A sample of gold required 3.25 times 10 to the fourth power J of heat to melt it from room temperature 23.2 degrees Celsius to its melting point 1064.4 degrees Celsius. How many pounds of gold were in the sample?

Q: Calculate the amount of heat needed to melt 32.8 g of solid benzene (CH) and bring it to a…

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Q: Calculate the amount of heat needed to melt 152.g of solid methanol (CH3OH) and bring it to a…

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Q: Calculate the amount of heat needed to melt 57.8 g of solid benzene (C6H6) and bring it to a…

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Q: How much lead shot needs to be heated to 389 degrees C when placed in 78.6 g water that started at…

A: When any hot substance gets contacted with cool substance, the heat starts moving to cool substance…

Q: Calculate the amount of heat needed to boil 193. g of methanol (CH,OH), beginning from a temperature…

A: The given data is as follows: The mass of methanol = 193 g The initial temperature of methanol T1=…

Q: If a 25.0 g sample of copper shot at 458 degrees C is placed into 125 g water at 19.6 degrees C,…

A: Given: Mass of copper= 25.0 g Mass of water= 125 g Initial temperature of copper= 458 C Initial…

Q: Calculate the amount of heat needed to boil 184. g of hexane (C6H14), beginning from a temperature…

A: For given question there is to find energy needed for boiling of hexane from -35.0 degrees Celsius.

Q: A 3.00 kg sample of water is heated from 14 degrees celsius to 53 degrees celsius. How much energy…

A: Given,Mass of water = 3kgInitial temperature = 14 degrees CelsiusFinal temperature= 53 degrees…

Q: sports trainer applies an ice bag to the back of an injured athlete. Calculate the heat, in…

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Q: Lead has a heat of fusion of 23.140 J/g, along with a specific heat of o.12928 J/(g °C) in its solid…

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Q: a 44 gram piece of ice at 0 degrees celsius is added to a sample of water at 6.8 degrees celsius.…

A: The mass of ice is = 44 g The mass of water sample =? The temperature of ice is = 0 degrees celsius…

Q: Find what heat in calories (cal) is required to change 42 gg of 100∘C∘C boiling water into steam.…

A: Information of question

Q: Calculate the amount of heat needed to boil 12.3g of acetic acid (HCH3CO2), beginning from a…

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Q: A sheet of gold weighing 9.5 g and at a temperature of 16.5 °C is placed flat on a sheet of iron…

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…

Q: Calculate the amount of heat needed to melt 18.8 g of solid methanol (CH3OH) and bring it to a…

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Q: Calculate the new temperature (in Kelvin) when 1.00 L at 21.0 °C is compressed to 0.500 L. Be sure…

A: Ans is 147K

Q: A new linear temperature scale, degrees Zunzol (∘Z∘Z), is based on the freezing point and boiling…

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Q: How many grams of N a Cl would need to be added to 493.00 grams of water to lower the freezing point…

A: Depression in freezing point is defined as the decrease in freezing point temperature  of any…

Q: A sample of water pf unkown mass undergoes a temperature change from 86.52 degrees celsius to 30.15…

A: Given :- initial temperature of water = 86.52 °C  final  temperature of water = 30.15°C  q = -17405…

Q: Calculate the amount of heat needed to melt 125. g of solid methanol (CH,OH) and bring it to a…

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Q: A column of liquid is found to expand linearly on heating 5.25 cm for a 10.0°F rise in temperature.…

A: Given: Initial temp of liquid=107.3°CTo find:Final temp in degree celsiussolution: As we know, the…

Q: How much energy (in J) is lost when a sample of iron with a mass of  28.3g cools from 64.0 ∘C to…

A: Mass of Iron sample, M  = 28.3 g  Change in temperature, ∆t = (64.0 ∘C -27.0 ∘C) = 37.0 ∘C The…

Q: Calculate the amount of heat needed to melt 75.1 g of solid hexane (C6H14) and bring it to a…

A: Given Data: Mass of solid hexane = 75.1 gMelting point = -95.27oCTarget temperature = 24.3oCHeat of…

Q: Calculate the amount of heat needed to melt 45.4 g of ice (H,O) and bring it to a temperature of…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: Supposed your refrigerator can remove heat at a power of 100 watts (100 joules per second), how long…

A: The amount of heat in changing the temperature is given by  q = mC(Tf - Ti) where, m is mass, C is…

Q: Calculate the amount of heat needed to melt 152. g of solid methanol (CH,OH) and bring it to a…

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Q: Calculate the amount of heat needed to melt 90.2 g of solid benzene (C6H) and bring it to a…

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Q: piece of metal was placed into a 75.00 grams of water. the temperature of the water increased from…

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Q: The heat of fusion of ice is 80.0 cal/g.  How many kilojoules are required to melt 1.00 mol of ice?…

A: GivenHeat of fusion of ice = 80.0 cal/gmole of ice = 1 moleMolar Mass of water/ice = 18 g/moleMass…

Q: Calculate the heat change in joules for freezing 295 g of water at 0 ∘C. Express your answer as a…

A: Solution:       The amount of heat required to change 1 unit of substance from solid into liquid by…

Q: How many joules of heat are absorbed then 35.7 grams of steam is heated from 115 degrees celsius  to…

A: q = mc∆T  q is the amount of heat energy absorbed m is the mass of substance  c is the specific heat…

Q: 54 g of a certain metal (with a specific heat = 0.085 cal/g C) at 98 C was placed in 80mL of water…

A: The objective of the question is to find the final temperature of the water and the metal when they…

Q: Calculate the amount of heat needed to melt 95.2 g of solid benzene (CH) and bring it to a…

A: To Calculate the amount of heat needed to melt 95.2 g of solid benzene (C6H6 ) and bring it to a…

Q: Dr. Lussier enjoys a bath after a long day. After filling his tub with exactly 216.0 L of hot water,…

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Q: How much ice in grams would have to melt to lower the temperature of 342  mL  of water from 45  ∘C…

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Q: How many grams of Na Cl would need to be added to 318.00 grams of water to lower the freezing point…

A: Given: Mass of water = 318.00 g = 0.318 Kg                                   (Since 1 Kg = 1000 g)…