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

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

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

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.

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 ?

Description : 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 ?

Last Answer : 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 ?

A rod 3 m long is heated from 10°C to 90°C. Find the expansion of rod. Take Young’s modulus = 1.0 x 10^5 MN/m2 and coefficient of thermal expansion = 0.000012 per degree centigrade. 1. 0.168 cm 2. 0.208 cm 3. 0.288 cm 4. 0.348 cm

Description : A rod 3 m long is heated from 10°C to 90°C. Find the expansion of rod. Take Young’s modulus = 1.0 x 10^5 MN/m2 and coefficient of thermal expansion = 0.000012 per degree centigrade. 1. 0.168 cm 2. 0.208 cm 3. 0.288 cm 4. 0.348 cm

Last Answer : 3. 0.288 cm

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

n passing over heated copper give? -Do You Know?

Description : n passing over heated copper give? -Do You Know?

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In vulcanisation, with which the natural rubber is heated? -Do You Know?

Description : In vulcanisation, with which the natural rubber is heated? -Do You Know?

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When ore is heated generally in absence of air then what is process called? -Do You Know?

Description : When ore is heated generally in absence of air then what is process called? -Do You Know?

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What is formed when white phosphorus is heated at 540 K in the absence of air? -Do You Know?

Description : What is formed when white phosphorus is heated at 540 K in the absence of air? -Do You Know?

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When heated from 0°C to 100°C volume of a given mass of water will – (1) Increase gradually (2) Decrease gradually (3) Increase and then will decrease (4) Decrease and then will Increase

Description : When heated from 0°C to 100°C volume of a given mass of water will – (1) Increase gradually (2) Decrease gradually (3) Increase and then will decrease (4) Decrease and then will Increase

Last Answer : (4) Decrease and then will Increase Explanation: When heated from 00 to 100 C volume of a given mass of water will first decrease and then increase. If the word "ice" or "solid" is not mentioned, the word "water" means liquid water.

When heated from 0° to 10°C volume of a given mass of water will - (1) Increase gradually (2) Decrease gradually (3) Increase and after will decrease (4) Decrease and after will increase

Description : When heated from 0° to 10°C volume of a given mass of water will - (1) Increase gradually (2) Decrease gradually (3) Increase and after will decrease (4) Decrease and after will increase

Last Answer : (4) Decrease and after will increase

What happens, When water is heated from 0°C to 10°C the volume of water?

Description : What happens, When water is heated from 0°C to 10°C the volume of water?

Last Answer : First decreases then increases

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

When heated from 00 to 100C volume of a given mass of water will : (1) Increase gradually (2) Decrease gradually (3) Increase and then will decrease (4) Decrease and then will increase

Description : When heated from 00 to 100C volume of a given mass of water will : (1) Increase gradually (2) Decrease gradually (3) Increase and then will decrease (4) Decrease and then will increase

Last Answer : Decrease and then will increase

A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) increase (2) decrease (3) remain unaffected (4) have its shape changed

Description : A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) increase (2) decrease (3) remain unaffected (4) have its shape changed

Last Answer : (1) increase Explanation: The metal ball can be considered to be made up of several layers of thinner ones. On heating each of these layers will increase in radius.

A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) Increase (2) decrease (3) remain unaffected (4) have its shape changed

Description : A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) Increase (2) decrease (3) remain unaffected (4) have its shape changed

Last Answer : (1) Increase Explanation: The metal ball can be considered to be made up of several layers of thinner ones. On heating each of these layers will increase in radius. As the inner most layer also increases its radius, the volume inside it i.e, the volume of the hollow portion will also increase.

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

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

Specific heating capacity of a furnace is expressed as (A) Weight heated/hr (B) Weight heated/furnace volume (C) Weight heated/hr/furnace volume (D) None of these

Description : Specific heating capacity of a furnace is expressed as (A) Weight heated/hr (B) Weight heated/furnace volume (C) Weight heated/hr/furnace volume (D) None of these

Last Answer : (C) Weight heated/hr/furnace volume

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

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

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

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

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

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)

Water (specific heat cv= 4.2 kJ/ kg ∙ K ) is being heated by a 1500 W h eater. What is the rate of change in temperature of 1kg of the water?  A. 0.043 K/s  B. 0.179 K/s  C. 0.357 K/s  D. 1.50 K/s Formula: Q = mcv ( T)

Description : Water (specific heat cv= 4.2 kJ/ kg ∙ K ) is being heated by a 1500 W h eater. What is the rate of change in temperature of 1kg of the water?  A. 0.043 K/s  B. 0.179 K/s  C. 0.357 K/s  D. 1.50 K/s Formula: Q = mcv ( T)

Last Answer : 0.179 K/s

How many grams of copper could be heated from 20 oC to 75 oC if 1200 calories are applied to it?

Description : How many grams of copper could be heated from 20 oC to 75 oC if 1200 calories are applied to it?

Last Answer : The mass of copper is 240 g.Use the following formula:q = m x c x DeltaT,where:q is energy, m is mass, c is specific heat capacity, and DeltaT is the change in temperature.DeltaT = Tfinal-TinititalKnownq = 1200 ... = q/(c x DeltaT)m = 1200/(0.0923 x 55) = 240 g (rounded to two significant figures)

Pasteurisation is the process in which milk is heated to – (1) 60°C for 10 minutes (2) 63° C for 20 minutes (3) 63°C for 30 minutes (4) 72°C for 10 minutes

Description : Pasteurisation is the process in which milk is heated to – (1) 60°C for 10 minutes (2) 63° C for 20 minutes (3) 63°C for 30 minutes (4) 72°C for 10 minutes

Last Answer : (3) 63°C for 30 minutes Explanation: Pasteurization for pasteurisation) is a process of heating a food, which is usually a liquid, to a specific temperature for a predefined length of time ... (assuming the pasteurized product is stored as indicated and is consumed before its expiration date).

To achieve continuous pasteurization in milk, the milk needs to be heated to 161ºF for ____ seconds. a. 15 c. 10 b. 20 d. 5

Description : To achieve continuous pasteurization in milk, the milk needs to be heated to 161ºF for ____ seconds. a. 15 c. 10 b. 20 d. 5

Last Answer : a. 15

Pasteurisation is the process in which milk is heated to (1) 60°C for 10 minutes (2) 63° C for 20 minutes (3) 63°C for 30 minutes (4) 72°C for 10 minutes

Description : Pasteurisation is the process in which milk is heated to (1) 60°C for 10 minutes (2) 63° C for 20 minutes (3) 63°C for 30 minutes (4) 72°C for 10 minutes

Last Answer : 63°C for 30 minutes

What is the quantity of water in a particular volume of air called? -Do You Know?

Description : What is the quantity of water in a particular volume of air called? -Do You Know?

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One degree of longitude on the equator is equal to howmuch distance? -Do You Know?

Description : One degree of longitude on the equator is equal to howmuch distance? -Do You Know?

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The time of Cairo is 2 hours ahead of Greenwich time. Cairo is situated at which degree? -Do You Know?

Description : The time of Cairo is 2 hours ahead of Greenwich time. Cairo is situated at which degree? -Do You Know?

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When water is heated it turns into water vapor ' What kind of change is it ?

Description : When water is heated it turns into water vapor ' What kind of change is it ?

Last Answer : When water is heated it turns into water vapor ' This is a physical change.

Copper sulphate crystals when heated strongly, lose their water of crystallization to give anhydrous copper sulphate accompanied by a change in color from: (a). Blue to green (b). Blue to white (c). Blue to sky blue (d). Blue to grey

Description : Copper sulphate crystals when heated strongly, lose their water of crystallization to give anhydrous copper sulphate accompanied by a change in color from: (a). Blue to green (b). Blue to white (c). Blue to sky blue (d). Blue to grey

Last Answer : (b). Blue to white

When sugar canalize on being heated above its melting point is physical change or chemical?

Description : When sugar canalize on being heated above its melting point is physical change or chemical?

Last Answer : Melting is a physical process.

Of the total volume of the earth, which layer forms the major part? -Do You Know?

Description : Of the total volume of the earth, which layer forms the major part? -Do You Know?

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When does a cell increase in volume? -Do You Know?

Description : When does a cell increase in volume? -Do You Know?

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The ratio of the volume of water present in a given soil mass to the total volume of its voids, is known (A) Porosity (B) Void ratio (C) Percentage voids (D) Degree of saturation

Description : The ratio of the volume of water present in a given soil mass to the total volume of its voids, is known (A) Porosity (B) Void ratio (C) Percentage voids (D) Degree of saturation

Last Answer : Answer: Option D

Which products will be obtained when lead nitrate is heated simply. Write balanced chemical equation for the reaction? State the type of chemical reaction that occur in the change. -Chemistry

Description : Which products will be obtained when lead nitrate is heated simply. Write balanced chemical equation for the reaction? State the type of chemical reaction that occur in the change. -Chemistry

Last Answer : Answer. Lead monoxide, nitrogen dioxide and oxygen gas will be liberated. It is thermal decomposition reaction.

Name the change of state that occurs when osmium is heated from 4000©to6000©?

Description : Name the change of state that occurs when osmium is heated from 4000©to6000©?

Last Answer : The state of liquid to gas change.

Is Melting coin being heated and turn black this is used as a test for metal a chemical or a physical change?

Description : Is Melting coin being heated and turn black this is used as a test for metal a chemical or a physical change?

Last Answer : hg

Is Steel rod Be heated into a molten metal is example of a phase change?

Description : Is Steel rod Be heated into a molten metal is example of a phase change?

Last Answer : Feel Free to Answer

When a warm object is heated up why does the thermal radiation emits change?

Description : When a warm object is heated up why does the thermal radiation emits change?

Last Answer : Feel Free to Answer

How does the speed of the molecule of a gas Change when the gas is heated?

Description : How does the speed of the molecule of a gas Change when the gas is heated?

Last Answer : it moves faster

How does the speed of the molecule of a gas Change when the gas is heated?

Description : How does the speed of the molecule of a gas Change when the gas is heated?

Last Answer : it moves faster

A copper disc has a hole. If the disc is heated, the size of the hole - (1) increases (2) decreases (3) No change (4) first increases and than decreases

Description : A copper disc has a hole. If the disc is heated, the size of the hole - (1) increases (2) decreases (3) No change (4) first increases and than decreases

Last Answer : (1) increases Explanation: When a metal plate with a circular hole at its centre is heated, definitely along with the areal expansion of the plate the diameter (sum of two radii) of the circular hole also increases.