Evaluate the kilojoules of heat released of the compound

Assignment Help Chemistry
Reference no: EM13654641

Pentaborane-9(B5H9) IS a colorless highly reactive liquid that will burst into flames when exposed to oxygen.The reaction is '

2B5H9(l)+ 12O2--> 5B2O2(s)+9H2O(l)

Calculate the kilojoules of heat released per gram of the compound reacted with oxygen.The standard enthalpy of formation B5H9 is 73.2kJ/mol

Reference no: EM13654641

Questions Cloud

Explain gas was obtained by boiling liquid nitrogen stored : Students at the University of North Texas and the University of Washington built a car propelled by compressed nitrogen gas. The gas was obtained by boiling liquid nitrogen stored in a 200.0 L tank
The energy in a lightning bolt is enormous : The energy in a lightning bolt is enormous. Consider, forexample a lightning bolt in which 29C of charge moves through apotential difference of 1.4*108 V. With the amountof energy in this bolt, how many kilograms of water at100o C could be boiled int..
The magnetic energy stored in the solenoid : A long air-core solenoid of 420 turns, length 32 cm anddameter 3.0 cm carries a current 3.0 A at certain time. The current is increasing at a rate of 15 A/s.
What ways do the ideas thomas paine presents : In what ways do the ideas Thomas Paine presents in the The Age of Reason and Benjamin Franklin presents in The Autobiography show both men to be products of "The Age of Reason."
Evaluate the kilojoules of heat released of the compound : Calculate the kilojoules of heat released per gram of the compound reacted with oxygen.The standard enthalpy of formation B5H9 is 73.2kJ/mol
How long dies it take the stone to reach the bottom of cliff : a stone is thrown horizontally at a speed of 5.0m/s from thetop of a cliff that is 78.4m high, how long dies it take the stone to reach the bottom of the cliff
How does jack use the beast to control the boys : How does Jack use the beast to control the boys and is the Paratrooper's body a symbol of good, evil, or something else?
Current and the total electromagnetic energy in oscillation : In an LC circuit where L = 2.5 mH and C = 1.8 μF with anelectromagnetic oscillation the maximum charge on the capacitorcurrent 0.54 μC. Find the natural frequency and the period of the oscillation.
Write about what your face tells the world : Write about what your face tells the world. How often do you wear a mask, What does the mask say to the world? Whats Does The Question Mean

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

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