Evaluate the delta h of evaporation of br2

Assignment Help Chemistry
Reference no: EM13486920

The delta H sub f of FeBr3 is -269 kJ/mol and the delta H for the reaction 2Fe (s) + 3Br2 (g)----> 2Br3 (s) is -631 kJ/mol . Calculate the Delta H of evaporation of Br2 (l) which is a liquid at 25 degrees Celcius.

Reference no: EM13486920

Questions Cloud

How much ice remains in the container : A sealed container with a metal bottom contains m=0.020kg of ice at Ti=243K, How much ice remains in the container
Indirect method of presenting cash flows : Prepare a statement of cash flows, using the indirect method of presenting cash flows from operating activities. If needed, use the minus sign to indicate cash outflows, negative amounts or a decrease in cash.
Explain the standard state of carbon is solid graphite : The standard state of carbon is solid graphite. Use the appropriate standard heats of formation given in Appendix II in the textbook to find the average bond energy of the C=O in CO2.
Determine the inductive reactance of the inductor : A 150-? resistor is connected in series with a 0.250-H inductor. The voltage across the resistor is vR = (5.70 V)cos[(445 rad/s)t]. Determine the inductive reactance of the inductor
Evaluate the delta h of evaporation of br2 : The delta H sub f of FeBr3 is -269 kJ/mol and the delta H for the reaction 2Fe (s) + 3Br2 (g)----> 2Br3 (s) is -631 kJ/mol . Calculate the Delta H of evaporation of Br2 (l) which is a liquid at 25 degrees Celcius.
Explain the organic layer and which is aqueous layer : What two ways could you use to determine which layer is the organic layer and which is aqueous layer
State which layer is the organic layer : What two ways could you use to determine which layer is the organic layer and which is aqueous layer
What is the temperature of the hot junction : A copper-constantan thermocouple generates a voltage of 4.55 10-3 volts when the temperature of the hot junction is 103.4° C, what is the temperature of the hot junction when the voltage is 1.94 10-3 volts
Explain a mixture containing acid and benzophenone : Describe how you would seperate a mixture containing acid and benzophenone (a neutral substance). Both compounds are insoluble in water and soluble in diethly ether.

Reviews

Write a Review

Chemistry Questions & Answers

  What mass of au is produced

What mass of Au is produced when 18.6 ampere of current are passed through a gold solution for 29.0 minutes.

  Explain in terms of the electronic structure of an element

Define in terms of the electronic structure of an element, chemical activity as it relates to metals, nonmetals, and noble gases. Discuss the change in chemical activity of metals as you go down a group.

  Explain how likely is it that the two liquids are identical

If you measure the refractive indices of two liquids and they are within 0.0001 units from eachother, how likely is it that the two liquids are identical

  Determine the mass fraction and mole fraction

Find the mass fraction and mole fraction of each component, the molar mass of mixture, and it's gas constant.

  Define hydrogen bonding

the following interactions can contribute to the intrinsic binding energy during enzymatic catalysis? Choose all that apply.- hydrogen bonding

  Explain calculated equilibriumbe t constants be too high

joseph failed to calibrate the spectrophotometer. As a result, all absorbance values for the standard solutions that are measured and recorded are too high.

  State what mass of sodium hydroxide does the technician need

A laboratory technician needs to make 500.0mL of a 0.25 M NaOH solution. What mass of sodium hydroxide does the technician need to use?

  Determine the molarity of the acid

A 100.0 mL of acetic acid solution of unknown molarity is titrated with 0.15 M NaOH solution. The titration requires 43.25 mL of the base. Determine the molarity of the acid, CH3COOH.

  Write molecular, total ionic and net ionic equations

Write molecular, total ionic, and net ionic equations for the reaction of AgNO3 and NaCl (Use the lowest possible coefficients. Include states-of-matter under SATP conditions in your answer.)

  Ow many grams of ethane would be needed

In the bromination of ethane (C2H6) reaction, one wants to produce 10.0 g of C2H5Br product. How many grams of C2H6 would be needed to react with excess Br2.

  Explain mixing enough acetic acid and potassium acetate

A buffer solution is prepared by mixing enough acetic acid and potassium acetate to give 500ml of a solution that is 0.500 M acetic acid and 0.500 M potassium acetate. What is the pH of this buffer

  What would be the volume of the gas

A certain quantity of gas occupies 61.3 mL at 68C. If the pressure remains constant, what would be the volume of the gas at 128C?

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