how many joules of heat does it take to melt 128 grams of ice that has an initial temperature of -18 C? (Hf=333 J/g)

Q: how many joules of heat does it take to melt 131 grams of ice that has an initial temperature of -24…

A: Mass of ice = 131 gTemperature = -24°CHeat of fusion (Hf) = 333 J/gWe need to determine the joules…

Q: Calculate the heat released, in Joules, when cooling a 350.0 g of aluminum bar from 70.0 degrees to…

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Q: Which equations heat, cool and can either heat or cool the surroundings? C4H4S(s) → C4H4S(l)…

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Q: the amount of heat energy needed

A: According to the question we have, C = 2.09 j/g.⁰C  T1 = –25⁰C T2 = –50⁰C m = 100 g The following…

Q: The specific heat of ice is 2.06 J/g°C.  Calculate how much energy is needed to heat a 52.0 gram…

A: The amount of heat energy required to raise the temperature of a substance can be calculated using…

Q: Calculate the heat change in calories for melting 75g of ice at 0 degrees Celsius.

A: Mass of water = 75 g Temperature = 0°C

Q: Adding 23.1 kJ of heat to 100.0 g of a substance caused a change in temperature from 50 °C to 175…

A: Given, Heat, Q = 23.1 kJ = 23100 J Mass of substance, m = 100.0 g Temperature, T1 = 50oC…

Q: How many grams of ice (at 0.00 °C) would be melted by the energy obtained as 15.2 g of steam is…

A: Specific heat of water = 4.18 J/goCHeat of fusion = 333 J/gHeat of vaporization = 2258 J/gHeat of…

Q: How much heat was absorbed (in J) if a 47.8 g sample of an alloy with a specific heat of 0.504 J/g…

A: Mass of the sample of an alloy = 47.8 g specific heat of the sample =  0.504 J/g °C Change in…

Q: How much heat (in J) is evolved or absorbed when a 36.2 g sample of aluminum (specific heat = 0.900…

A: In this question gven data , m=36.2gheat capacity=0.900J/(g K)∆T =T2 -T1T2=87.5°C=273+87.5=360.5KT1…

Q: Calculate the amount of heat needed to melt 116. g of solid benzene (C,H,) and bring it to a…

A: We have to calculate the quantity of heat required for benzene.

Q: 34. Draw the general shape of the temperature-energy graph for the cooling of acetone from 100 °C to…

A: During a phase change such as melting or boiling, the temperature of the system remains constant. In…

Q: The heat of fusion of water is 79.9 cal/g, The heat of vaporization of water is 540 cal/g, The…

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Q: What is the total amount of heat released in kilojoules when 92.0 g water at 50.0 C cools to form…

A: Given: Mass of water = 92g. Initial temperature of water = 50 oC And final temperature of water =…

Q: Isopropanol (C3H7OH, aka ‘rubbing alcohol’) has a heat of vaporization of 732.2 J/g. How many Jare…

A: Energy can be calculated as: Q = mHVap

Q: Calculate the amount of heat (in kJ) required to convert 75.0og of solid water to liquid water at…

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Q: The heat of fusion of water is 79.9 Cal/G. How much heat would be required to melt 75.9 G of ice?

A: Given: Mass of ice, m =75.9  g The heat of fusion of water =79.9 Cal/g

Q: How many joules of heat does it take to melt 117 grams of ice that has an initial temperature of…

A: To solve this problem, I used the concepts of specific heat, heat of fusion, and the calculation of…

Q: How much heat is needed to melt 23.8 g of copper that is at an initial temperature of 21.7 °C? The…

A: The heat of a solution can be expressed by the following formula   Q=mCΔT Q=heat m=mass C=heat…

Q: How many joules does it take to melt 50 g of ice at O0C. (heat of fusion = 333j/g)

A: The amount of heat required to convert one unit amount of substance from the solid phase to the…

Q: Report the answer using the correct number of significant figures! 1. How much energy is required to…

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Q: The heat of fusion of water is 79.9 cal/g. How much heat would be required to melt 94.8 g of ice?

A: Step 1:

Q: how much energy was lost by the graphite?

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Q: Four ice cubes at exactly 0°C with a total mass of 51.0 g are combined with 140 g of water at 75 °C…

A: Answer: This question is based on the conservation of energy where energy lost by water will be…

Q: What quantity of heat (in kJ) would need to be removed to cool 121.1 g of water from 25.60°C to…

A: Amount of heat need to be removed to be cool means heat energy required to decrease the temperature.…

Q: If 9560 J of energy were absorbed by 500. g of ice at 0.0°C, what would be the final temperature?…

A: Given,  Heat absorbed by ice = 9560 j Mass of ice = 500 gm Heat of fusion for ice = 335 J/gm Initial…

Q: Find the amount of heat energy needed to convert 100 grams (mass) of ice (use this information to…

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Q: Calculate the amount of heat needed to melt 28.8 g of solid benzene (C,Hs) and bring it to a…

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Q: Calculate the heat change in joules for melting 17.0 g of ice at 0 degrees Celsius.

A: Mass of ice ( water ) = 17g Temperature = 0°C

Q: How much total heat, in kJ, does it take to heat 82.58 grams of ice at 0°C to 91.36°C?   cwater =…

A: Here there are two heat to be consider as q1 = Heat require to melt the ice at 0 oC and q2 =  heat…

Q: How many grams of ice (at 0.00 °C) would be melted by the energy obtained as 15.5 g of steam is…

A: Latent heat is defined as the heat required to change the physical state of the substance and not…

Q: Ethanol (C2H5OH) melts at -114 degrees Celsius. The ent happy of fusion is 5.02 kJ/mol. The specific…

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Q: How many calories of heat does it take to change the temperature of 208.6 g of ice from -46.1°C to…

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Q: How much energy must be removed from 12.3 grams of solid aluminum in order to decrease the…

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Q: Calculate the joules lost when 28g of water cools from 86°C to 61°C.

A: Mass of water = 28g Initial temperature = 86°C Final temperature = 61°C  Using the we have to…

Q: Calculate the mass of ice required to cool 535 mL of diet cola (approximate as water) from 23.5 C to…

A: Heat extracted by ice to melt at 0oc  = Heat given by water[diet cola] to reach 0oc from 23.5oc.…

Q: To melt a sample of ice cubes at 0 °C, the cubes must absorb 41.8 kJ of heat. What is the mass, in…

A: Given: Heat absorbed by ice = 41.8 kJ = 41.8×103 J (since 1 kJ = 103 J) Heat of fusion of water =…

Q: How much energy is needed to convert 53.9 grams of ice at 0.00°C to water at 52.9°C? _______ J…

A: Given:      specific heat (ice) = 2.10 J/g°C     specific heat (water) = 4.18 J/g°C     heat of…

Q: After an afternoon party, a small cooler full of ice is dumped onto the hot ground and melts. If the…

A: Given,  Mass of ice     =  9.20kg Heat of fusion of water = 80cal/gm