How much energy would be required to melt 500.g of ice at 0.00 degrees * C to water at 0.00 degrees * C ?

How much energy would be required to melt 500.g of ice at 0.00 degrees * C to water at 0.00 degrees * C ?
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How much calories are required to melt 50 grams of ice at 0 degrees celcius?

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How many joules of heat are necessary to melt 500 g of ice at it's freezing point?

Description : How many joules of heat are necessary to melt 500 g of ice at it's freezing point?

Last Answer : Heat required to melt 1 g of ice at 0°C is approximately 80 cal . This is also called latent heat of fusion of ice.

What is a calorie? w) amount of heat required to raise one gram of water one degree Celsius. x) amount of work required to move one gram of water by one centimeter. y) amount of heat required to melt ice. z) amount of heat required to raise one gram of water one degree Fahrenheit

Description : What is a calorie? w) amount of heat required to raise one gram of water one degree Celsius. x) amount of work required to move one gram of water by one centimeter. y) amount of heat required to melt ice. z) amount of heat required to raise one gram of water one degree Fahrenheit

Last Answer : ANSWER: W -- AMOUNT OF HEAT REQUIRED TO RAISE ONE GRAM OF WATER ONE DEGREE CELSIUS

How much mechanical work must be done to completely melt 1 gram of ice at 0°C? (1) 4.2 J (2) 80 J (3) 336 J (4) 2268 J

Description : How much mechanical work must be done to completely melt 1 gram of ice at 0°C? (1) 4.2 J (2) 80 J (3) 336 J (4) 2268 J

Last Answer : (2) 80 J Explanation: When water at 0 degree Celsius freezes, each gram of water gives off 80 calories. The temperature of the water stays at 0 degree C until every drop has frozen. When ... heat-80 calories for each gram of ice-and its temperature remains unchanged until it has completely melted.

How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? (1) 4.2 J (2) 80 J (3) 336 J (4) 2268 J

Description : How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? (1) 4.2 J (2) 80 J (3) 336 J (4) 2268 J

Last Answer : 80 J

What is the melting point of ice or at what temperature does ice melt into water ?

Description : What is the melting point of ice or at what temperature does ice melt into water ?

Last Answer : : The melting point of Berber becomes ice water at a temperature of 0 সেল C or 0 সেল C.

Why does ice coverfed in sawdust ct melt quickly? (1) Sawdust does not allow the air to touch the ice (2) The water is absorbed by sawdust (3) Sawdust is a bad conductor of heat (4) Sawdust is good conductor of heat

Description : Why does ice coverfed in sawdust ct melt quickly? (1) Sawdust does not allow the air to touch the ice (2) The water is absorbed by sawdust (3) Sawdust is a bad conductor of heat (4) Sawdust is good conductor of heat

Last Answer : (3) Sawdust is a bad conductor of heat Explanation: Ice needs to absorb heat energy to melt and become water (called latent heat of fusion). Since saw-dust is a poor conductor of heat, it takes ... required heat energy. This allows ice to remain in solid state for more time when packed in saw dust.

What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius? (1) All ice will melt (2) All water will become ice (3) No change will happen (4) Only some ice will melt

Description : What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius? (1) All ice will melt (2) All water will become ice (3) No change will happen (4) Only some ice will melt

Last Answer : (3) No change will happen Explanation: Fresh water cooled to zero (0) degree Celsius and subjected to additional loss of heat energy normally will freeze. A mixture of fresh water and ice ... the usual freezing point while remaining liquid. Such cloud droplets are composed of super cooled water.

Why does ice covered in sawdust not melt quickly ? (1) Sawdust does not allow the air to touch the ice (2) The water is absorbed by sawdust (3) Sawdust is a bad conductor of heat (4) Sawdust is good conductor of heat

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Last Answer : Sawdust is a bad conductor of heat

What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? (1) All ice will melt (2) All water will become ice (3) No change will happen (4) Only some ice will melt

Description : What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? (1) All ice will melt (2) All water will become ice (3) No change will happen (4) Only some ice will melt

Last Answer : No change will happen

Heating 235 g of water from 22.6 degrees C to 94.4 degrees C in a microwave oven requires 7.06x10^4 J of energy. If the microwave frequency is 2.88x10^10 Hz, how many quanta are required to supply the 7.06x10^4 J?

Description : Heating 235 g of water from 22.6 degrees C to 94.4 degrees C in a microwave oven requires 7.06x10^4 J of energy. If the microwave frequency is 2.88x10^10 Hz, how many quanta are required to supply the 7.06x10^4 J?

Last Answer : answer:Guidelines. I don’t mean to be the bearer of bad news…

Does ice melt faster in humid conditions (high relative humidity), or low?

Description : Does ice melt faster in humid conditions (high relative humidity), or low?

Last Answer : Humid air is denser then dry air. The more air molecules that there are surrounding the ice, the more heat exchange will take place over dry air (given a constant air and surface temperature and over a ... air will draw heat from the ice and cause it to melt more quickly than less dense dry air.

Is a propane "ice melt" torch effective for melting ice on a driveway?

Description : Is a propane "ice melt" torch effective for melting ice on a driveway?

Last Answer : No. But..I HAVE hooked up the garden hose to the hot water outlet in the garage that my washing machine hooks up to, and have hosed down icy areas with hot water to melt the ice. ;-)

What ice melt will be effective on my driveway at very low temperatures, while doing very little damge to my lawn.

Description : What ice melt will be effective on my driveway at very low temperatures, while doing very little damge to my lawn.

Last Answer : Kitty litter works but it is expensive.

Ice is slippery when a man walks on it because a.Increase of pressure causes it to melt b.Ice is brittle c.There is no friction d.It is very chill e.Its surface is smooth

Description : Ice is slippery when a man walks on it because a.Increase of pressure causes it to melt b.Ice is brittle c.There is no friction d.It is very chill e.Its surface is smooth

Last Answer : a. Increase of pressure causes it to melt

What can you use to melt ice beside salt?

Description : What can you use to melt ice beside salt?

Last Answer : heat (e.g. infrared radiation, hot air, hot water)antifreeze (e.g. ethylene glycol, propylene glycol, alcohols)sugaretc.

How long does it take to melt an ice cube with table salt in room temperature?

Description : How long does it take to melt an ice cube with table salt in room temperature?

Last Answer : It depends on the size of the ice cube and amount of table salt.

Why does ice melt when its out of the fridge?

Description : Why does ice melt when its out of the fridge?

Last Answer : The melting point of solid water (ice) is at oC.

What are the differences and purposes of the different types of ice melt such as sodium chloride, potassium chloride, calcium chloride and blends?

Description : What are the differences and purposes of the different types of ice melt such as sodium chloride, potassium chloride, calcium chloride and blends?

Last Answer : Ice Melts are for minimal damage being substained by winter conditions to your lawn.

What chemicals are in ice melt that is safe for pets?

Description : What chemicals are in ice melt that is safe for pets?

Last Answer : The main thing is what is not in it and that is salt, an example of pet safe ice melt is Safe Paw.

Why does ice not melt readily when salt is sprinkled over it?

Description : Why does ice not melt readily when salt is sprinkled over it?

Last Answer : Ans: When salt is sprinkled over ice, some of it dissolves. As dissolution of the salt is accompanied by absorption oh heat. The temperature of the system falls below 0 degree Celsius. Hence, ice does not melt readily.

How to Melt Ice on a Sidewalk

Description : How to Melt Ice on a Sidewalk

Last Answer : How to Melt Ice on a Sidewalk Having snow freeze up in your sidewalk, garage and porch can lead to some slippery accidents that can seriously injure you. Here are some things you can do to ... the frozen sidewalk. It's also biodegradable, safe for your indoor flooring and not harmful to animals.

The energy required to melt one mole of a solid at its melting point is called one of the following. w) the molar heat of fusion x) the molar hear of vaporization y) the molar heat of capacity z) the melting point

Description : The energy required to melt one mole of a solid at its melting point is called one of the following. w) the molar heat of fusion x) the molar hear of vaporization y) the molar heat of capacity z) the melting point

Last Answer : ANSWER: W -- THE MOLAR HEAT OF FUSION

1.250 g of metal carbonate `(MCO_(3))` was treated with 500 mL of 0.1 M HCl solution. The unreacted HCl required 50.0 mL of 0.500 M NaOH solution for

Description : 1.250 g of metal carbonate `(MCO_(3))` was treated with 500 mL of 0.1 M HCl solution. The unreacted HCl required 50.0 mL of 0.500 M NaOH solution for

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To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length of the pipe is 1506 m and f = 0.01, ignoring other minor losses and assuming the economical diameter from Lea's formula D = 1.2 Q, the water horse power of the pump is (A) 400 (B) 450 (C) 500(D) 600

Description : To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is  installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length  of the ... the water horse power of the pump is  (A) 400  (B) 450  (C) 500 (D) 600

Last Answer : (D) 600

Assertion : In aDNA molecule, A-T rich parts melt before G-C rich parts. Reason : In between A and T there are three H-bond, whereas in between G and

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How much LPG low pressure gas is required to melt 300kg in a furnace?

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Last Answer : Aluminium

The number of degrees of freedom for a mixture of ice and water (liquid) are (A) 3 (B) 2 (C) 1 (D) 0

Description : The number of degrees of freedom for a mixture of ice and water (liquid) are (A) 3 (B) 2 (C) 1 (D) 0

Last Answer : (C) 1

If a piece of metal at -20 degrees Celsius is added to an ice and water mixture in equilibrium at 0 degrees Celsius, the amount of ice will: w) Increase x) Remain the same y) Decrease

Description : If a piece of metal at -20 degrees Celsius is added to an ice and water mixture in equilibrium at 0 degrees Celsius, the amount of ice will: w) Increase x) Remain the same y) Decrease

Last Answer : ANSWER: W -- INCREASE

X Ltd. purchased a car from Maruti Udyog Ltd. for Rs. 5,00,000. As per agreement Rs. 80,000 was to be paid in cash and the balance by issue of shares of Rs. 10 each at a premium of Rs. 5 per share. How many shares should X Ltd. issue to Maruti Udyog Ltd. for the car ? (A) 30,000 shares (B) 29,000 shares (C) 28,500 shares (D) 28,000 shares

Description : X Ltd. purchased a car from Maruti Udyog Ltd. for Rs. 5,00,000. As per agreement Rs. 80,000 was to be paid in cash and the balance by issue of shares of Rs. 10 each at a premium of Rs. 5 per share. How many ... . for the car ? (A) 30,000 shares (B) 29,000 shares (C) 28,500 shares (D) 28,000 shares

Last Answer : Answer: 28,000 shares

Sundry Debtors – Rs.15,000 Bills Receivable (B/R) – Rs.12,500 Cash at Bank – Rs.17,500 Stock – Rs.15,000 Profit – Rs.20,000 Creditors – Rs.25,000 Bills Payable (B/P) – Rs.15,000 Sales – Rs.1,00,000 What is the Acid Test Ratio ? (A) 1•5 : 1 (B) 1•125 : 1 (C) 16 2/3% (D) 50%

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An ohmmeter used to test for front-to-back resistance of a PN junction diode should produce roughly what ratio? A. 100:01:00 B. 500:01:00 C. 1000:01:00 D. 5000:01:00

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Last Answer : Answer: A

Determine the maximum length of the cable (in km) for transmitting data at a rate of 500 Mbps in an Ethernet LAN with frames of size 10,000 bits. Assume the signal speed in the cable to be 2,00,000 km/s.b. 2 c. 2.5 d. 5

Description : Determine the maximum length of the cable (in km) for transmitting data at a rate of 500 Mbps in an Ethernet LAN with frames of size 10,000 bits. Assume the signal speed in the cable to be 2,00,000 km/s. b. 2 c. 2.5 d. 5

Last Answer : b. 2

Process B had no opening inventory. 13,500 units of raw material were transferred in at Rs 4.50 per unit. Additional material at Rs1.25per unit was added in process. Labour and overheads were Rs 6.25 per completed unit and Rs 2.50 per unit incomplete. If 11,750completed units were transferred out, what was the closing inventory in Process B? (a) Rs. 6562.50 (b) Rs. 12,250.00 (c) Rs. 14,437.50 (d) Rs. 25,375.00

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Last Answer : (a) Rs 142,485

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?

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For 100 sq. m cement concrete (1 : 2: 4) 4 cm thick floor, the quantity of cement required, is (A) 0.90 m3 (B) 0.94 m3 (C) 0.98 m3 (D) 1.00 m3

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Last Answer : (B) 0.94 m3

A dynamic RAM has refresh cycle of 32 times per msec. Each refresh operation requires 100 nsec and a memory cycle requires 250 nsec. What percentage of memory’s total operating time is required for refreshes? (A) 0.64 (B) 0.96 (C) 2.00 (D) 0.32

Description : A dynamic RAM has refresh cycle of 32 times per msec. Each refresh operation requires 100 nsec and a memory cycle requires 250 nsec. What percentage of memory’s total operating time is required for refreshes? (A) 0.64 (B) 0.96 (C) 2.00 (D) 0.32

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How is the h fusion used to calculate the mass of a solid that 1 kj of energy will melt?

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Last Answer : What is the answer ?

For determine the specific gravity of soil solids, using a pycnometer of 500 cc., the following data is available : Weight of dry empty pycnometer = 125 g Weight of dried soil and pycnometer = 500 g Weight of dried soil and distilled = 850 g water filled in pycnometer up to top The specific gravity of soil solids, is (A) 2.0 (B) 2.25 (C) 2.50 (D) 2.75

Description : For determine the specific gravity of soil solids, using a pycnometer of 500 cc., the following data is available : Weight of dry empty pycnometer = 125 g Weight of dried soil and pycnometer = 500 g Weight of dried soil and distilled ... of soil solids, is (A) 2.0 (B) 2.25 (C) 2.50 (D) 2.75

Last Answer : (C) 2.50

How many degrees centigrade is water ice ?

Last Answer : Water freezes at a temperature of zero degrees centigrade.

How many degrees are there between the melting point of ice and boiling point of water?

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At which of the following places watches will show 5.30 A.M. when it is 12.00 midnight G.M.T.? -Do You Know?

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Calcium carbonate decomposes into calcium oxide & carbon dioxide Her results:Mass of calcium carbonate before heating = 2.00 g Mass of calcium oxide left after heating = 1.12 g work out the mass of carbon dioxide released during the decomposition?

Description : Calcium carbonate decomposes into calcium oxide & carbon dioxide Her results:Mass of calcium carbonate before heating = 2.00 g Mass of calcium oxide left after heating = 1.12 g work out the mass of carbon dioxide released during the decomposition?

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R. G. Ltd. purchased machinery from K.G. Company for a book value of Rs. 4,00,000. The consideration was paid by issue of 10%. Debenture of Rs. 100 each at a discount of 20%. The debenture account will be credited by– (A) Rs. 4,00,000 (B) Rs. 5,00,000 (C) Rs. 3,20,000 (D) Rs. 4,80,000

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The mass of one Avogadro number of helium atom is (a) 1.00 g (b) 4.00 g (c) 8.00 g (d) 6.02 × 1023 g

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Last Answer : Ans:(b)

At which of the following places watches will show 5.30 A.M. when it is 12.00 midnight G.M.T.?

Description : At which of the following places watches will show 5.30 A.M. when it is 12.00 midnight G.M.T.?

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Which of the following herbicides will be tightly bound to the soil? a). Trifluralin KOC(mL/g)= 7000 b). Paraquat KOC(mL/g)= 10,00,000 c). Glyphosate KOC(mL/g)= 24,000 d). Alachlor KOC(mL/g)= 124

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Description : 1. Among South Asian countries, which one has the highest level of urbanization? 2. Which is an insectivorous plant? 3. Citizenship provisions are enshrined in the Constitution in which article? ... is dominant in hunting and gathering? 20. Which Gupta ruler defeated the Huna ruler, Mihirakula ?

Last Answer : Answer : 1. Bangladesh 2. Pitcher plant 3. Part II, Articles 5-11 4. New Delhi 5. Devadatta 6. Argon 7. Wrestling 8. Fifth 9. 30° East 10. Avanti 11. Physiotherapy 12. Article 29 and ... climate 15. Scenes from the Jatakas 16. Vocal Music 17. 20 18. Serendipity 19. Tropical forest 20. Yasodharman

A data file of 1,00,000 characters contains only the characters g-l, with the frequencies as indicated in table: using the variable-length code by Huffman codes, the file can be encoded with (A) 2,52,000 bits (B) 2,64,000 bits (C) 2,46,000 bits (D) 2,24,000 bits

Description : A data file of 1,00,000 characters contains only the characters g-l, with the frequencies as indicated in table:  using the variable-length code by Huffman codes, the file can be encoded with (A) 2,52,000 bits (B) 2,64,000 bits (C) 2,46,000 bits (D) 2,24,000 bits

Last Answer : (D) 2,24,000 bits