Two 20.0 g ice cubes at −21.0 ∘C are placed into 215 g of water at 25.0 ∘C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature, ?f, of the water after all the ice melts.

Q: (a) If 83.0 g of ice at 0.0oC is placed in 235mL of water at 28.0oC, find the final temperature of…

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Q: wo 20.0 g ice cubes at -20.0 °C are placed into 215 g of water at 25.0°C. Assuming no energy is…

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Q: Two 20.0 g ice cubes at −15.0 ∘C−15.0 ∘C are placed into 295 g295 g of water at 25.0 ∘C.25.0 ∘C.…

A: Given : Mass of ice cube = 20.0 g Number of ice cubes = 2  Initial temperature of ice = -15.0 oC…

Q: Two 20.0 g ice cubes at –10.0 °C are placed into 205 g of water at 25.0 °C. Assuming no energy is…

A: Suppose, final temperature of water is Tf °C Given that, heat capacity or H2O (s) of ice = 37.7 J…

Q: Using 2 mols of ice, a student performed an experiment to determine the molar enthalpy of fusion for…

A: Given : moles of ice = 2 mol Accepted value of ΔHfus = 6.01 KJ/mol And % error = 4.5 %

Q: Two 20.0 g ice cubes at -20.0 °C are placed into 245 g of water at 25.0 °C. Assuming no energy is…

A: Mass of each ice cube = 20.0 gTemperature of each ice cube = -20.0 °CMass of water = 245…

Q: 3.) How much heat (J) is required to convert a 90.10 g sample of ice at –45.0°C into to water at…

A: First the compound must be taken to the O℃ then it should melt . In these two step heat is required…

Q: Two 20.0 g ice cubes at −20.0 ∘C−20.0⁢ ∘C are placed into 245 g245 g of water at 25.0 ∘C.25.0⁢ ∘C.…

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Q: cry 8°F Clear X app.101edu.co Substance CsHs (9) O: (g) CO₂ (g) H₂O (g) b Answered: Ice cubes at 0°C…

A: A combustion reaction refers to a reaction in which a fuel reacts with an oxidizing agent to release…

Q: A quantity of steam (200 g) at 123°C is condensed, and the resulting water is frozen into ice at…

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Q: Dry ice sublimes into carbon dioxide at -78.5 °C. What is true about the heat of the system (qsys)…

A: Sublimation is change of state  from solid to gas without changing to liquid state.

Q: calculate the quantity of energy in kj required to change 73.92 grams of liquid water at 38.8…

A: The liquid water is heated to raise the temperature from 38.8 to 100 degree Celsius. Then conversion…

Q: You mix 18.0g of ice that's at -25.0C with 150.0 mL of water that's at 38.0C. Once the ice has…

A: Heat released is given by  Q = m c (T2-T1) Where m is the mass of the substance  C is the specific…

Q: Two 20.0 g ice cubes at −20.0 ∘C are placed into 255 g of water at 25.0 ∘C. Assuming no energy is…

A: Given data is  Mass of the ice cube = 20.0 g Temperature of the ice cubes =−20.00 C  Mass of water…

Q: Calculate the amount of heat energy in kJ, it takes to increase the temperature of 40.0 grams of…

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Q: The boiling point of liquid E is 30.5 °C at 1 atm (760.0 torr). Its vapor pressure at -25.5 °C is…

A: It is an application of  Clasius Clapyeron equation  Here we are required to find enthalpy of…

Q: Two 20.0 g ice cubes at −17.0 ∘C are placed into 245 g of water at 25.0 ∘C. Assuming no energy is…

A: Given,Mass of two ice cubes, mice = 2 * 20.0 g = 40.0gMass of water, mwater = 245 gInitial…

Q: The enthalpy change for converting 2.00 mol of ice at -38.0 °C to water at 9.0 °C is ________ kJ.…

A: Given : Initial temperature of ice = -38.0 oC Final temperature of water = 9.0 oC And moles of water…

Q: The vapor pressure of ethanol, C2, H5, OH, at 50.0°C is 233 mm Hg, and its normal boiling point at 1…

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Q: From the data below, calculate the total heat (in J) needed to convert 30.00 g of ice at −4.50°C to…

A: Given m.p. at 1 atm: 0.0°C   ΔH°fus : 6.02 kJ/mol c liquid:  4.184 J/g ·°C   csolid: 2.09…

Q: Calculate the enthalpy change (in J) when a 2.75 g sample of water at 25.0 \deg C and 1 atm is…

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Q: how many moles of water are present if 53.3 kJ of heat are required to melt a sample of ice at 0°C?…

A: • The melting of ice can be represented as,                  H2O(s) → H2O(l)    • The values…

Q: 2. The boiling point of methanol is 338 K. What is the vapor pressure of methanol at 250 K, given…

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Q: The enthalpy of vaporization of water is larger than its enthalpy of fusion. Explain why.

A: Given:It is given that,"The enthalpy of vaporization of water is larger than its enthalpy of…

Q: How much heat is released ( in J) when 54.0 g of water at 10.0 °C is cooled to form ice at - 10.0…

A: Given the mass of water, m = 54.0 g  The initial state is water at 10.0 oC.  The final state is ice…

Q: Use the following data to calculate AvapHo for water at 298 K. Avap Ho for water at 373 K is 40.7…

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Q: Use the following information to determine the molar enthalpy of vaporization of water. 1 H₂(g) +…

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Q: Two 20.0 g ice cubes at -16.0 °C are placed into 215 g of water at 25.0 °C. Assuming no energy is…

A: mass of ice, m1=20g                                                                     mass of…

Q: How much heat energy, in kilojoules, is required to convert 39.0 gg of ice at −−18.0 ∘C∘C to water…

A: Mass of ice = 39.0 g

Q: How much heat must be lost to freeze 75.3 g of water at 11°C? - use the following formula: q= m…

A: The enthalpy change of the system when one mole of a solid substance is converted in to the…

Q: Two 20.0 g ice cubes at -18.0 C are placed into 225 g of water at 25.0 "C. Assuming no energy is…

A: Given data: The mass of Two 20.0 g of ice mass = 40.0 g Temperature of ice = -18.0 °C The Mass of…

Q: Two 20.0 g ice cubes at –13.0 °C are placed into 235 g of water at 25.0 °C. Assuming no energy is…

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Q: A 0.598 g sample of steam at 107.9 ∘C is condensed into a container with 4.70 g of water at 14.1 ∘C.…

A: The working formula is  q = m×s×∆T  q = heat absorbed or released  m = mass  s = specific heat  ∆T =…

Q: . A cooling bath is prepared in a laboratory by mixingchunks of solid CO2 with ethanol. CO2(s)…

A: cooling bath is a liquid mixture which is used to maintain low temperatures, typically between (-13…

Q: Two 20.0‑g ice cubes at −20.0 ∘C are placed into285 g of water at 25.0 ∘C. Assuming no heat is…

A: Given information: Mass of ice = 20.0 g Mass of water = 285 g Initial temperature = -20 ℃ Final…

Q: Ice cubes at 0°C with a total mass of 645 g are put in a microwave oven and heated with 750. W (750.…

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Q: Dichlorodifluoromethane (CCl2F2) is a liquid that cools by evaporating (vaporizing). How many…

A: The energy required to transfer a given amount of liquid into a gaseous state is known as the heat…

Q: An ice cube at 0.00 °C with a mass of 23.5 g is placed into 550.0 g of water, initially at 28.0 °C,…

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Q: Two 20.0 g ice cubes at −16.0 ∘C are placed into 225 g of water at 25.0 ∘C. Assuming no energy is…

A: Given,Mass of two ice cubes, mice = 2 × 20.0 g = 40.0 gMass of water, mwater = 225 gInitial…

Q: A 0.544 g sample of steam at 103.3 ∘C is condensed into a container with 5.90 g of water at 14.2 ∘C.…

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Q: A 0.542 g sample of steam at 107.3 ∘C is condensed into a container with 5.61 g of water at 14.7 ∘C.…

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Q: How much heat energy, in kilojoules, is required to convert 66.0 g of ice at −18.0 ∘C to water at…

A: To solve this problem first we calculate the heat needed to increase the temperature of ice to 0°C…

Q: Given that the heat of fusion of water is -6.02 kJ>mol, the heatcapacity of H2O(l) is 75.2…

A: Data given :  The heat capacity of H2O (l)  = 75.2 J/mol⋅K = 0.0752 kJ/ mol.K The Heat capacity of…

Q: Two 20.0 g ice cubes at -10.0 °C are placed into 265 g of water at 25.0 °C. Assuming no energy is…

A: Two 20.0 g ice cubes at - 10.0 °C are placed into 265 g of water at 25.0 °C .We have to calculate…