How many kj of heat are required to vaporize

Assignment Help Chemistry
Reference no: EM13702187

Question- How many kj of heat are required to vaporize 50.0 g of ethanol (C2H6O)? The boiling point of ethanol is 78. 3 C. It's molar heat of vaporization is 38.6 kj per mole.

I need help for above question. Show each steps for the above problem.

Reference no: EM13702187

Questions Cloud

Identifying cations using paper chromatography : Question- In an experiment on identifying cations using paper chromatography, the cation that most strongly absorbs on the stationary phase. Shows a color spot near the top of the chromatography paper after completion of the rise of the solution t..
The glycolytic step catalyzed by phosphoglycerate kinase : Question- A blockage in the glycolytic step catalyzed by phosphoglycerate kinase will the binding affinity of hemoglobin for oxygen. (Choose increase or decrease)
How much heat must be removed to freeze a tray of ice cubes : Question- How much heat must be removed to freeze a tray of ice cubes at 0 C if the water has a mass of 225 grams
Obtain the time interval elapsed when it arrives there : A car is parked on a steep incline, making an angle of 37.0° below the horizontal and overlooking the ocean, when its brakes fail and it begins to roll. Find the time interval elapsed when it arrives there
How many kj of heat are required to vaporize : Question- How many kj of heat are required to vaporize 50.0 g of ethanol (C2H6O)? The boiling point of ethanol is 78. 3 C. It's molar heat of vaporization is 38.6 kj per mole.
Find the time it takes the ball to reach the wall : A home run is hit in such a way that the baseball just clears a wall 14.0 m high, located 118 m from home plate. Find the time it takes the ball to reach the wall
Explain what is the pi of the molecule : Question- A molecule has two amino groups with pKa values of 9.90 and 7.200. It also has a thiol with a pKa value of 8.20. What is the pI of this molecule? (Use 3 significant digits) Answer
Find at what time do the wheels leave the ground : The takeoff speed for an Airbus A320 jetliner is 74m/s. Velocity data measured during takeoff are as follows: t(s) 0 10 20 30 40 Vx (m/s) 0 20 40 60, At what time do the wheels leave the ground
At what angle relative north should the boat head : A boat is traveling where there is a current of 0.20 m/s east. To avoid some offshore rocks, the boat must clear a buoy that is NNE (22.5) and 3.4km away. at what angle relative north should the boat head

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what is the optical rotation of pure r

a mixture with 75% R and 25% S has an optical rotation of -30. what is the optical rotation of pure R?

  How to calculate the ph of the solution

A solution is made by combining 15.0 mL of 18.0 M acetic acid with 5.50 g of sodium acetate and diluting to a total volume of 1.50 L. Calculate the pH of the solution.

  The degradation of limestone by acidic rainwater follows

the degradation of limestone by acidic rainwater follows 1st order kinetics with a t12 of 4500 days. calculate the

  How to balance the chemical equation of aluminum and

how to balance the chemical equation of aluminum and hydrochloric

  How many total hydrogen atoms are in this solution

A solution of ammonia and water contains 3.00×1025 water molecules and 5.10×1024 ammonia molecules. How many total hydrogen atoms are in this solution?

  Define the amino acids with ionizable side chains

Assume that the amino acids with ionizable side chains have the following pKas: Asp 3.65; Glu 4.25; His 6.0; Lys 10.53, Arg 12.48; Cys 8.18; Tyr 10.07. Also Assume that the a-amino group has a pKa of 9.62, and the a-carboxyl group has a pKa of 2.3..

  What is the molecular formula of compound

A compound composed of sulfur and fluorine is found to contain 25.24% by mass of sulfur. If the molar mass of the compound is 254.11 g/mol, what is its molecular formula?

  Explain the concentration of pb2+ in a solution saturated

The concentration of Pb2+ in a solution saturated with PbBr2(s) is 2.14x10^-2 M. Calculate Ksp for PbBr2.

  What mass is produced when solution is added to solution

what mass of PbSO4, is produced when 25.0 Ml of 0.2338M Pb(NO3)2 solution is added to 25.0 mL of 0.0971M Al2(SO4)3 solution,

  The energy in a system that is available to do work

Problem- A. At constant T and P, the direction of spontaneous change is the direction of increasing free energy. B. Free energy is the energy in a system that is available to do work.

  Write the reactions for the preparation of the diaonuim salt

Write the reactions for the preparation of the diaonuim salt for the coupling of the salt with the sodium salt of 2-napthol.

  Explain the concentration of f- in ppb in a water sample

A standard addition procedure is used to determine the concentration of F- (in ppb) in a water sample. To four 6.00 mL aliquots of a water sample were added 0.00 mL, 1.50 mL, 2.50 mL, and 3.50 mL of a standard NaF solution containing 12.0 ppb

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd