Which of the following has got more heat capacity ? (1) Iron piece (2) Water (3) Gold piece(4) Benzene

Which of the following has got more heat capacity ? (1) Iron piece (2) Water (3) Gold piece(4) Benzene
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Water
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Which of the following has got more heat capacity? (1) Iron piece (2) Water (3) Gold piece (4) Benzene

Description : Which of the following has got more heat capacity? (1) Iron piece (2) Water (3) Gold piece (4) Benzene

Last Answer : (2) Water Explanation: Heat capacity (usually denoted by a capital C, often with subscripts), or thermal capacity, is the measurable physical quantity that characterizes the amount of heat required to change a substance's ... (SI), heat capacity is expressed in units of joule(s) (J) per Kelvin (K).

Which of the following has the maximum specific heat capacity? (1) water (2) piece of iron (3) piece of gold (4) chloroform

Description : Which of the following has the maximum specific heat capacity? (1) water (2) piece of iron (3) piece of gold (4) chloroform

Last Answer : (1) water Explanation: The quantity of heat required to raise the temperature of a substance by one degree Celsius is called its specific heat capacity.

In order to find the specific heat capacity of an unknown material a 50 g piece is heated to 80 degrees Celsius and fully immersed in a well insulated calorimeter filled with 100 g of water at 10 degr?

Description : In order to find the specific heat capacity of an unknown material a 50 g piece is heated to 80 degrees Celsius and fully immersed in a well insulated calorimeter filled with 100 g of water at 10 degr?

Last Answer : Assuming that the full question, which the questioner failed to post, is given in the Discussion, below.Taking the specific heat capacity of water as 4.2 Joules per gram per degree C, the metal has a specific heat capacity as approx 0.68 Joules/(g °C).

How A 500 g piece of iron changes 7 C when heat is added. How much heat energy in joules is produced due to this change in temperature?

Description : How A 500 g piece of iron changes 7 C when heat is added. How much heat energy in joules is produced due to this change in temperature?

Last Answer : Need answer

A substance which reacts with oxygen giving heat is called a combustible substance. Which one of the following is a combustible substance? a) iron nail b)glass c)stone piece d)wood

Description : A substance which reacts with oxygen giving heat is called a combustible substance. Which one of the following is a combustible substance? a) iron nail b)glass c)stone piece d)wood

Last Answer : d)wood

When a piece of iron is rubbed with a magnet it acquires magnetism ' What kind of change is this and why ?

Description : When a piece of iron is rubbed with a magnet it acquires magnetism ' What kind of change is this and why ?

Last Answer : When a piece of iron is rubbed by a magnet, it acquires magnetism ' is a physical or positional change. This is because when rubbed by a magnet, no other substance is formed from iron. Again , when a piece of magnetized iron is heated, it loses its magnetism and is converted into ordinary iron.

Steam at 100°C causes more severe burns than water at 100° C because – (1) steam has no specific heat capacity (2) steam has latent heat of vaporization (3) water has no specific heat capacity (4) water has latent heat of fusion

Description : Steam at 100°C causes more severe burns than water at 100° C because – (1) steam has no specific heat capacity (2) steam has latent heat of vaporization (3) water has no specific heat capacity (4) water has latent heat of fusion

Last Answer : (2) steam has latent heat of vaporization Explanation: It is because steam releases its latent heat as it condenses, which is substantial. The heat of vaporization of steam is over 2000 J per gram. And when it releases that it's then 100 degree water, the same as boiling water.

Steam at 1000C causes more severe burns than water at 100° C because (1) steam has no specific heat capacity (2) steam has latent heat of vaporisation (3) water has no specific heat capacity (4) water has latent heat of fusion

Description : Steam at 1000C causes more severe burns than water at 100° C because (1) steam has no specific heat capacity (2) steam has latent heat of vaporisation (3) water has no specific heat capacity (4) water has latent heat of fusion

Last Answer :  steam has latent heat of vaporisation

When propyne is passed through hot iron tube at 400°C, it gives (a) Benzene(b) Toluene(c) m-Xylene(d) Mesitylene

Description : When propyne is passed through hot iron tube at 400°C, it gives (a) Benzene (b) Toluene (c) m-Xylene (d) Mesitylene

Last Answer : Mesitylene

When acetylene is passed through hot iron tube at 400°C, it gives (a) Benzene (b) Toluene (c) o-Xylene (d) Mesitylene

Description : When acetylene is passed through hot iron tube at 400°C, it gives (a) Benzene (b) Toluene (c) o-Xylene (d) Mesitylene

Last Answer : Benzene

The best conductors of heat are A) Silver and Copper B) Lead and Mercury C) Iron and Tin D) Gold and Platinum

Description : The best conductors of heat are A) Silver and Copper B) Lead and Mercury C) Iron and Tin D) Gold and Platinum

Last Answer : A) Silver and Copper

Which of the following is a conductor of electricity? (1) Rubber (2) Pure water (3) Salt water (4) Benzene

Description : Which of the following is a conductor of electricity? (1) Rubber (2) Pure water (3) Salt water (4) Benzene

Last Answer : (3) Salt water Explanation: Pure water is actually an extremely poor conductor, but saturated salt water is a good conductor. The saltier the water, the better the conductance. The reason it ... charged Chlorine CF. When current is applied, it is easily conducted by the highly charged ions.

Which of the following is a conductor of electricity ? (1) Rubber (2) Pure water (3) Salt water (4) Benzene

Description : Which of the following is a conductor of electricity ? (1) Rubber (2) Pure water (3) Salt water (4) Benzene

Last Answer : Salt water

The most malleable metal is - (1) platinum (2) silver (3) gold (4) iron

Description : The most malleable metal is - (1) platinum (2) silver (3) gold (4) iron

Last Answer : (3) gold Explanation: Gold is the most malleable of all metals; a single gram can be beaten into a sheet of 1 square meter, and an ounce into 300 square feet.

Heat given to a body which raises its temperature by 1°C is known as - (1) water equivalent (2) thermal capacity (3) specific heat (4) temperature gradient

Description : Heat given to a body which raises its temperature by 1°C is known as - (1) water equivalent (2) thermal capacity (3) specific heat (4) temperature gradient

Last Answer : (2) thermal capacity Explanation: Heat capacity or thermal capacity is a measurable physical quantity equal to the ratio of the heat added to (or removed from) an object to the resulting temperature change.

Water is used in car radiator because of its – (1) low density (2) easy availability (3) high specific heat capacity (4) low boiling point

Description : Water is used in car radiator because of its – (1) low density (2) easy availability (3) high specific heat capacity (4) low boiling point

Last Answer : (3) high specific heat capacity Explanation: Water is used in car radiators because the Specific heat capacity of water is high as a result of which it takes away the heat from engine better compared to ... coolant used in the radiator. If the radiator was to overheat the car would come to a stop.

Water is used in car radiator because of its (1) low density (2) easy availability (3) high specific heat capacity (4) low boiling point

Description : Water is used in car radiator because of its (1) low density (2) easy availability (3) high specific heat capacity (4) low boiling point

Last Answer : high specific heat capacity

A light ray traveling in benzene strikes the benzene-air surface at the critical angle. The angle of refraction of the light ray is: w) 30 degrees x) 60 degrees y) 90 degrees z) 180 degrees

Description : A light ray traveling in benzene strikes the benzene-air surface at the critical angle. The angle of refraction of the light ray is: w) 30 degrees x) 60 degrees y) 90 degrees z) 180 degrees

Last Answer : ANSWER: Y -- 90 DEGREES

Explain the relationship between heat capacity and relative heat ?

Description : Explain the relationship between heat capacity and relative heat ?

Last Answer : The heat required to raise the temperature of an object by 1 K is called the heat capacity of that object. Again, if the relative heat of the material of the object is S , then the temperature of a ... the heat capacity of an object of mass m kg . Therefore , heat capacity = mass x relative heat.

What is the heat capacity ? What is heat capacity ?

Description : What is the heat capacity ? What is heat capacity ?

Last Answer : The amount of heat required to raise the temperature of an object by 1 Kelvin is called the heat capacity of that object.

The snow on the mountains does NOT melt all at once when it is heated by the sum because: (1) It becomes very hard (2) It reflects most of the heat from the sum (3) it has a low specific heat capacity (4) it has a high latent heat of fusion

Description : The snow on the mountains does NOT melt all at once when it is heated by the sum because: (1) It becomes very hard (2) It reflects most of the heat from the sum (3) it has a low specific heat capacity (4) it has a high latent heat of fusion

Last Answer : (2) It reflects most of the heat from the sum Explanation: Newly formed snow reflects about 90 per cent of the sunlight that falls upon it. This means that the sun is powerless to melt clean snow. And when ... on a spring day because of the sun's heat. It melts because of the warm air from the sea.

On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because – (1) metals have higher thermal capacity than plastics (2) plastics have a lower density than metals (3) metals are good conductors of heat (4) plastics have a higher thermal conductivity than metals

Description : On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because - (1) metals ... metals (3) metals are good conductors of heat (4) plastics have a higher thermal conductivity than metals

Last Answer : (3) metals are good conductors of heat Explanation: On a chilly day, the room temperature is lower than our body temperature. Since metals have a higher coefficient of thermal conductivity than plastic, they ... from our fingers will flow to the metal cap much more quickly than to the plastic body.

On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : (1) metals have higher thermal capacity than plastics (2) plastics have a lower density than metals (3) metals are good conductors of heat (4) plastics have a higher thermal conductivity than metals

Description : On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : (1) metals ... metals (3) metals are good conductors of heat (4) plastics have a higher thermal conductivity than metals

Last Answer : metals are good conductors of heat

The snow on the mountains does NOT melt all at once when it is heated by the sun because: (1) it becomes very hard (2) it reflects most of the heat from the sun (3) it has a low specific heat capacity (4) it has a high latent heat of fusion

Description : The snow on the mountains does NOT melt all at once when it is heated by the sun because: (1) it becomes very hard (2) it reflects most of the heat from the sun (3) it has a low specific heat capacity (4) it has a high latent heat of fusion

Last Answer : it reflects most of the heat from the sun

How can you tell if a piece of jewelry is real gold or not?

Description : How can you tell if a piece of jewelry is real gold or not?

Last Answer : answer:5 Simple Ways To Spot Fake Gold The Acid Test All precious metals can be tested through the use of an acid test that will only harm fake materials. Genuine gold will stand up ... piece of jewelry. Certified consultants will conduct further tests that reveal the genuine gold weight and purity

Imagine Johnny, a party clown, is carrying three pieces of gold each piece weighing one kilogram. While taking a walk he comes to a bridge which has a sign posted saying the bridge could hold only a maximum of 80 kilograms. John weighs 78 kilograms and the gold weighs three kilograms. Johnny reads the sign and still safely crossed the bridge with all the gold. How did he manage this? -Riddles

Description : Imagine Johnny, a party clown, is carrying three pieces of gold each piece weighing one kilogram. While taking a walk he comes to a bridge which has a sign posted saying the bridge could hold only a ... the sign and still safely crossed the bridge with all the gold. How did he manage this? -Riddles

Last Answer : Johnny is a clown so he has mastered juggling. When he came to the bridge he juggled the gold, always keeping one piece in the air.

What is the value of an 1907 US 10 dollar gold piece?

Description : What is the value of an 1907 US 10 dollar gold piece?

Last Answer : Two different U.S. $10.00 gold coins were struck in 1907. Thiswas the last year for the Liberty Head series and the first for theIndian Head type. Values are very different. Please post newquestion with more information.

What is the value of an 1986 US 50 dollar gold piece?

Description : What is the value of an 1986 US 50 dollar gold piece?

Last Answer : In mint state condition it has a value of $1500 to $4200depending upon the condition of the coin. In proof condition thevalue varies from $1500 to $2700.

What is the value of an 1855 US 2.5 dollar gold piece?

Description : What is the value of an 1855 US 2.5 dollar gold piece?

Last Answer : Assuming the coin is circulated and has no mintmark's, the 1855Liberty Head Head Quarter Eagle is a higher mintage date of theseries. For an accurate assessment of value the coin needs to beseen and ... , used as jewelery or have beencleaned have far less value if any to a collector or dealer.

What is the value of a 1881 US 10 dollar gold piece?

Description : What is the value of a 1881 US 10 dollar gold piece?

Last Answer : Assuming the coin is circulated and has no mintmark, the 1881Liberty Head Eagle is the highest mintage of the entire series andvery common. For an accurate assessment of value the coin needs tobe seen ... , corroded, scratched or have been cleaned havefar less value if any to a collector or dealer

What is the value of a copy an 1877 US 50 dollar gold piece?

Description : What is the value of a copy an 1877 US 50 dollar gold piece?

Last Answer : This stuff ends up on eBay or in a dealers junk box at coinshows. They have very little resale value. Most I see sell forabout $5.00.

A Gold Buffalo Coin: The Perfect Display Piece ?

Description : A Gold Buffalo Coin: The Perfect Display Piece ?

Last Answer : If you are looking for the perfect display piece for your den or office, you should not look any farther than a gold buffalo coin. This will give you everything that you are looking for. If you ... touch to the room that makes everything look better, but it does this without being obtrusive at all.

What was the best piece of advice you ever got?

Description : What was the best piece of advice you ever got?

Last Answer : Do not make an elephant out of a fly until you’re close enough to touch the fly’s wings – basically do not be anxious or cry that something terrible will happen until the situation actually comes up and when we reach that bridge, we’ll cross it then and not a minute too soon.

what's a piece of fictional media where, when you got into it for the first time, it felt like you'd already known the characters for years?

Description : what's a piece of fictional media where, when you got into it for the first time, it felt like you'd already known the characters for years?

Last Answer : I'll go first: Friends, OMORI, and The Addams Family.

The base of an electric iron is brightly polished mainly - (1) to make it smooth and frictionless (2) to make it rust-proof (3) to reduce heat loss by radiation (4) to make it more durable

Description : The base of an electric iron is brightly polished mainly - (1) to make it smooth and frictionless (2) to make it rust-proof (3) to reduce heat loss by radiation (4) to make it more durable

Last Answer : (3) to reduce heat loss by radiation Explanation: Polished surfaces are poor radiators of heat. So loss of heat on that account is reduced and the electric iron remains hotter than otherwise.

The base of an electric iron is brightly polished mainly - (1) to make it smooth and frictionless (2) to make it rust-proof (3) to reduce heat loss by radiation (4) to make it more durable

Description : The base of an electric iron is brightly polished mainly - (1) to make it smooth and frictionless (2) to make it rust-proof (3) to reduce heat loss by radiation (4) to make it more durable

Last Answer : (3) to reduce heat loss by radiation Explanation: Polished surfaces are poor radiators of heat. So loss of heat on that account is reduced and the electric iron remains hotter than otherwise.

A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will (A) Increase (B) Decrease (C) Remain same (D) Increase/decrease depending on depth of immersion

Description : A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will (A) Increase (B) Decrease (C) Remain same (D) Increase/decrease depending on depth of immersion

Last Answer : Answer: Option C

A piece of wood is held under water. The up thrust on it will be: (1) equal to the weight of the Wood (2) less than weight of the wood (3) more than weight of the wood (4) Zero

Description : A piece of wood is held under water. The up thrust on it will be: (1) equal to the weight of the Wood (2) less than weight of the wood (3) more than weight of the wood (4) Zero

Last Answer : (2) less than weight of the wood Explanation: According to the Archimedes' principle, a floating object will experience an upthrust force from water, equal to the weight of water displaced (pushed aside ... until it reaches the point where the weight of the water pushed aside equals its own weight.

A piece of wood is held under water. The upthrust on it will be: (1) equal to the weight of the wood (2) less than weight of the wood (3) more than weight of the wood (4) Zero

Description : A piece of wood is held under water. The upthrust on it will be: (1) equal to the weight of the wood (2) less than weight of the wood (3) more than weight of the wood (4) Zero

Last Answer : less than weight of the wood

A fertilized ovule consisting of intact embryo, stored food and seed-coat which is viable and has got the capacity to germinate

Description : A fertilized ovule consisting of intact embryo, stored food and seed-coat which is viable and has got the capacity to germinate

Last Answer : Ans. Seed

Why a piece of iron can be turned into magnet but not a copper piece?

Description : Why a piece of iron can be turned into magnet but not a copper piece?

Last Answer : Iron has the property of being ferromagnetic, most othermaterials don't.The difference is that in iron, groups of adjacentatoms have a tendency to form magnetic domains.

What piece of equipment would iron and other metallic objects use to separate?

Description : What piece of equipment would iron and other metallic objects use to separate?

Last Answer : A magnet.

When a piece of iron rod is brought near a permanent magnet for a while it becomes magnitised by?

Description : When a piece of iron rod is brought near a permanent magnet for a while it becomes magnitised by?

Last Answer : Need answer

What can you do to align all of the domains in a piece of iron?

Description : What can you do to align all of the domains in a piece of iron?

Last Answer : Need answer

What does it mean to season a piece of iron cookware?

Description : What does it mean to season a piece of iron cookware?

Last Answer : Iron cookware has been around for a long time and therefore is obviously something very useful, even with today's "modern" cookware. Iron cookware needs to be seasoned by coating it in some type of cooking oil and baking it in the oven - thus giving it a finished coating by baking it on.

I bent a piece of my new wrought iron patio furniture set, is there an easy fix to this?

Description : I bent a piece of my new wrought iron patio furniture set, is there an easy fix to this?

Last Answer : Unfortunately, you will indeed have to contact the manufacturer to get the part replaced. If you have a warranty, you'll be in luck as it will be replaced for free.

By inserting a soft iron piece into solenoid, what does the strength of the magnetic field?

Description : By inserting a soft iron piece into solenoid, what does the strength of the magnetic field?

Last Answer : Increase

What happens when a iron nail or a piece of aluminium wire is dipped in concentrated nitric acid?

Description : What happens when a iron nail or a piece of aluminium wire is dipped in concentrated nitric acid?

Last Answer : Iron nail or aluminium wire does not react with concentrated nitric acid. It makes iron more passive.

When an iron piece is placed in a magnetic field (a) the magnetic lines of force will bend away from their usual paths in order to go away from the piece (b) the magnetic lines of force will bend away from their usual paths in order to pass through the piece (c) the magnetic field will not be affected (d) the iron piece will break

Description : When an iron piece is placed in a magnetic field (a) the magnetic lines of force will bend away from their usual paths in order to go away from the piece (b) the magnetic lines of force will bend ... to pass through the piece (c) the magnetic field will not be affected (d) the iron piece will break

Last Answer : (b) the magnetic lines of force will bend away from their usual paths in order to pass through the piece

Rohan had learnt that non-metals on beating with hammer are generally broken into pieces. Which of the following is a non-metal? a) iron nail b)aluminium wire c)copper wire d)piece of coal

Description : Rohan had learnt that non-metals on beating with hammer are generally broken into pieces. Which of the following is a non-metal? a) iron nail b)aluminium wire c)copper wire d)piece of coal

Last Answer : d)piece of coal