What amount of heat (in kJ) is required to convert 25.8 g of an unknown liquid (MM = 83.21 g/mol) at 19.2 °C to a gas at 93.5 °C? (specific heat capacity of liquid = 1.58 J/g･°C; specific heat capacity of gas = 0.932 J/g･°C; ∆Hvap = 22.5 kJ/mol; normal boiling point, Tb = 57.3°C)

Q: What quantity of heat in kJ must be removed from a 35.0 g sample of water initially at 43.0 oC for…

A: Given : Mass of water = 35.0 g Initial temperature of water = 43.0 oC And final temperature of water…

Q: how much energy (in kcal) is required to convert 122.2 g of benzene (c6h6) from a liquid to a gas,…

A:

Q: 50.0 grams of ethanol are heated from -120.°C to 25.0°C how many joules were required? Ethanol heat…

A: Given : Mass of ethanol = 50.0 g Initial temperature of ethanol = -120 oC And final temperature of…

Q: Compound Z has a heat of vaporization of 155.9 J/g, a specific heat capacity of 2.08 J/gºC, and…

A: Given, Boiling point = 72.1 °c □Hvap = 155.9 J/g C(l) =  2.08 J/g-°c Mass of. Z(m) = 562.4 g

Q: What amount of heat (in kJ) is required to convert 16.1 g of an unknown liquid (MM = 83.21 g/mol) at…

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

Q: Calculate the heat, in kJ, exchanged in the conversion of 20.0 g of steam at 104 °C to water at 10.5…

A:

Q: What amount of heat(in KJ) is required to convert 15.5G of an unknown liquiq(MM=83.21g/mol) at 12.9…

A: Given information: Mass of given compound = 15.5 g Molar mass of given compound = 83.21 g/mol…

Q: What amount of heat (in kJ) is required to convert 16.3 g of an unknown liquid (MM = 83.21 g/mol) at…

A: The objective of the question is to calculate the total amount of heat required to convert a given…

Q: What amount of heat (in kJ) is required to convert 13.0 g of an unknown liquid (MM = 83.21 g/mol) at…

A: Answer

Q: The following information is given for ethanol, C₂H5OH, at 1atm: AHvap (78.4 °C) = 38.6 kJ/mol…

A: Given: Sample of liquid ethanol = 39.5 g Boiling point = 78.4°C

Q: solid liquid gas 200 400 pressure (atm)

A: We are given the phase diagram of substance X,

Q: What amount of heat (in kJ) is required to convert 10.1 g of an unknown liquid (MM = 67.44 g/mol) at…

A: we have to calculate the heat needed to covert 10.1 g of the unknown liquid at 43.5 °C to a gas at…

Q: Payal

A: The objective of the question is to calculate the total amount of heat required to convert a given…

Q: A 0.503 g sample of steam at 106.7 °C is condensed into a container with 5.52 g of water at 16.9 °C.…

A: We know that,  q = mC∆T Where, q = heat m = mass C = specific heat ∆T = change in temp = Tinitial -…

Q: What amount of heat (in kJ) is required to convert 18.3 g of an unknown liquid (MM = 67.44 g/mol) at…

A:

Q: What amount of heat (in kJ) is required to convert 19.3 g of an unknown liquid (MM = 67.44 g/mol) at…

A: Here , heat is used in three steps , 1)  in rising of temperature of liquid till boiling point. 2)…

Q: What amount of heat (in kJ) is required to convert 14.2 g of an unknown liquid (MM = 83.21 g/mol) at…

A: We have to calculate the amount of heat required.

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: The melting point of benzene is found to increase from 5.5 to 5.78 °C when the external pressure is…

A: To calculate change in volume, we would use Clausius equation for phase change from  to liquid.

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: he organic compound n-hexane, C6H14, boils at 69.0°C. What is its molar heat of vaporization in…

A: We have to calculate the molar heat of vaporization.

Q: What amount of heat (in kJ) is required to convert 12.2 g of an unknown liquid (MM = 83.21 g/mol) at…

A: We have to calculate the total heat required.

Q: 7. In a 6.00 L pressure cooker, water is brought to a boil. If the final temperature is 115 °C at…

A: Formula: PV = nRT Where, P = pressure in bar             V = volume in L             n = number of…

Q: What amount of heat (in kJ) is required to convert 29.3 g of an unknown solid (MM = 67.44 g/mol) at…

A: When a certain amount of heat is added to a system, the temperature associated with that system is…

Q: What amount of heat (in kJ) is required to convert 15.2 g of an unknown liquid (MM = 67.44 g/mol) at…

A: We know that, q=mass×specific heat+temp. change

Q: What amount of heat (in kJ) is required to convert 11.9 g of an unknown liquid (MM = 83.21 g/mol) at…

A: We know, heat required (q)=mass x specific heat capacity x change in temperature also q=mass x delta…

Q: Calculate the amount of energy in kilojoules needed to change 117 gg of water ice at –10 ∘C∘C to…

A: we have to calculate the heat required to convert 117g ice  (-10∘C) to steam (125∘C)

Q: Heat of Fusion water =334.4 J/g; Heat of Vaporization water = 2257 J/g; 4.18 J = 1 cal; Specific…

A: Answer :-  1) The Heat needed to melt 450 g Ice at  0 °C = 150480 J  2) The Heat needed to heat 2350…

Q: What amount of heat (in kJ) is required to convert 20.9 g of an unknown liquid (MM = 83.21 g/mol) at…

A:

Q: What amount of heat (in kJ) is required to convert 14.7 g of an unknown liquid (MM = 67.44 g/ mol)…

A: Heat = mass of liquid X specific heat X temperature differencemole = During phase change (liquid to…

Q: If a particular liquid has a normal boiling point of 338.0 K and a vapor pressure of 75.0 mmHg at…

A: Hi, as you have posted multiple questions and have not mentioned which question you want us to solve…

Q: A cube of solid benzene (C6H6; M = 78.11 g/mol) at its melting point and weighing 8.90 g is placed…

A: Given data is Molar mass of  benzene 78.11 g/mol Mass of benzene placed in water =8.90 g…

Q: The substance CS2 has a melting point of -110.8 °C and a boiling point of 46.3 °C. Its density at 20…

A: Intermolecular forces are the forces of attraction between the different molecules. There are five…