A 0.867 kg sample of ethanol is in its liquid state at its boiling temperature of 78 C. If 1.93e5 J of energy are transferred into the sample, what percentage of the sample is vaporized? ethanol has: a specific heat of 1000 J/kgK in solid form, a specific heat of 2010 J/kgK in liquid form, a freezing temperature of –114 C a boiling temperature of 78 C, a latent heat of fusion of 1.05e5 J/kg, and a latent heat of vaporization of 8.54e5 J/kg

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Q: An ice cube at 0 degrees C is dropped into a container with 0.5 kg of water at 20° C. The specific…

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Q: A 0.61 kg sphere at 368 K is dropped into a thermally insulated container with 1 kg of water at 300…

A: Given : Mass of Sphere (M) = 0.61 kg Initial Temperature of Sphere = 368 K Mass of Water (m) = 1 kg…

Q: If 31.0 g of milk at a temperature of 4.15°C is added to a 250-g cup of coffee at a temperature…

A: Let the final temperature is T

Q: A 75.0-g cube of ice at −10.0°C is placed in 0.610 kg of water at 50.0°C in an insulating container…

A: Given data: The mass of ice cube is mi=75 g. Temperature of ice cube is Ti=-10°C. The mass of water…

Q: A 34-g ice cube floats in 190 g of water in a 100-g copper cup; all are at a temperature of 0°C. A…

A: The expression for the heat energy gained by the water is as follows; Qw=190×10-3kg4186…

Q: What is the final temperature of the water, in degrees Celsius?

A: Principle of calorimetry According to the principle of calorimetry, if two bodies at different…

Q: ce at 0.0°C is mixed with 8.30 × 102 mL of water at 25.0°C. How much ice must melt to lower the…

A: Solution: given that ice temperature Tice,i=0 degree C The volume of water V=8.33x102 mL water…

Q: A 0.766 kg sample of lead is in its solid state at it freezing temperature of 328 C. If 5.11e3 J of…

A: Mass of lead that can be converted into liquid from solid state using 5.11×103 J of energy is,

Q: Sixty grams of water are at an initial temperature of 26 °C. Calculate the heat required to…

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Q: Rina is a physics student that enjoys hot tea. She wants to determine how much ice is needed to cool…

A: mass of tea (m)= 0.21 kg final temperature of tea (T) = 57.8oCInitial temperature of tea (T') =…

Q: A block of aluminum at a temperature of T1 = 31 degrees C has a mass of m1 = 14 kg. It is brought…

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Q: One way to cool a cup of coffee would be to plunge an ice-cold piece of aluminum into it. Suppose a…

A: The heat required for a material to change its temperature is given by Q = mc∆T, where m = the mass…

Q: A 0.771 kg sample of lead is in its solid state at a temperature of 294.6 C. How much energy is…

A: Consider the lead of mass m having latent heat of fusion Lf.

Q: A 0.045-kg ice cube at -30.0°C is placed in 0.405 kg of 35.0°C water in a very well-insulated…

A: Given data: The mass of ice is m=0.045 kg. The mass of water is M=0.405 kg. The initial temperature…

Q: A ceramic container used for melting metals (called a crucible) contains 1.30 kg of a molten metal.…

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Q: Determine the direction of force O Down, right O Up right O Down, Left O Up. Left

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Q: A 3.00kg sample of gaseous sulfur is initially at its boiling/condensing temperature of 444.6°C. We…

A: m = 3 kg initial boiling temperature  = 444.6 degree C final temperature = 45 degree C

Q: A small amount of water of mass m=50 g in a container at temperature T=273 K is placed inside a…

A: Given: The mass of water is m=50 g. The temperature of water is T=273 K. The latent heat of fusion…

Q: A 0.035-kg ice cube at -30.0°C is placed in 0.405 kg of 35.0°C water in a very well-insulated…

A: Let the final temperature be Tf.  Heat required to change temperature △T of a sample of mass m and…

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Q: A blacksmith cools a chunk of iron initially at 625 °C by trickling water from a jug over it. The…

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Q: A scientist is trying to determine the specific heat of 15.0 g of an unknown substance. He heats up…

A: Given: Mass of unknown substance = 15 g Temperature before placing it into water = 100 °C Mass of…

Q: A bullet made of silver (specific heat 234 J/kg deg C) traveling at 480 m/s hits a wooden post and…

A: Given data: Specific heat capacity (c) = 234 J/kg.°C Speed (v) = 480 m/s Heat Energy (Q) = 41% of…

Q: A 38-g ice cube floats in 250 g of water in a 100-g copper cup; all are at a temperature of 0°C. A…

A: The given values are, mice=38 g=0.038 kgmw=250 g=0.250 kgmcu=100 g=0.100 kgTi,w=0° CTlead=90°…

Q: On a hot dry day, evaporation from a lake has just enough heat transfer to balance the 1.00 kW/m2 of…

A: The rate of heat coming from the Sun isThe time of evaporation of the lake water is The latent heat…

Q: How much heat transfer is required to raise the temperature of a 800 g aluminum pot containing 2000…

A: Given data: Mass of aluminum (mAl) = 800 g Mass of water (mw) = 2000 g Initial temperature of the…

Q: One way to keep the contents of a garage from becoming too cold on a night when a severe subfreezing…

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Q: The air above water is cooled as a result of the water absorbing heat from the air. How large a…

A: Concept used: Heat absorbed from water remains constant. It depends on specific heat of air and…

Q: The heat of vaporization of water is 540 cal/g, and the heat of fusion is 80 cal/g. The heat…

A: We will need the total heat for three steps 1) converting ice at -15°C to ice at 0°C. 2) converting…

Q: Roger heats a brass metal cube (specific heat = 375 J/kg·°C) to 70.0°C and places the cube into an…

A: Water is  initially at a temperature of 100CWater gains heat from the brass metal cube, which is at…

Q: A certain alcohol has a specific heat of 0.57 cal/g\deg C and a melting point of -114\deg C. You…

A: There are mainly three forms of water: ice, water( liquid state) and gas. When ice is melted into…

Q: To determine the specific heat of an object, a student heats it to 100 ∘C in boiling water. She then…

A: It is given that, the object is first heated to 100°C and then placed on an aluminum calorimeter…

Q: A 0.826 kg sample of lead is in its solid state at its freezing temperature of 328 C. how much…

A: Consider the lead of mass m having latent heat of fusion Lf.

Q: A 34.0-g ice cube floats in 234 g of water in a 100-g copper cup; all are at a temperature of 0°C. A…

A: Given mass of ice cube mi=34gmass of water mw=234g

Q: Many species cool themselves by sweating, because as the sweat evaporates, heat is transferred to…

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Q: A 50-g ice cube floats in 220 g of water in a 100-g copper cup; all are at a temperature of 0°C. A…

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Q: Meltdown: A certain metal has a melting point of 724 °C, and a heat of fusion (latent heat) of 77.7…

A: Heat required to melt the sample and bring it to a final temperature of 999 oC. Given, Melting point…

Q: You have to samples of equal mass one of gold and one of copper that you heat up to 120ﾟC. Gold has…

A: Given information: The specific heat of gold (G) = 1260 j/kg. K The specific heat of copper (C) =…

Q: Ice at 0.0°C is mixed with 6.30 × 102 mL of water at 25.0°C. How much ice must melt to lower the…

A: The objective of the question is to find out how much ice must melt to lower the temperature of a…

Q: There is a .32 kg block of silver that is 21 °C. If silver's melting point is 961°C, how much…

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Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.