Assuming that the densities of water in all phases are 1 g/mL and the Cp (J/K-mole) for ice and steam is 37.7 and 75.3 for liquid water, the total enthalpy change in heating 180 grams of ice at -5°C to steams at 105°C is _______Kilojoules. (NOTE: Express answer in THREE SIGNIFICANT FIGURES.)

Q: The heat of fusion of chloroform (CHCl3) at its normal melting point of -63°C is 9.2 kJ/mol, while…

A:

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

A:

Q: temperature (C) melting point 70. °C boiling point 105. °C enthalpy of fusion 7.00 kJ/mol enthalpy…

A: Given:

Q: Given the following information for benzene (CsH6): AHvap AHfus = 9.9 kJ/mol Specific heat (gas) =…

A: The question is based on the concept of Hess's law.   It states that the net enthalpy change during…

Q: Estimate the molar heat of vaporization (in kJ)of a liquid whose vapor pressure doubles when the…

A:

Q: Water has a molar heat capacity of 75.38 J/(mol · °C) and its vaporization enthalpy at 100. °C is…

A:

Q: At 100 degrees Celsius and 1atm, the molar votumes 3 m and of liquid water and steam are 1.88 x 109…

A:

Q: Substance X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending on the…

A: Given: Initial temperature of sample = 0 oC melting point of sample = 15 oC Boiling point of sample…

Q: An unknown liquid is 1.003x104 Pa at 25°C and 7.438x104 Pa at 50 °C. has the x kJ/mol enthalpy of…

A: Given, an unknown liquid is 1.003×104 Pa at 25 °C and 7.438×104 Pa at 50 °CIt has x kJmol enthalpy…

Q: Calculate the enthalpy change (in kJ) associated with the conversion of 25.0 grams of ice at -4.00…

A: Given: ∆Hvap=40.67 kJ/mol∆Hfus=6.01 kJ/molmass of ice=25.0 gcice=2.09 J/g.Kcwater=4.18…

Q: The latent heat of fusion (∆H fus) of water at 0 °C is 6.025 KJ/mole and the molar heat capacities…

A: Δ H = -[nCp(liquid state)ΔT] n = moles of water = mass of water / molar mass of water  mass of water…

Q: assuming that the densities of water in all phases are 1 g/mL and that the Cp (J/K-mole) for ice and…

A: Mass of water = 180 g= 10 mole Temperature of ice = -50C Temperature of steam = 1050C

Q: The enthalpy change for converting 10.0 g of ice at -50.0°C to water at 80.0°C is ________ kJ. The…

A: Standard data: Specific heat of ice = 0.5 Cal/(g°C) Specific heat of water = 1 Cal/(g°C) Latent…

Q: Calculate the total amount of emergy (in kJ) necessary to raise the temperature of 2.00L of ethanol…

A: given - volume = 2 L = 2000 cm3 density = 0.7849 g/cm3 final temperature = 78.3 oC initial…

Q: GIVEN: (Probable atomic weights: N=14; O=16) Nitrogen dioxide 2.05 21 - 11.2 32 33.18 Nitrous oxide…

A: Two questions based on states of matter, which is to be accomplished.

Q: The slope of a plot of lnPvap vs. 1/T (K-1) for a substance is -3070.0 K. What is the enthalpy of…

A: The relation between the temperature and the vapor pressure of a liquid is shown with the help of a…

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: A 0.1 kg ice cube at -20 °C is dropped into the 0.5 kg water at 10 °C. When the thermal equilibrium…

A: The amount of heat required to raise the temperature of the sample is given by: q = mc∆Tq is the…

Q: Chloroform, CHCl3, a volatile liquid, was once used as an anesthetic but has been replaced by safer…

A: The question is based on the concept of boiling. we have to identify the vapour pressure at the…

Q: What is the heat needed to heat up 250.0 g of water from 100C to its boiling point (100.000C) and…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: For ether, C2H5OC2H5, the heat of fusion at its normal melting point of -116 °C is 7.3 kJ/mol. The…

A: The relationship between entropy change (∆S) , heat of fusion (∆Hfusion ) and melting point (Tm.p)…

Q: The latent heat of fusion (∆H fus) of water at 0 °C is 6.025 KJ/mole and the molar heat capacities…

A:

Q: the enthalpy of vaporization for water is 40.67 kj/mol and the enthalpy of fusion for water is 6.01…

A: Introduction: Enthalpy of vaporization: The heat required by a liquid to transform into its gaseous…

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

A: Given information:Mass of ice = 10.0 gInitial temperature = -50.0 oCFinal temperature = 50.0…

Q: Substance X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending on the…

A: Answer: During the phase transition of a crystalline substance, temperature remains constant until…

Q: How much heat (in kJ) is required to warm 13.0 g of ice, initially at -15.0 ° C, to steam at 109.0 °…

A:

Q: what amount of heat, in kJ, is required to convert 4.60g of water at 67C of steam at 100C? (specific…

A: Given Mass of water = 4.6 g  Specific heat of water = 4.18 J/g°C ΔHvap = 40.7 kJ/mol T1 = 67°C T2 =…

Q: Find the temperature in °C of a sponge of heat capacity C=1.859 kJ/°C, initially at 35.4 °C, after…

A: To calculate the amount of heat released by a sponge, the equation used is: q=C × T2-T1…

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: Substance X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending on the…

A: The given substance X is in solid-state at 50°C. The melting point of substance X is 70°C. The heat…

Q: The enthalpy change for converting 10.0 g of ice at -25.0°C to water at 70.0°C is ice, water, and…

A: As heat is applied to a material, it raises its temperature, and at a certain point, the phase of…

Q: Boiling point = 78.3 oC Critical temperature = 243 oC Critical pressure = 63.0 atm Density = 0.789 g…

A:

Q: pts 2req Use the References to access important values if needed for this question. The following…

A: Molar mass of benzene = 78.11 gram   so, 41.4 gram of benzene = (41.4/ 78.11) mol = 0.530 mol…

Q: The latent heat of fusion (∆H fus) of water at 0 °C is 6.025 KJ/mole and the molar heat capacities…

A: Mass of water = 1 kg

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: Liquid ammonia (boiling point = -33.4°C) can be use as a refrigerant and heat transfer fluid. How…

A:

Q: Chemistry The enthalpy(AHvap) and entropy(ASvap) of vaporization of a liquid “A" are 40.5 kJ/mol and…

A: Boiling Point - It is the temperature at which the vapor pressure of a liquid equals the atmospheric…

Q: For SO2 melting and boiling points are 198 K and 263 K respectively. C? values for solid phase are…

A:

Q: Using the data in the figure below, calculate the minimum mass (in grams) of propane, C3H8(g), that…

A: We will calculate heat required for conversion of ice to water, then calculate amount of propane…

Q: What is the enthalpy change for converting 10.0 g of ice at -15.0 °C to water at 55.0 °C in kJ. The…

A: Mass of ice = 10 g Initial temperature = - 15°C Final temperature = 50°C Specific heat of ice = 2.09…

Q: Naphthalene Phase Diagram

A: Phase rule formula n = C - P + 2 C is the number of components P is the number of phases n is…

Q: Calculate the heat required to bring 10.0 g CCl2F2 from -29.8 °C as a liquid to the gas phase at…

A: It is given that 10 g of CCl2F2 is at -29.8°C initially that is its boiling point and is change into…

Q: Can someone double check my work?

A: The amount of heat needed to convert  5.5 g of ice at -25°C to steam at 118°C  is calculated as,

Q: Specify whether the substance is subcooled liquid, compressed liquid, saturated liquid, saturated…

A: We only answer up to 3 sub-parts. Please resubmit the question with other sub-parts (up to 3) you…

Q: A glass of water with a mass of 0.32 kg at 20 ° C to be cooled to 0 ° C by dropping ice cubes at 0…

A: Mass of water in the glass, m = 0.32kg Initial temperature, T1 = 20°C Final temperature, T2 = 0°C…

Q: Q3) a) The following information is given for water, H2O, at 1atm: boiling point = 100 °C…

A: (a) Given that : At 1 atm, boiling point = 100 °C Hvap(100 °C) = 40.7 kJ/mol specific heat…

Q: 1. Suppose the sun were used as a heat source to warm some water in a solar-heated house or swimming…

A: 1 L of water is equivalent to 1 kg of water . Thus 750 L of water will be equivalent to 750 kg of…

Q: assuming that the densities of water in all phases are 1g/mL and that the Cp (J/K-mole) for ice and…

A: Mass of ice = 180 g Initial temperature of ice = -50C Final temperature of steam = 1050C