Compute the heat lost or gained by the system

Assignment Help Chemistry
Reference no: EM13486945

A cylinder contains 250 g of Helium at 200 K. The external pressure is constant at 1 atm. There is an increase in temperature of 56 K. Calculate the heat lost or gained by the system in response to this change in the external temperature. Express your answer in J. Heat capacity for Helium = 20.8 J/(mol K) Molecular weight for Helium = 4 g/mol

Reference no: EM13486945

Questions Cloud

Examine and discuss the characteristics of npv : Examine and discuss the characteristics of NPV and the role that this method plays in capital investment decision making. In addition, discuss the advantages of using this method instead of the other evaluation methods examined this week. should b..
Determine the heat conduction rate along the rod : One end of a 33cm long aluminum rod with a diameter of 2.8 is kept at 420C and the other is immersed in the water at 24C
What are the main discrepancies between the bids : Calculate the total bid if you base your calculations on the September 15, 2005, invoice assuming a cost plus 15% government contract and what are the main discrepancies between the bids you calculated in #1 and #2?
Show the impact of filling the pacific order : Prepare a schedule to show the impact of filling the Pacific order on Mission's profits for the year and would you recommend that Mission accept the order and what is the minimum quantity of DVD players in the special order that would make it profita..
Compute the heat lost or gained by the system : A cylinder contains 250 g of Helium at 200 K. The external pressure is constant at 1 atm. There is an increase in temperature of 56 K. Calculate the heat lost or gained by the system in response to this change in the external temperature.
Evaluate the heat lost or gained by the system : There is an increase in temperature of 56 K. Calculate the heat lost or gained by the system in response to this change in the external temperature.
Calculate the conversion cost rates for department : Calculate the conversion cost rates for department and calculate the budgeted cost of goods manufactured for vitamin A, vitamin B, and the multivitamin for the month of July.
Compute the change in enthalpy of the reaction : Calculate the change in enthalpy of this reaction. Specific heat of the solution = 4.184 J/(g oC) State your answer in kJ with 3 significant figures. Don't forget to enter the unit behind the numerical answer. The molecular weight of KOH is 56.2 g..
Estimate the number of air molecules in the room : A physics lecture room has a volume of 254 m3. For a gas pressure of 1.00 atm and a temperature of 27.0 oC, use the ideal gas law to estimate the number of air molecules in the room

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the ph of the buffer system

Calculate the pH of the 0.39M NH3/ 0.73M NH4CL buffer system . B) what is the pH after the addition of 20.0 mL of 0.075M NaOH

  Define the symmetry of cyclohexane chair conformation

Discuss the symmetry of cyclohexane chair conformation, half chair conformation, and boat conformation.

  What is the final temperature

A 47.0 mL sample of gas in a cylinder is warmed from 28 degrees Celsius to 91 degrees Celsius. What is the final temperature?

  How many cubic centimeters of an ore containing only gold

How many cubic centimeters of an ore containing only 0.22% gold (by mass) must be processed to obtain $100 worth of gold.

  Explain what is the theoretical yield of aspirin

What is the theoretical yield of aspirin in an experiment if you start with 2.0 g of salicylic acid and 5.0 mL of acetic anhydride (density = 1.08 g/mL)

  Define a mechanism for the hydrolysis of n-butyl bromide

Suggest a mechanism for the hydrolysis of n-butyl bromide to n-butanol. Include the elementary steps and indicate the rate determing step

  Calculate the quantity of heat in calories release

Calculate the quantity of heat in calories release when 241.62 g of water is cooled from 80.6°C to 28.0°C.

  Taking into account resonance explain the weakest c-o bond

Taking into account resonance, which of the following has/have the weakest C-O bond

  In the barium chloride laboratory activity what change

in the barium chloride laboratory activity what change occurred in the physical appearance of the barium chloride

  Explain how new international business environment is

traditionally foreign direct investments fdi has followed foreign trade since foreign trade is typically less costly

  Explain what is the mole fraction of benzene in the vapor

What is the composition in mole fractions of a solution that has a vapor pressure of 30. torr at 20°C? X C6H6 and X C7H8. What is the mole fraction of benzene in the vapor above the solution described in part (a)?

  Explain high-pressure liquid chromatography

High-pressure liquid chromatography (HPLC) is a method used in chemistry and biochemistry to purify chemical substances. The pressures used in this procedure range from around 500 kilopascals (500,000 Pa ) to about 60,000 kPa (60,000,000 Pa).

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