Determine the heat flow (in units of kJ) when 49.1 g water at 128.5 oC is lowered to 76.9 oC?

Q: Enter your answer in the provided box. From the data below, calculate the total heat (in J) needed…

A: Given: The number of moles of ethanol, C2H5OH, (n) = 0.119 moles. The molar mass of ethanol, (M) =…

Q: How much heat is required to raise the temperature of 13.5grams of water at 15ºC to 25ºC? SHOW ALL…

A: Given  mass of water ( m )             = 13.5 gram  Initial Temperature ( T1 )     =  15 ℃  Final…

Q: Given that a 10.0 g sample of ice at 0.0 °C melts and then the resultant water proceeds to warm to…

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Q: Construct a cooling curve using the following information. The heat capacity of liquid water is 4.18…

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Q: Suppose that 1.15 g of rubbing alcohol (propan-2-ol) evaporates from a 65.0 g aluminum block. If…

A: Given, Mass of alcohol evaporate = 1.15 g Mass of Aluminum block = 65.0 g Initial heat of the block…

Q: Suppose you heated a sample of 12.20 grams of water at its boiling point until it completely…

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Q: If 1.1g of 100.0C steam begins to condense on a container of liquid water at 25.0C and they…

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Q: Determine the amount of heat released when 497 g of Pb are cooled from 37.2 °C  to 22.5 °C   and the…

A: The given data contains, mass = 497 g. Initial temperature = 37.2°C Final temperature = 22.5°C…

Q: Calculate the energy (in kJ) required to heat 0.491 grams of water from -46.0 ℃ to 142.5 ℃.

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Q: If substance X has a higher specific heat value, how will the temperature of substance X compare to…

A: Given, The substance X has higher specific heat than…

Q: Calculate the energy (in kj) required to heat 0.382 grams of water from -47.4 Celsius to 136.1…

A: The given data contains, mass of water = 0.382 g. Temperature T1 = -47.4°C Temperature T2 = 136.1°C…

Q: The graph shows a heat curve for an unidentified substance discovered by the Mars rover. What is…

A: We can determine Fusion temperature ( melting or freezing point ) and vaporization temperature from…

Q: Payal

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

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

A: Given Mass of ethanol = 40.5 g Initial temperature =  34 ∘C  Final temperature =  78 ∘C Ethanol…

Q: Why does water have a high specific heat index? It requires a great amount of energy for water to…

A: Ans As we all know the water can form strong hydrogen bonding  Hence, Water has a the higher…

Q: amount of heat

A:

Q: How many grams of liquid CF2C12 are needed to cool 126 g of water from 48.5 to 29.7 \deg C? The…

A: mass of water = 126 gTi = 48.5oCTf = 29.7oCspecific heat of water(c) = 4.1884 J/goCspecific heat of…

Q: 32. How much heat (in kJ) is absorbed in the process of making 0.813 mol of CF₄ from the following…

A: The answer to both the questions are given as:

Q: How much heat (in kilojoules) is needed to warm 2.0 grams of water from -10 to 40? Here are some…

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Q: Is giver oint = 100 °C AHvap(100 °C) = 40.7 kJ/mol heat liquid = 4.18 J/g°C Esure of 1 atm, kJ of…

A: Given, □Hvap = 40.7 kJ/mol Mass of water = 32 g Moles (n) = 32/18 = 1.78 mol

Q: The following information is given for water at 1atm: boiling point = 100 °C Hvap(100 °C) = 40.7…

A: Mass of water = 41.7 g  Latent heat of fusion ∆Hfus = 6.01 kJ/mol We need to find enthalpy change in…

Q: A student heats water to make spaghetti. The student observes that the water in the pot is converted…

A: (1) over the pot (2) on kitchen window

Q: Enter your answer in the provided box. From the data below, calculate the total heat (in J) needed…

A: Heat of vaporization is the amount of heat required to convert 1 mol of substance from liquid to…

Q: latent heat of fusion, why the amount of ice you have will have an impact on the measured latent…

A: Calorimetry is a process of measuring changes in state variable of a body for a purpose of deriving…

Q: Determine the heat flow (in units of kJ) when 49.7 g water at 131.3°C is lowered to 82.6°C? molar…

A: The heat energy formula shows relation of mass specific heat capacity and change in temperature. The…

Q: How long would it take for 1.50 mol of water at 100.0 ∘C to be converted completely into steam if…

A: By calculating total heat required to convert into steam , we can calculate time.

Q: None

A: 1. Convert mass of water to moles:We know the mass of water (2.00 g) and need to convert it to…

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: How much heat is needed to melt 35.0 grams of ice at its melting point?  Some constants for water:…

A: Heat required for meting of a substance at its melting point = Mass of substance x ΔHfusion

Q: Calculate the amount of heat required to raise the tempature of an 91 g sample of water from 39C to…

A: Given: Specific heat of water = 4.18 J/g⋅∘C. Mass of water = 91 g. Initial temperature (T1) = 39 ∘C…

Q: Use the information provided to calculate the quantity of heat (in kJ) required to convert 70.912 g…

A: A compound will absorb energy to reach a high temperature, however, it will release energy to reach…

Q: Data you may need: 1 cal = 4.18 Joules ; density of water = 1g/mL Burning ethanol can be used as…

A: The amount of energy required liquid substance to transform into a gas is called Enthalpy of…

Q: How much energy is released when 10.0 g of water (H2O) at 50 °C is cooled, completely frozen, and…

A: The stepwise solution is as follows-

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: Calculate the mass of ice required to cool 535 mL of diet cola (approximate as water) from 23.5 C to…

A: Heat extracted by ice to melt at 0oc  = Heat given by water[diet cola] to reach 0oc from 23.5oc.…

Q: MISSED THIS? Read Section 12.5 (Page); Watch Suppose that 0.89 g of water condensen on a 85.0 g…

A: Answer:This question is based on law of conservation of energy which states that energy cannot be…

Q: A 0.517 g sample of steam at 104.0 °C is condensed into a container with 5.53 g of water at 14.5 *C.…

A: The answer for this problem is provided below in great details within the attached figure.

Q: How much heat (kJ) is absorbed by 948.0 g of water in order for the temperature to increase from…

A: Specific heat: The amount of heat energy required to raise the temperature of one gram of a…

Q: Calculate the amount of heat (in joules) required to heat 43 grams of water from 28°C to the…

A: Given, mass of water = 43 g Initial temperature (Ti) = 28°C Final temperature (Tf) = 100°C Amount of…

Q: 9. If 294 J of heat were transferred to a 10.0 g sample of silver at 25 oC, what is the final…

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Q: How much energy is required to heat 45.0 g H2O from a liquid at 70.0°C to a gas at 115°C? Also,…

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Q: calculate how much heat in kilojoules is absorbed by 948.0 g of liquid A in order for the…

A: Given, mass of liquid =948.0 gspecific heat of liqiud =4.186 Jg.°Cinitial temperature =20.00°Cfinal…

Q: 3. Why is there a larger magnitude of energy associated with vaporization instead of fusion? What…

A: Answer-3 In vaporization liquid state of matter is converted into its vapor state while in fusion…

Q: What is the quantity of heat (in kJ) associated with cooling 150.3 g of water from 25.60 °C to ice…

A: Given datamass of water : Initial temperature of water : Melting temperature :  Final temperature of…