It is evidential that when hot steamed water vapor comes into contact with a cold surface, water droplets form, like in distillation processes. This process is an example of heat transfer. Which of the following processes can be deemed as an Exothermic process? evaporation boiling condensation melting

Q: Suppose a student heated the hydrate sample for approximately five seconds instead of one minute.…

A: Those solid compound contain some water(H2O) molecules by trapping inside the crystal is known as…

Q: How much heat (in J) is required to warm 1.97 grams of substance G (specific heat capacity 0.850…

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Q: You want to heat up a piece of ceramic with a mass of 194 g. How much heat (in kJ) is required to…

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Q: 10.0g of ice at 0.00*C is mixed with 25.0 g of water at 35.00*C in a calorimeter. What is the final…

A: Here we need to calculate Tf means final temperature. msample= 10.0g  c is the specific heat of…

Q: A 155.0 g piece of copper at 146 oC is dropped into 250.0 g of water at 15.3 oC. (The specific heat…

A: The heat lost by copper will be equal to the heat gained by water as there is no loss of heat to the…

Q: The heat equation, as given in the introduction, can also be rearranged to calculate the mass or…

A: The specific heat required to raise the temperature of a substance is given as:

Q: To heat 100. g of solid aluminum, Al, from 25.0 oC to 150.0C requires ___ kJ of heat.The heat…

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Q: A 35.0-g sample of water at 25°C is mixed with 45.0 g of water at 88°C. Calculate the final…

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Q: How much heat did a cold water sample absorb if 53.88ml of water initially at 22.2 celcius to 32.5…

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Q: mass

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Q: The specific heat capacities of copper, gold, and cobalt are given. Based on this information, which…

A: Specific heat capacity means the amount of heat required to raise the temperature of 1 gram of a…

Q: calories need to melt 80.0 g of ice at 0°C and to warm the liquid to 65° C (two steps)

A: Given : Mass of water = 80.0 g Initial temperature of ice = 0.0 oC And final temperature of ice = 65…

Q: In terms of heat energy, what happens when a solid changes to a liquid and then to a gas

A: Heat energy is essential for the transformation of physical states. Heat is a form of energy which…

Q: When 48.0 JJ of heat is added to 13.4 gg of a liquid, its temperature rises by 1.71 ∘C∘C.

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Q: Suppose a 1-m^3 sample of air at sea-level pressure, containing 7g of water vapor, was cooled and…

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Q: A 3.75 g piece of gold initially at 587.15 K is dropped into 20.6 mL of water at 295.75 K. Calculate…

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Q: How much heat is released whne 233 grams of water at room temperature (25 degrees C) is frozen into…

A: Specific heat capacity of water (c) = 4.184 J/g°C Initial temperature (T1) = 25°C  Final temperature…

Q: the system is the substance undergoing the chemical or physical change, while the surroundings…

A: The statement is indeed true. In thermodynamics, the system is the part of the universe that is…

Q: A 31.1 g wafer of pure gold at 69.3 is submerged into 64.2 g of water at 27.8 in an insulated…

A: given: mass of gold = 31.3 g initial temperature of gold = 69.3oC mass of water = 64.2 g initial…

Q: Match these thermochemical terms with the following statements. all matter around a system that is…

A: In a thermodynamic system which allows only heat to flow not the matter is called a closed system…

Q: An electrical heater is used to supply 250.0 J of energy to a 20.0 g sample of water (specific heat…

A: Given,Mass of water = 20gq = 250 J.Specific heat of water = 4.184 J/go C

Q: How many kJ of heat is needed to raise the temperature of 0.250 L of water in t liquid phase from…

A: Volume of water V = 0.250 LT1 = 24.6 oCT2 = 46.2 oC

Q: Consider the following specific heats of metals. Metal Specific Heat Aluminum 0.897 J/°C∙g…

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Q: How much heat energy is lost when a 15.00 gram sample of water cools from 42°C to a final…

A: Specific heat capacity is defined as the heat  required to raise the temperature of one gram of a…

Q: The specific heat capacity of iron is 0.45J/gC   How many joules of energy are needed to warm 1.16g…

A: Given: Specific heat capacity of iron= 0.45J/gC  Mass of iron= 1.16 g T1= 20.0 C T2= 29.0 C

Q: Sort the following scenarios based on whether they result in positive or negative heat (+heat or…

A: Answer: Whenever system ( be it object or chemical reaction) loses the heat then heat change will be…

Q: a 155.0g piece of copper at 117 degrees celcius is dropped into 250.0g of water at 16.5 degrees…

A: Use calorimetry principle to get answer Heat flow from high temperature to low temperature. Heat=…

Q: A 64.58 g sample of lead has an initial temperature of 21.34 °C. The specific heat of lead is 0.129…

A: Answer:1It is a 2 step process:Heating of solid Pb up to its melting pointMelting of solid lead

Q: A 35.0-g sample of water at 25°C is mixed with 45.0 g of water at 88°C. Calculate the final…

A: Calculate for the final temperature of the mixture see step-2 for further Calculation and concept…

Q: A 337.2 g sample of acetone gas with a temperature of 56.0°C is converted to a liquid with a…

A: Answer :- 182.1 kJ…

Q: A 75.0 g piece of copper metal at 95.0°C is in contact with 30.0 g of water at 22.5°C.  Assuming no…

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Q: When one mole of C6H6C6H6 is burned, 3.27 MJ3.27 MJ of heat is produced. When the heat from burning…

A: The number of moles of C6H6 is 1 mol. The heat released is 3.27 MJ. The weight of C6H6 is 7.87 g.…

Q: An ionic solid is dissolved in a beaker of water at room temperature. After the crystals have…

A: The process in which heat is absorbed is known as endothermic process.In this type of…

Q: what is the specific heat of something that goes from 23.6 degree celcius to 33.7 degree celcius…

A: Using conservation of energy equation   Q=mC∆twhereQ=heat energy m=mass of substanceC=specific heat…

Q: A solution is made by mixing252.0 mL of ethanol initially at 11.0 ∘C11.0 ∘C with 252.0 mL252.0 mL of…

A: According to law of conservation of energy,

Q: When a 43.0 g sample of metal at 100.0 oC is added to 38.0 g of water at 23.72 oC, the final…

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Q: Calculate the heat capacity for 50.0 g of water in units of J/oC and calories/oC.

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Q: Determine the final temperature of a gold nugget (mass = 376 g) that starts at 288 K and loses 4.85…

A: Specific Heat Capacity of gold is =0.128 J/gc Initial temperature = T1 = 288K…

Q: How much heat, in joules, must be added to a 95.8 g iron block with a specific heat of 0.509 J/g °C…

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Q: Choose the INCORRECT statement. The energy stored in chemical bonds or generated from intermolecular…

A: 1. Correct statement.The energy stored in chemical bonds or generated from intermolecular forces is…

Q: A unknown metal is thought to be gold. When 2.8 J of heat are added to 5.6g of the metal its…

A: Heat given to the metal, Q =2.8 J Mass of metal taken, m =5.6 g Increase in temperature, ∆T = 1.72˚C…