

Last Answer : Answer: A

As compared to the volume occupied by gas, the volume of particles is A. more B. infinite C. negligible D. less than the volume of gas

Description : As compared to the volume occupied by gas, the volume of particles is A. more B. infinite C. negligible D. less than the volume of gas

Last Answer : negligible

Two dimensional flows occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at successive periods of time (C) The magnitude and direction of the velocity do not change from point to point in the fluid (D) The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plan

Description : Two dimensional flows occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at ... fluid particles move in plane or parallel planes and the streamline patterns are identical in each plan

Last Answer : Answer: Option D

Uniform flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at successive periods of time (C) The magnitude and direction of the velocity do not change from point to point in the fluid ) The fluid particles move in plane or parallel planes and the streamline patterns are identical in each pleasure

Description : Uniform flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at ... fluid particles move in plane or parallel planes and the streamline patterns are identical in each pleasure

Last Answer : Answer: Option C

True one-dimensional flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at successive periods of time (C) The magnitude and direction of the velocity do not change from point to point in the fluid (D) The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

Description : True one-dimensional flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same ... fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

Last Answer : Answer: Option A

Steady flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at successive periods of time (C) The magnitude and direction of the velocity do not change from point to point in the fluid (D) The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

Description : Steady flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at successive ... fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

Last Answer : Answer: Option B

In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is (A) More (B) Less (C) Same (D) Unpredictable; depends on the particular reaction

Description : In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is (A) More (B) Less (C) Same (D) Unpredictable; depends on the particular reaction

Last Answer : (C) Same

According to the ideal gas law, what happens to the volume of a gas when the pressure doubles (all else held constant)?

Description : According to the ideal gas law, what happens to the volume of a gas when the pressure doubles (all else held constant)?

Last Answer : The volume is halved(Explanation): this is boyle's law PV=PV. In order to keep this equation true, if one variable (pressure in this case) is doubled, the other variable must be the reciprocal of that (in this case 1/2, which is reciprocal of double).

One mole of a gas occupying `3dm^(3)` expands against a constant external pressure of 1 atm to a volume of 13 lit. The workdone is :-

Description : One mole of a gas occupying `3dm^(3)` expands against a constant external pressure of 1 atm to a volume of 13 lit. The workdone is :-

Last Answer : One mole of a gas occupying `3dm^(3)` expands against a constant external pressure of 1 atm to a volume of 13 lit. ... `dm^(3)` D. `-48` atm `dm^(3)`

At constant temperature the pressure of 22.4 dm^3 volume of an ideal gas was increased from 10^5 kPa to 210 kPa, New volume could be -

Description : At constant temperature the pressure of 22.4 dm^3 volume of an ideal gas was increased from 10^5 kPa to 210 kPa, New volume could be -

Last Answer : At constant temperature the pressure of 22.4 dm3 volume of an ideal gas was increased from 105 kPa to 210 kPa, New ... 2 dm3 c. 22.4 dm3 d. 5.6 dm3