Compute the value of delta h for the equation

Assignment Help Chemistry
Reference no: EM13665878

While 250 mol of ch4 reacts with excess cl2 at constant pressure according to the chemical equation shown below. 177 kJ of heat are released. Compute the value of delta H for this

2CH4(g) + 3 Cl2(g)---> 2CHCl3(l) + 3H2(g)

a)-1420 kJ

b)-708 kJ

c) +708 kJ

d) +1420 kJ

Reference no: EM13665878

Questions Cloud

Show how do you respond : When people bring up acts that will be construed as plagiarism, show how do you respond? Show what clues do you watch for when making decision in order to avoid a situation involving plagiarism?
Show how you have been using your learning : Show how you have been using your learning including the ability to effectively communicate outside the class. Discover an opportunity each day for applying our learning outside the classroom. Afterwards, share with us your experiences
Explain an unknown solution containing only group cations : Explain an unknown solution containing only group 1 cations forms a white precipitate, P1, upon addition of hydrochloric acid. Addition of hot water produces a clear solution, S1.
Usual chain of commands through the administration : Higher ed executives frequently employ faculty in decision making and problem solving instead of using usual chain of commands through the administration. Show why do you think this happens? Is it a good idea? Please describe.
Compute the value of delta h for the equation : While 250 mol of ch4 reacts with excess cl2 at constant pressure according to the chemical equation shown below. 177 kJ of heat are released. Compute the value of delta H for this
Effective communication : Discussion because there is not "voice" with on-line or written discussion, learning how to "speak" evidently in written form is something that is not easy to do but required to make sure everyone understands.
Hydrogen a potential future fuel can be produced from carbon : Hydrogen a potential future fuel, can be produced from carbon from coal as well as steam by the following reaction:
Share excellent post embracing content : organization effectively communicating learning as an opportunity for growth. Will you give a proper reference list entry and corresponding in-text citation?
Explain what is the change in internal energy : The combustion of one mole of ethanol (C2H5OH(I)) to produce carbon dioxide as well as gaseous water has Hr= -1235 kJ mol-1 at 298 K. Explain what is the change in internal energy for the reaction

Reviews

Write a Review

Chemistry Questions & Answers

  Define what conclusions can be drawn about the unknown

In a carbohydrates lab experiment, define what conclusions can be drawn about the unknown solution given the subsequent test result information

  Explain what chemical process occurs in the muscle cells

what chemical process occurs in the muscle cells to cause this discomfort and what chemical reactions have possibly taken place in the the body after the exercise. What possible treatments could be done for this person and how would the treatments..

  Explain different ways to make methyl propionate

Show two different ways to make methyl propionate, using methanol, propionic acid and other necessary reagents The methanol and propionic acid do not have to both be used in the first step.

  State potential energy of the system reaches lowest value

Bond length is the distance between the centers of two bonded atoms. On the potential energy curve, the bond length is the internuclear distance between the two atoms when the potential energy of the system reaches its lowest value.

  Explain first half-life equation involving the evaporation

For a zero order process, mathematically derive the first half-life equation involving the evaporation of fingerprints organics from the scene of a crime.

  Explain the wavelength required to excite the molecule

Assume the H atom oscillates toward and away from the I atom and that force constant of the HI bond is 314 N m^-1 , bond is 161pm. calculate (a) vibrational frequency of the molecule and (B) the wavelength required to excite the molecule into vibr..

  Define what''s the simplest formula for the oxide

A sample of oxide of antimony (Sb) contains 30.5g of antimony combined w/10g O2. What's the simplest formula for the oxide

  Explain what is the flow rate of the caco3

Explain what is the flow rate of the CaCO3 that would be required if CaO is produced by calcining CaCO3? If the efficiency of sulfur capture is 65%.

  What is the percent yield

N2 + 3H2 -> 2NH3 . 28.0 grams of N2 and 5.04 grams of H2 are reacted, producing 17.8 grams of NH3. What is the percent yield?

  What are the phosphorus percentages of the monohydrate

MgNH4PO4 • 6H2O loses H2O stepwise as it is heated. Between 40º and 60º C the monohydrate (MgNH4PO4 • H2O) is formed and above 100º C the anhydrous material (MgNH4PO4) is formed. What are the phosphorus percentages of the monohydrate and anhydrous..

  Calculate the actual vant hoft factor for this mixture

a solution is prepared that contains 7.050 g of hno2 in 1.000 kg of water. its freezing point is found to be -0.2929

  State grams of water with excess sulfur dioxide

According to the following reaction, how many grams of sulfurous acid (H2SO3) will be formed upon the complete reaction of 21.5 grams of water with excess sulfur dioxide? sulfur dioxide (g) + water (l) sulfurous acid (H2SO3) (g)

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