How much heat in kJ is evolved in converting 1.00mol of steam at 145 degrees Celsius to ice at -50 degrees Celsius? The heat capacity of steam is 2.01J/g degrees Celsius, and that of ice is 2.09 J/g degrees Celsius

Q: ow much heat (in kJ) is required to warm 67.6 grams of ice to steam? The ice starts at an initial…

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Q: Calculate the heat required to convert 30.8 g of ethanol, C2H5OH, from a solid at -151.0 °C into the…

A: Given: Mass of ethanol is 30.8 g. MP of ethanol is -117.3oC. BP of ethanol is 78.3oC. Heat of fusion…

Q: The heat of vaporization for water is 540 cal/g.  How many kilocalories are needed to change 5 g of…

A: Heat capacity is defined as the ratio of heat energy absorbed by a substance to the temperature…

Q: Calculate the energy needed to convert 300. g of ice at -50.0 °C to steam at 220.0 °C. The heat of…

A: Given data,Mass of ice=300gInitial temperature=-50oC=-50+273=223KFinal…

Q: How much energy needs to be removed to turn 10g of water vapor into a liquid at the condensation…

A: Answer: amount of energy need to be remove is - 5400 cal or - 22593.6 Joule. (-) Negative sign…

Q: What amount of heat is required to convert a 1.5 kg block of ice at -15.0°C to steam at 150.0°C?…

A: Given: Mass of ice = 1.5 Kg = 1500 g                              (Since 1 Kg = 1000 g) Initial…

Q: How much energy in kJ would it take to heat up 25.23 g of water at 35 degrees C until it completely…

A: By help of specific heat of water, we can determine the energy -   Q = m C ∆T    where - Q = Heat…

Q: What amount of heat is required to convert a 1.5 kg block of ice at -15.0°C to steam at 150.0°C?…

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Q: How much heat in kilojoules is required to warm 10.0g of ice, initially at -10°C, to steam at 110°C?…

A: Given that: mass of ice = 10 g initial temperature = -10°C final temperature = 110°C Specific heat…

Q: Calculate the heat absorbed when 68.8g of ice at -30 C is converted to steam at 160 C

A: The process has steps like  I. Heating of ice to 0oC II. Melting of ice at 0oC III. Heating of water…

Q: Ethanol , C2H5OH, melts at -114oC and boils at 78oC. The enthalpy of fusion for ethanol is 5.02…

A: The given mass of liquid ethanol is converted into moles first.

Q: What amount of heat is required to convert a 1.5 kg block of ice at -15.0°C to steam at 150.0°C?…

A: To solve this problem we will use the formula   q = m•c•∆T  Where,  q = heat requires  m = mass of…

Q: If 8000 cal is needed to change the temperature of a certain amount of ice at -25°C to steam at…

A: Specific heat  of the substance of the  heat capacity of a sample of substance is divided by mass of…

Q: Calculate the amount of heat required to heat 25.0 g of water at 80.0°C to obtain steam at 100 °C.…

A: There are two processes involved here: 1. Heating water from 80°C to 100°C 2. Phase transition of…

Q: How much heat (in kJ) is needed to convert 776 g of ice at -10.0°C to steam at 126.0°C? (The…

A: The heat needed to convert ice to steam will be calculated in five steps as shown below: Total heat…

Q: How much heat (in kJ) is required to heat 55.9 g of ice at -10.6 oC to steam at 124.7 oC? Specific…

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Q: How much heat (in kJ) is required to warm 10.0g of ice, initially at -10.0 degrees celcius to steam…

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Q: The melting point of certain substance is 70oC, its normal boiling point is 450.0oC, its heat of…

A: melting point = 70oC normal boiling point = 450oC heat of fusion = 30 cal/g heat of vaporization =…

Q: How much heat (in kJ) is required to warm 289.3 grams of ice to steam? The ice starts at an initial…

A: According to Hess law, during the reaction the total heat change is same whether the reaction takes…

Q: How much energy (heat) is required to convert 52.0 g of ice at -10.0°C to steam at 100°C? 以ar…

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Q: How much heat is released when 110 g of steam at 100.0°C is cooled to liquid at 15.0°C? The enthalpy…

A: Answer :           Heat released when 110 g of steam at 100.00C is cooled to liquid at 15.00C =…

Q: 11. How much energy in Joules is released when 117.1 g of steam at 100 deg C is converted to water…

A: Initial conditions: 117.1 g of steam at 100 degrees celsius Final conditions: Liquid water at 44.82…

Q: energy necessary to raise the temperature of 1 L of ethanol (d=0.7849 g/mL) from 25 to 78.3 degrees…

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Q: How many joules are needed to change 50 g of ice at 0°C to steam at 120°C?The latent heat of fusion…

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Q: 4. If 8000 cal of heat is needed to change the temperature of a certain amount of ice at -25°C to…

A: Given:∆H =8000calT1 = -25oCT2 = 135oCci = 0.50 cal/goCcs=0.46 cal/goCcw = 1 cal/goCLf =80 cal/gLv=…

Q: Calculate the heat you need to intake / give in order to solidify all 1 kg of mercury, which is…

A: Given  mass of mercury = 1 kg  freezing point of mercury = -39o C  boiling point = 357o C specific…

Q: What amount of heat is required to convert a 1.5 kg block of ice at -15.0°C to steam at 150.0°C?…

A: Given the mass of ice block, m = 1.5 Kg = 1.5 Kg * 1000 g1 Kg= 1500 g The required constant values…

Q: Calculate the heat required to increase the temperature of 630 grams of ice from -2°C to 23°C and…

A: A numerical problem based on thermochemistry that is to be accomplished.

Q: How much heat (in kJ) is required to heat 55.9 g of ice at -20.7 oC to steam at 118.3 oC? Specific…

A: Answer:- This question is answered by using the simple concept of calculation of heat required to…

Q: If 52 kJ of energy is required to convert 17 g of ice to steam at 100°C, what is the initial…

A: The overall changes taking place are as follows: ice (T°C)→ice (0°C)⇌Water (0°C)→Water (100°C)⇌steam…

Q: What amount of heat is required to convert a 1.5 kg block of ice at -15.0°C to steam at 150.0°C?…

A: We will write reactions to convert ice to steam and then calculate total heat required.

Q: The specific heat of liquid thallium, TI, is 0.13 J/g C. The heat of fusion of thallium is 4.29…

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Q: How much heat energy is released when 11.30 grams of steam (c 2.01 J/g°C, AHp = 2,260 J/g) at an…

A: Given data:  Mass of steam = 11.30 gm specific heat C = 2.01 J/g0C Latent heat of vaporization…

Q: How much heat (in kJ) is required to warm 64.8 grams of ice to steam? The ice starts at an initial…

A: Given that -  Mass of ice = 64.8 g  Initial temperature of ice = -16.2°C  Final temperature of steam…

Q: 3. Calculate the amount of heat (in kJ) required to convert 827.0 g of ice at -17°C to steam at…

A: Mass of ice = 827.0 g

Q: Calculate the heat required to convert 15 g of ethyl alcohol (C2H6O) from a solid at -135° c to a…

A: Melting and vaporisation both are endothermic process which means heat is absorbed by the ethyl…

Q: How many joules are needed to change 20g of water at 25°C to steam at 150°C? Assume the specific…

A: We have mass of water = 20 g            Initial temperature (T1) = 250C            Final temperature…

Q: Five grams of steam at 110 C is cooled and frozen to -10 C.  Draw a temperature us cooling diagram…

A: Steam gets cooled till 100 ◦C then it gets converted into liquid at 100  ◦C. Then liquid gets cooled…

Q: The specific heat of liquid thallium, TI, is 0.13 J/g C. The heat of fusion of thallium is 4.29…

A: Given: Mass of thallium = 10.0 g. Initial temperature of solid thallium = 304 oC And final…

Q: Calculate the heat required to change - 10°C of 100 g of ice to 110°C steam.

A: Calculation of heat change - 10°C of 100 g of ice to 110°C steam: When 100 g of the ice which is at…

Q: Calculate the heat required to convert 22.2 g of propyl alcohol, C3H3O, from a solid at -141°C into…

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Q: The heat of fusion of water is 333 kJ/kg at 0°C and the heat of vaporization is 2260 kJ/kg at 100°C.…

A: Given mass of ice is 2.50 kg  Given heat of fusion water is 333 kJ/kg at 0° C and heat of…

Q: How much heat (in joules) must be added to change 20.0 g of H2O(s) at –10.0°C to steam at 110.0°C?…

A: In the heating process the below steps will take place. 1) heating of ice from –10°C to melting…

Q: When 95.0 grams of ethanol condenses to liquid, how much energy is lost? H(vap) 38.6 kJ/mol and…

A: Given that: mass of ethanol = 95.0 g H(vap) = 38.6 kJ/mol  Molecular weight of Ethanol = 46 g/mol…

Q: How much energy is required to heat 95.0 g of ice from -13.0oC to steam at 145oC? The specific heat…

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Q: Ethanol (C2H5OH) melts at -114 oC and boils at 78 oC. The enthalpy of fusion of ethanol is 5.02…

A: Given,Mass of ethanol = 20.18g.Enthalpy of fusion of ethanol = 5.02kJ/mol.Enthalpy of vaporization…

Q: What amount of heat, in kJ, is required to convert 3.60 g of water at 67.0 °C to 3.60 g of steam at…

A: Conversion of 3.60 g of water at 67 °C to 3.60 g water at 100 °C Given, Specific heat of water=4.184…

Q: How much heat is required to convert 20.0 g of ice at -50.0 degrees Celcius to liquid water at 0.0…

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