1. Suppose the sun were used as a heat source to warm some water in a solar-heated house or swimming pool. How much (solar) energy (in both kcal and kJ) is stored in a filled 750-liter water tank when the temperature of the water is raised from 25EC to 65EC? 2. How many kcal are needed to convert 20 g of ice at 0EC to steam at 100EC? 3. What would be the final temperature of the water resulting from the addition of 20 g of steam at 100EC to 80 g of ice at 0EC?

Q: 4.This is a low cloud that produces rain: Cirrostratus   Altostratus   Nimbostratus…

A: 4. Low clouds lie in the region 2000 metres above the ground. These are dark clouds that are…

Q: The enthalpy change for converting 7.00 mol of ice at -39.0 °C to water at 30.0 °C is _____kj. The…

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Q: Heat is required to melt a solid. The amount of heat, called the heat of fusion, depends on the…

A: Given : Volume of coke = 340 mL  Initial temperature of coke = 20.5 oC Final temperature of coke =…

Q: The enthalpy change for converting 10.0 g of ice at -50.0 °C to water at 50.0 °C is ________ kJ.…

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Q: The following information is given for silicon at 1 atm: Heat of vaporization = 2.528 × 103 cal/g…

A: Given : Mass of silicon = 44.90 g Initial phase of silicon = solid…

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: What is the process of the cooling curve of Naphthalene from 90 degrees to 55 degrees? tips (cool to…

A: According to the laws of thermodynamics, the process of freezing/melting or boiling takes place at…

Q: How much heat is required to change 265.4 g of water at 70.3°C to steam at 100.0°C? kcal

A: The amount of heat required to change 265.4 g of water at 70.3°C to steam at 100.0°C is to be…

Q: Calculate the heat required to convert 24.3g of water at 18.0 °C into steam at 100.0 °C. Report your…

A: Given data: Mass of water = 24.3 g The initial temperature of water = 18.0°C Water will first change…

Q: What is the boiling point (°C) of water on the top of Mount Everest where the atmospheric pressure…

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Q: Ammonia 1NH32 boils at -33 °C; at this temperature it has adensity of 0.81 g>cm3. The enthalpy of…

A: GIVEN: Density of NH3 = 0.81 g/ml Heat of Formation of NH3 = -46.2 kJ/mol 1/2N2(g)  + 3/2H2(g)…

Q: 0-1. Here is some physical data for the compound trichlorofluoromethane, Ca;F also called freon-1…

A: Mass of compound = 74.5 g Initial temperature = -52.30C Final temperature = 44.9 oC

Q: Heat is required to melt a solid. The amount of heat, called the heat of fusion, depends on the…

A: Given : Volume of coke = 340 mL Density of coke = density of water = 1.0 g/mL Specific heat capacity…

Q: 125-g metal block at a temperature of 93.2 oC was immersed in 100 g of water at 18.3 oC. Given the…

A: Given data set: Mass of metal block = Mb = 125 g Initial temperature of block = Tbi = 93.2 °C Mass…

Q: A 41.90 g sample of solid bismuth is initially at 248.00°C. If the sample is heated at constant…

A: Given data, Mass of Bismuth sample = 41.90 g Initial temperature = 248.00oC Final temperature =…

Q: The heat of fusion of pure silicon is 43.4 kJ/mol. How much energy in kJ would be needed to melt a…

A: Given: The heat of fusion of Si, (∆Hfus) = 43.4 kJ/mol. The mass of Si, (m) = 9.29 g. The molar mass…

Q: Using the data below, determine how much heat (in Joules) is required to convert 405.0 g of ice at…

A: we have to calculate the heat needed for the given conversion

Q: Write legibly, provide manual step by step solution, and diagram for below given problem. 150 grams…

A: Given,  Weight of water (m) = 150 g  Temperature (T) = 75 °C  The energy of heat required to…

Q: Determine the final state and temperature of 100 g of water originally at 25.0°C after 50.0 kJ of…

A: The state change like solid to liquid state, liquid to vapor (gaseous) state always requires certain…

Q: all the water is heated to a final temperature of 87.0°C. Use the provided data and the heating…

A: Answer-: to find all the water 87°C temperature heat required by three phase solid , liquid-solid…

Q: Calculate the heat exchange (in kJ) involved in the conversion of 27.64 g of solid acetone, C3H60 at…

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Q: What is the final temperature of the mixer of 50 g of steam at 100° mixed and 170 g of ice at its…

A: As the system is thermally insulated Heat given out by steam is heat absorbed by the system   Heat…

Q: CH3CH3, CH3OH and CH3CHO Which one would have a higher heat of vaporization and why?

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Q: The heat of fusion of pure silicon is 43.4 kJ/mol. How much energy in kj would be needed to melt a…

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Q: 50g of ice at -50.0C is heated to 80C, how much energy (in kJ) is required?

A: The temperature at which solid start melting is called melting point and reverse of this process is…

Q: How much heat in kJ is required to transform a 500-g ice at-15°C into tiquid water at 55°C? (Express…

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Q: How many grams of diethyl ether would need to condense in order to release 19.87 kJ of heat? The…

A: The number of moles of diethyl ether that required to release 19.87 kJ of energy is calculated as…

Q: What is the change in energy (in kJ) when 24.0 g of water at 85.0°C is converted to ice at 0°C? ОА.…

A: The amount of heat released when the water freezes is also known as the latent heat of fusion and is…

Q: The enthalpy change for converting 1.00 mol of ice at -25.0°C to water at 90.0°C is  The specific…

A: Given: The temperature of 1.00 mol of ice is changed from -25.0°C to 90.0°C. The specific heat of…

Q: melting point at 1 atm 97.80°C specific heat of liquid sodium 1.38 J/g°C specific heat of solid…

A: To determine the amount of heat, we use the following equation: Q= m×c×∆T where Q= heat (in J)…

Q: Calculate the amount of energy absorbed when 75g ice @ -4C melts to 31 C Did a phase change occur?…

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Q: How much energy must be removed from 200 g of water beginning at 25 oC to convert it to ice cubes at…

A: Given : Mass of water = 200 g Initial temperature of water = 25 oC And final temperature of water =…

Q: why one gram of steam at 100C causes more serious bum than 1 gram of water at 100c' a. The steam has…

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Q: Draw the heating curve for ice at -30.0  °C to steam at 130.0 °C and label the phases on the lines…

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Q: A medicine tablet producer wants to get rid of the alcohol used during the process of compounding.…

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Q: What is the amount of energy that needs to be provided to concentrate 50 m³ of fermentation…

A: Given :   Heat of vaporization = 2270 KJ/Kg…

Q: To convert 20 g of ice at -5oC to 120oC to steam you need _______ cal of energy?

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Q: Enter your answer in the provided box. Sulfur dioxide is produced in enormous amounts for sulfuric…

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Q: Enter your answer in the provided box. Sulfur dioxide is produced in enormous amounts for sulfuric…

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Q: How manga cubic trots (trots^3) in 1.25 cubic flops (flops^3)

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Q: Determine the heat of dissolution, in kJ/mol, of 0.250 mol C2 having a specific heat of 0.82 J/g °C.…

A: Specific heat  = 0.82J/g °C Mass of C2  = 9g No. Of moles in 9g of C2 = 9÷24 = 0.375mol Specific…

Q: Question 8 of 28 Submit How much heat (in kJ) would need to be removed to cool 213.5 g of water from…

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Q: How many joules of heat are required to heat 24.5 g of ethyl alcohol from the prevailing room…

A: Using the relation Q=mCΔT , heat requred can be calculated.

Q: A tray of liquid water is placed in a freezer where it cools from 20 dgeC to -5 degC. What is the…

A: Initial temperature = 20 °C Final temperature = - 5 °C Specific heat of liquid water = 2 ( specific…

Q: hich of these properties of water is responsible for capillary action in plants? a. High thermal…

A: Answer - The correct option is (c) Surface tension Capillary action occurs when the adhesion to the…

Q: f the heat of vaporization of water is 539.5 calories per gram, how many calories of heat are needed…

A: Given that,heat of vaporization of water = 539.5 cal/gmass of water that needs to be vaporized =…