Explain what is the value of delta h

Assignment Help Chemistry
Reference no: EM13146995

A gas is confined to a cylinder under constant atmospheric pressure, as illustrated in the following figure. When 0.490 kJ of heat is added to the gas, it expands and does 211 J of work on the surroundings. What is the value of delta H and delta E for this process?

Reference no: EM13146995

Questions Cloud

Terry kunkle and vanburan high hosted a christmas party : Terry Kunkle and Vanburan High hosted a Christmas party in berkeley County, South Carolina. Guested had drinks and hors d'oeuvres at a residence and adjourned to dinner in a barn across a public road. brandon Stroud ferried the guests to the b..
Bank reconciliation and record adjustments : Prepare a bank reconciliation and record adjustments L.O. P3 Chavez Company most recently reconciled its bank statement and book balances of cash on August 31
Determining the return on investment : Randall Company makes and distributes outdoor play equipment. Last year sales were $2,400,000, operating income was $600,000, and the assets used were $3,000,000.The return on investment (ROI) is:
Dual court system operate in the united states : How does the dual court system operate in the United States?
Explain what is the value of delta h : When 0.490 kJ of heat is added to the gas, it expands and does 211 J of work on the surroundings. What is the value of delta H and delta E for this process?
Charged to factory overhead : Separate the variable and fixed elements, using the high-low method. Determine the cost to be charged to the product for the year. Determine the cost to be charged to factory overhead for the year.
During autopsy, dr. young discovered no visible reason : During autopsy, Dr. Young discovered no visible reason for death. Although there were lacerations and contusions to the face and chest area of victim, none were deep or serious enough to cause death. None of the lacerations were deep: all wer..
What physiological mechanism might account for these changes : What happened to the total minute volume during exercise? What happened to the total minute volume right after exercise was completed? What physiological mechanism might account for these changes?
Total cost to lease the equipment : Jonas Inc. is considering whether to lease or purchase a piece of equipment. The total cost to lease the equipment will be $120,000 over its estimated life, while the total cost to buy the equipment will be $75,000 over its estimated life.

Reviews

Write a Review

Chemistry Questions & Answers

  What volume will 454 grams (1 lb) of hydroigen occupy

What volume will 454 grams (1 lb) of hydroigen occupy at 1.05 atm and 25 C.

  Determine the osmolarity of solution

Determine osmolarity of solution when 25.0 grams of aluminum chloride dissolves in 2.50 liters of H2O.

  How long will it take for pressure drop

If a 2.1 L reaction vessel initially contains 725 torr of cyclopropane at 485 degrees C , how long will it take for the partial pressure of cylclopropane to drop to below 102 torr .

  How much energy would be required

How much energy would be required to melt 74 g of HCl at its melting point of -110.8 ? C? ?Hfus for HCl is 14.2 cal/g and ?Hvap for HCl is 98.7 cal/g. Answer in units of cal.

  What will the final temperature be

If 125 cal of heat is applied to a 60.0 g piece of copper at 24C, what will the final temperature be? The specific heat of copper is 0.0920cal/(g x C).

  Determine how much heat is released

Determine how much heat is released at constant pressure if 471.0 g of NO2 is produced,?

  State the conditions

State the conditions under which all derivatives of benzene like chlorobenzene, benzoyl chloride and chlorophenyl methane would react with sodium hydroxide.

  What is the percent yield

Consider the following reaction. 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 pressure must be applied

The volume of a cylinder in an auto is 0.44L. the cylinder is filled with a gasoline and air mixture at 1.0 atm and then is compressed to 0.073L prior to ignition.

  What is the final pressure in the flask

The vapor pressure of br2(l) at 25C is 228 mm hg. if 2.00g of br2 is usedm what is the final pressure in the flask? will there be liquid in the flask.

  Calculate the change in energy in kj

When 4 g sample of NH4NO3(s) was dissolved in 60 g of water in a coffee-cup calorimeter, the temperature drops from 296 to 291 K.

  How many grams of hydrogen are collected

How many grams of hydrogen are collected in a reaction where 1.92 L of hydrogen gas is collected over water at a temperature of 40C and a total pressure of 738 torr.

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