When temperature is gradually decreased, what is the specific heat of substance? -General Knowledge

When temperature is gradually decreased, what is the specific heat of substance? -General Knowledge
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The answer is 'Decreased'
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When temperature is gradually decreased, what is the specific heat of substance? -General Knowledge

Description : When temperature is gradually decreased, what is the specific heat of substance? -General Knowledge

Last Answer : answer:

When temperature is gradually decreased, what is the specific heat of substance? -General Knowledge

Description : When temperature is gradually decreased, what is the specific heat of substance? -General Knowledge

Last Answer : answer:

To ensure uniform pressure distribution, the thickness of the foundation, isA) Kept uniform throughout (B) Increased gradually towards the edge (C) Decreased gradually towards the edge (D) Kept zero at the edge

Description : To ensure uniform pressure distribution, the thickness of the foundation, is A) Kept uniform throughout (B) Increased gradually towards the edge (C) Decreased gradually towards the edge (D) Kept zero at the edge

Last Answer : Answer: Option C

In an operating distillation column, the (A) Vapors and liquids are at their dew point and bubble point respectively (B) Driving force for the liquid flow is its specific weight (C) Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column (D) Highest temperature is encountered at the top of the column

Description : In an operating distillation column, the (A) Vapors and liquids are at their dew point and bubble point respectively (B) Driving force for the liquid flow is its specific weight (C) Driving force for ... bottom to the top of the column (D) Highest temperature is encountered at the top of the column

Last Answer : (C) Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column

Calculate the recoverable waste heat (Q, in kCal/hour) from flue gases using the followingparameters: V (flow rate of the substance) 2000 m3/hr r (density of the flue gas): 0.9 kg/m3 Cp (specific heat of the substance): 0.20 kCal/kg oC DT (temperature difference): 120 oC h (recovery factor): 50% a. 21600 b. 43200 c. 25600 d. 34000

Description : Calculate the recoverable waste heat (Q, in kCal/hour) from flue gases using the followingparameters: V (flow rate of the substance) 2000 m3/hr r (density of the flue gas): 0.9 kg/m3 Cp (specific heat ... (temperature difference): 120 oC h (recovery factor): 50% a. 21600 b. 43200 c. 25600 d. 34000

Last Answer : 21600

Amount of heat needed to rate the temperature of a substance by 1°C  a. Heat Exchange  b. Heat Engine  c. Specific Heat  d. None of the above

Description : Amount of heat needed to rate the temperature of a substance by 1°C  a. Heat Exchange  b. Heat Engine  c. Specific Heat  d. None of the above

Last Answer : Specific Heat

Heat which causes a change in temperature of a substance.  a. Latent heat  b. Sensible heat  c. Specific heat  d. Heat of Fusion

Description : Heat which causes a change in temperature of a substance.  a. Latent heat  b. Sensible heat  c. Specific heat  d. Heat of Fusion

Last Answer : Sensible heat

The heat Q per unit mass per degree change in temperature that must be supplied or removed to change the temperature of a substance.  a. Specific Heat Capacity  b. Latent Heat  c. Heat of Transformation  d. Internal Heat

Description : The heat Q per unit mass per degree change in temperature that must be supplied or removed to change the temperature of a substance.  a. Specific Heat Capacity  b. Latent Heat  c. Heat of Transformation  d. Internal Heat

Last Answer : Specific Heat Capacity

The ______ of a substance is the amount of heat that must be added or removed from a unit mass of the substance to change its temperature by one degree.  A. Latent heat of fusion  B. Molar heat  C. Specific heat capacity  D. Specific heat

Description : The ______ of a substance is the amount of heat that must be added or removed from a unit mass of the substance to change its temperature by one degree.  A. Latent heat of fusion  B. Molar heat  C. Specific heat capacity  D. Specific heat

Last Answer : Specific heat capacity

What is defined as the energy required to raise the temperature of a unit mass of a substance by one degree?  A. Latent heat of fusion  B. Molar heat  C. Specific heat capacity  D. Specific heat

Description : What is defined as the energy required to raise the temperature of a unit mass of a substance by one degree?  A. Latent heat of fusion  B. Molar heat  C. Specific heat capacity  D. Specific heat

Last Answer : Specific heat

The quantity of heat required to raise the temperature of a given substance by 1 oC is known as: a) sensible heat b) specific heat c) heat capacity d) latent heat

Description : The quantity of heat required to raise the temperature of a given substance by 1 oC is known as: a) sensible heat b) specific heat c) heat capacity d) latent heat

Last Answer : specific heat specific heat is the quantity of heat required to raise the temperature of 1 gram substance by 1 oC is

Which of the following terms refer to the amount of heat needed to raise the temperature of a unit mass of a substance through one degree? w) Heat of fusion x) Liquification heat y) Internal heat z) Specific heat

Description : Which of the following terms refer to the amount of heat needed to raise the temperature of a unit mass of a substance through one degree? w) Heat of fusion x) Liquification heat y) Internal heat z) Specific heat

Last Answer : ANSWER: Z -- SPECIFIC HEAT

There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km. (A) 0.05 (B) 1 (C) 6.5 (D) 15

Description : There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called ... is about __________ °C/km. (A) 0.05 (B) 1 (C) 6.5 (D) 15

Last Answer : (C) 6.5

The door of a running refrigerator inside a room was left open. Which of the following statements is correct?  (a) The room will be cooled to the temperature inside the refrigerator.  (b) The room will be cooled very slightly.  (c) The room will be gradually warmed up.  (d) The temperature of the air in room will remain unaffected.  (e) any one of above is possible depending on the capacity.

Description : The door of a running refrigerator inside a room was left open. Which of the following statements is correct?  (a) The room will be cooled to the temperature inside the refrigerator.  (b) The room ... air in room will remain unaffected.  (e) any one of above is possible depending on the capacity.

Last Answer : Answer : c

How could you determine the specific heat of a sample of a solid substance that does not react with water?

Description : How could you determine the specific heat of a sample of a solid substance that does not react with water?

Last Answer : What is the answer ?

Water is used in a hot water bag because – (1) It is easily available (2) It has high specific gravity (3) It has high specific heat (4) It is a liquid substance

Description : Water is used in a hot water bag because – (1) It is easily available (2) It has high specific gravity (3) It has high specific heat (4) It is a liquid substance

Last Answer : (3) It has high specific heat Explanation: Water has the highest specific heat of any known substance except hydrogen; that is, it requires more heat to raise the temperature of water a definite ... to raise the temperature of an equal amount of any other substance the same number of degrees.

Water is not suitable as a calorimetric substance because it – (1) has high specific heat (2) is a good conductor (3) has high boiling point (4) low latent heat of vaporization

Description : Water is not suitable as a calorimetric substance because it – (1) has high specific heat (2) is a good conductor (3) has high boiling point (4) low latent heat of vaporization

Last Answer : (1) has high specific heat Explanation: The specific heat of water is higher than all other common substances. Hence, water is used for heating purposes (as in hot water bottles) and for cooling ... the liquids, mercury has the lowest specific heat due to which it is used as a thermometric liquid.

The ratio of the weight of a substance to the weight of some standard substance is called?  a. Specific Heat  b. Specific Gravity  c. Isothermal  d. Specific Weight

Description : The ratio of the weight of a substance to the weight of some standard substance is called?  a. Specific Heat  b. Specific Gravity  c. Isothermal  d. Specific Weight

Last Answer : Specific Gravity

Sum of the internal energy of a substance and the product of pressure and volume.  a. Specific Heat  b. Specific Gravity  c. Isolated System  d. Enthalpy

Description : Sum of the internal energy of a substance and the product of pressure and volume.  a. Specific Heat  b. Specific Gravity  c. Isolated System  d. Enthalpy

Last Answer : Enthalpy

_____ is that property of a substance which remains constant if no heat enters or leaves the substance, while it does work or alters its volume, but which increases or diminishes should a small amount of heat enter or leave.  a. Entrophy  b. Enthalpy  c. Specific Heat  d. None of the above

Description : _____ is that property of a substance which remains constant if no heat enters or leaves the substance, while it does work or alters its volume, but which increases or diminishes should a small amount of heat enter or leave.  a. Entrophy  b. Enthalpy  c. Specific Heat  d. None of the above

Last Answer : Entrophy

The amount of heat energy per kilogram that must be added or removed when a substance changes from one phase to another.  a. specific heat  b. heat of expansion  c. latent heat  d. useful heat

Description : The amount of heat energy per kilogram that must be added or removed when a substance changes from one phase to another.  a. specific heat  b. heat of expansion  c. latent heat  d. useful heat

Last Answer : latent heat

What is the heat capacity of one gram of a substance?  A. Molecular heat  B. Specific heat  C. Latent heat  D. Molar heat

Description : What is the heat capacity of one gram of a substance?  A. Molecular heat  B. Specific heat  C. Latent heat  D. Molar heat

Last Answer : Specific heat

What is the heat capacity of one mole of substance?  A. Molecular heat  B. Specific heat  C. Latent heat  D. Molar heat

Description : What is the heat capacity of one mole of substance?  A. Molecular heat  B. Specific heat  C. Latent heat  D. Molar heat

Last Answer : Molar heat

Water is not suitable as a calorimetric substance because it : (1) has high specific heat (2) is a good conductor (3) has high boiling point (4) low latent heat of vapourization

Description : Water is not suitable as a calorimetric substance because it : (1) has high specific heat (2) is a good conductor (3) has high boiling point (4) low latent heat of vapourization

Last Answer : has high specific heat

What is constant for a substance that is considered “incompressible”?  A. Specific volume of density  B. Pressure  C. Temperature  D. All of the above

Description : What is constant for a substance that is considered “incompressible”?  A. Specific volume of density  B. Pressure  C. Temperature  D. All of the above

Last Answer : Specific volume of density

The “equation of state” refers to any equation that relates the ______ of the substance.  A. Pressure and temperature  B. Pressure, temperature and specific weight  C. Temperature and specific weight  D. Pressure, temperature and specific volume

Description : The “equation of state” refers to any equation that relates the ______ of the substance.  A. Pressure and temperature  B. Pressure, temperature and specific weight  C. Temperature and specific weight  D. Pressure, temperature and specific volume

Last Answer : Pressure, temperature and specific volume

Specific gravity of urine is decreased in (A) Diabetes mellitus (B) Acute glomerulonephritis (C) Diarrhoea (D) Chronic glomerulonephritis

Description : Specific gravity of urine is decreased in (A) Diabetes mellitus (B) Acute glomerulonephritis (C) Diarrhoea (D) Chronic glomerulonephritis

Last Answer : B

An increase in the NH3 /CO2 ratio in urea manufacture results in (A) Increased degree of conversion of CO2 to urea (B) Decreased degree of conversion of NH3 to urea (C) Decreased yield of urea (D) Decreased specific volume of molten mass

Description : An increase in the NH3 /CO2 ratio in urea manufacture results in (A) Increased degree of conversion of CO2 to urea (B) Decreased degree of conversion of NH3 to urea (C) Decreased yield of urea (D) Decreased specific volume of molten mass

Last Answer : (A) Increased degree of conversion of CO2 to urea

In which form is the supplied heat energy stored during change in temperature of substance? (1) Heat energy (2) Kinetic energy (3) Potential energy (4) Both kinetic and potential energy

Description : In which form is the supplied heat energy stored during change in temperature of substance? (1) Heat energy (2) Kinetic energy (3) Potential energy (4) Both kinetic and potential energy

Last Answer : (2) Kinetic energy Explanation: Temperature is used as a measure for heat in an object by measuring the amount of kinetic energy in the molecules that make up the object. It is a measure of the average ... from the heat source to the molecules, and it can also change its form from heat to movement.

Pick out the correct statement. (A) 1 kcal/hr.m.°C is equal to 1 BTU/hr. ft.°F (B) In steady state heat conduction, the only property of the substance which determines the temperature distribution, is the thermal conductivity (C) In unsteady state heat conduction, heat flows in the direction of temperature rise (D) In heat transfer by forced convection, Grashoff number is very important

Description : Pick out the correct statement. (A) 1 kcal/hr.m.°C is equal to 1 BTU/hr. ft.°F (B) In steady state heat conduction, the only property of the substance which determines the ... in the direction of temperature rise (D) In heat transfer by forced convection, Grashoff number is very important

Last Answer : (B) In steady state heat conduction, the only property of the substance which determines the temperature distribution, is the thermal conductivity

Pick out the wrong statement. (A) Cp of monatomic gases such as metallic vapor is about 5 kcal/kg.atom (B) The heat capacity of solid inorganic substance is exactly equal to the heatcapacity of the substance in the molten state(C) There is an increase in entropy, when a spontaneous change occurs in anisolated system(D) At absolute zero temperature, the heat capacity for many pure crystallinesubstances is zero

Description : Pick out the wrong statement. (A) Cp of monatomic gases such as metallic vapor is about 5 kcal/kg.atom (B) The heat capacity of solid inorganic substance is exactly equal to the ... isolated system (D) At absolute zero temperature, the heat capacity for many pure crystalline substances is zero

Last Answer : (C) There is an increase in entropy, when a spontaneous change occurs in an isolated system

Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the (A) Low pressure and high temperature (B) Low pressure and low temperature (C) High pressure and low temperature (D) High pressure and high temperature

Description : Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the (A) Low pressure and high temperature (B) Low pressure and low temperature (C) High pressure and low temperature (D) High pressure and high temperature

Last Answer : (B) Low pressure and low temperature

"At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero". This follows from the (A) Third law of thermodynamics (B) Second law of thermodynamics (C) Nernst heat theorem (D) Maxwell's relations

Description : "At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero". This follows from the (A) Third law of thermodynamics (B) Second law of thermodynamics (C) Nernst heat theorem (D) Maxwell's relations

Last Answer : (A) Third law of thermodynamics

When a solid melts,  a. the temperature of the substance increases.  b. the temperature of the substance decreases.  c. heat leaves the substance.  d. heat enters the substance.

Description : When a solid melts,  a. the temperature of the substance increases.  b. the temperature of the substance decreases.  c. heat leaves the substance.  d. heat enters the substance.

Last Answer : heat enters the substance.

_________ is a measure of the average kinetic energy per molecule in a substance.  a. movement  b. temperature  c. heat  d. mass

Description : _________ is a measure of the average kinetic energy per molecule in a substance.  a. movement  b. temperature  c. heat  d. mass

Last Answer : temperature

If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly  (a) temperature  (b) enthalpy  (c) internal energy  (d) entropy  (e) all of the above.

Description : If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly  (a) temperature  (b) enthalpy  (c) internal energy  (d) entropy  (e) all of the above.

Last Answer : Answer : d

What term refers to the heat needed to change a unit mass of a substance at its melting temperature from a solid into a liquid?

Description : What term refers to the heat needed to change a unit mass of a substance at its melting temperature from a solid into a liquid? 

Last Answer : ANSWER: HEAT OF FUSION or LATENT HEAT OF FUSION or ENTHALPY OF FUSION

In which form is the supplied heat energy stored during change in temperature of substance? (1) Heat energy (2) Kinetic energy (3) Potential energy (4) Both kinetic and potential energy

Description : In which form is the supplied heat energy stored during change in temperature of substance? (1) Heat energy (2) Kinetic energy (3) Potential energy (4) Both kinetic and potential energy

Last Answer : Kinetic energy

My hearing is gradually getting worse. What professional should I see first?

Description : My hearing is gradually getting worse. What professional should I see first?

Last Answer : Make an appointment with an audiologist. Many things can cause substantial hearing loss, and you don’t want to wait till it is all gone. Do it now.

How to gradually become more approachable?

Description : How to gradually become more approachable?

Last Answer : answer:Smile at others,make direct eye contact, challenge yourself to get out of your comfort zone and attempt to make small talk if someone seems interesting to you as a friend or potential lover. Research ... I can be a little too assertive at times. haha We all have our challenges. Good Luck!

Has facebook ever caused you to gradually dislike someone you used to like because of the quality of their posts?

Description : Has facebook ever caused you to gradually dislike someone you used to like because of the quality of their posts?

Last Answer : No, but it’s certainly contributed to the other things they were already doing to make me dislike them.

Why have Western capital execution methods gradually become more merciful?

Description : Why have Western capital execution methods gradually become more merciful?

Last Answer : The cultural and societal prohibition against “cruel and unusual punishment.” If you’re killing someone, the ultimate punishment, you don’t have to do it in a method that is prolonged or unnecessarily complicated. No matter how much they deserve having done to them what they did to others.

Have you always grown up gradually, changing a little at a time, or have there been points in your life when you've changed suddenly?

Description : Have you always grown up gradually, changing a little at a time, or have there been points in your life when you've changed suddenly?

Last Answer : answer:Wow: my vote for best question of the month. I don't know how much I want to share in an open forum - but regardless of the intimacy of my, or others' posts here - it certainly was ... , probably unnecessarily but I can't help it. Fortunately, it's never too late to have a happy childhood.

Is it common to gradually gain in self esteem as you get older?

Description : Is it common to gradually gain in self esteem as you get older?

Last Answer : I feel that most people grow in self-esteem as they get older because they become more comfortable in their own skin. I was a really awkward teenager, constantly trying to be someone other than who ... what I was trying to be. With more confidence, I present a much more exciting version of myself.

After the 1930s Dust Bowl, what did they do with all of that dust? Did it gradually just become dirt again, once the drought stopped?

Description : After the 1930s Dust Bowl, what did they do with all of that dust? Did it gradually just become dirt again, once the drought stopped?

Last Answer : Eventually it just settled down somewhere and became mixed in to the soil of that place.

Have gradually built up to doing 15/16 pull ups/ chin ups then started to experiance pain in solar plexus region only starts after 2/3 reps even when I tense my abs no probs otherwise & would be unaware of a problem with my stomach if I didn't do the excercise, any ideas?? other than stop the excercise which I currently have done.

Description : Have gradually built up to doing 15/16 pull ups/ chin ups then started to experiance pain in solar plexus region only starts after 2/3 reps even when I tense my abs no probs otherwise & would be ... I didn't do the excercise, any ideas?? other than stop the excercise which I currently have done.

Last Answer : answer:I'm no expert of any kind on physical fitness or sports medicine, but I would suggest that if there is no such person in here, then you should seek one in your community and consult with him/her, ... appear at all normal to me, based on my own experiences. September 4, 2008, 8:30 AM EDT

The per capita availability of fresh water is depleting in India gradually. Why? -Geography

Description : The per capita availability of fresh water is depleting in India gradually. Why? -Geography

Last Answer : Depletion of fresh water in India is taking place gradually due to increase in population, urbanisation, agriculture modernisation and unaccounted demand for water. Deforestation is indirectly a reason for scarcity in India.

How did print revolution gradually spread in other European countries? -SST 10th

Description : How did print revolution gradually spread in other European countries? -SST 10th

Last Answer : . During the hundred years, between 1450 and 1550, printing presses were set up in most countries of Europe. . Printers from Germany travelled to other countries, seeking work and helped start new presses. . As the number of printing presses grew, book production boomed.

How was the liberalisation policy gradually adopted in India? -SST 10th

Description : How was the liberalisation policy gradually adopted in India? -SST 10th

Last Answer : . After Independence, the Indian government had put barriers on foreign trade and foreign investment. . Initially, Indian industries were just coming up after Independence, so competition from imports ... and exported easily and foreign companies could also set up factories and offices here.

Why did the Non-Cooperation Movement gradually slow down in the cities ? -SST 10th

Description : Why did the Non-Cooperation Movement gradually slow down in the cities ? -SST 10th

Last Answer : The non-cooperation movement slowed down in cities because: 1. People could not boycott mill clothes for long because they could not afford Khadi clothes, Khadi was much expensive compared to mill clothes ... come up. It was too less to take in the enormous number of people in British institutions.