How much heat is required to vaporize ethanol

Assignment Help Chemistry
Reference no: EM13117048

How much heat is required to vaporize 351 g of liquid ethanol at its boiling point? ΔHvap = 38.6 kJ/mol

Reference no: EM13117048

Questions Cloud

Determine the average atomic mass of rubidium : Rubidium has two naturally occuring isotopes. The relative abundance of rubidium-85 is 72.17%; its atomic mass is 86.91 amu. Determine the average atomic mass of rubidium.
Compute the descriptive statistics for the data : What is the answer to the following unsorted data shows the number of traffic tickets given each day by Deputy Fife over the last eleven days.
Draw a ball and stick figure representation : Draw a ball and stick figure representation of 10 molecules of phospholipids floating on the surface of salt water. Label the polar and nonpolar parts.
What is the base sequence of this primer : Consider the following segment of double-stranded DNA, which is part of a much longer molecule constituting a chromosome. This sequence is located ~2000bp to the left of its origin of replication.
How much heat is required to vaporize ethanol : How much heat is required to vaporize 351 g of liquid ethanol at its boiling point.
Explain the wbs offers uniformity in definition : Explain The WBS offers uniformity in definition and consistency of approach for developing the levels of the project.
Compare standard deviation for heights of males-females : Compare the standard deviation for the heights of males and the standard deviation for the heights of females in the class.
What were principal quantum no of initial excited states : An electron in an excited state of a hydrogen atom emits two photons in succession, the first at 1817 nm and the second at 97.20 nm, to return to the ground state (n=1).
Standard deviation of data-students are within twelve points : The test grades at a large school have an approximately normal distribution with a mean of 50. What is the standard deviation of the data so that 80% of the students are within 12 points (above or below) the mean?

Reviews

Write a Review

Chemistry Questions & Answers

  Predict the vapor pressure of a solution

Glycerol HOCH2CH(OH)CH2OH is a nonvolatile, water-soluble material. its density is 1.25 g/mL. Predict the vapor pressure of a solution of 2.40 x 10^2 mL of glycerol, in 395 mL of water, at the normal boiling point of water.

  Why bromine is larger than chlorine

This is a fact that Bromine(Br) is larger than chlorine(Cl) but indication of equilibrium constant suggests that a bromo substituent has a less preference for the equatorial position than chloro substituent? Explain it briefly?

  What would be the total mass of sodium hydroxide

"If 2.3g of Sodium reacted with 1.8g of water, what would be the total mass of Sodium Hydroxide and hydrogen produced? Explain your answer"

  Calculate the number of degrees of freedom

A saturated solution of Na2SO4 with excess of the solid is present in equilibrium with its vapor in a closed vessel. Calculate the number of degrees of freedom, f, of the system.

  Compute the enthalpy change for reaction per mole

compute the enthalpy change, (Delta H), for this reaction per mole of A. suppose that the specific heat =[4.18J/(g*Degrees C) and density=1.00(g/mL)?

  What is the temperature of the hydrogen gas

If the temperature of the water in your reaction bowl is 23 C, what is the temperature of the hydrogen gas.

  Determine the sum of the coefficients of the reactants

Balance the equation using the smallest possible integers. Also determine the sum of the coefficients of the reactants?

  How many grams of ammonia would produced

Under certain conditions, the formation of ammonia from nitrogen and hydrogen has an 8.12% yield. Under such conditions, how many grams of NH3 will be actually produced.

  Question based on bio fuel production

Why do some scientists have concerns have regarding further increases in bio fuel production. giving chemical reasons explain why is is expensive to manufacture ethanol from cellulose.

  Find out the mass of substance

An unknown mass of each of the given substances 1.Sand (tf=70.4 C),2.Pyrex glass(tf=67.6 C),3.water(tf=55.9 C) ,4.ethanol (tf=45.9 C), initially at 19.0 degrees Celsius, absorbs 1930 Joules of heat.  Find out the mass of each substance.

  Determine the concentration of the original na2c2o4

Determine the concentration of the original Na 2 C 2 O 4 solution and disodium oxalate in the presence of excess acid.

  How many grams of helium are contained in balloon

A 2.32 L balloon contains helium at 1.00 atm and 25°C. How many grams of helium are contained in the balloon.

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