How to compute the heat lost or gained by the system

Assignment Help Chemistry
Reference no: EM13654414

A cylinder contains 250 g of Helium at 200 K. The external pressure is constant at 1 atm. The temperature of the surroundings is lowered by 100 K. Calculate the heat lost or gained by the system in response to this change in the external temperature.

Reference no: EM13654414

Questions Cloud

How many alpha particles strike the surface : A steady beam of alpha particles (q = + 2e)traveling with constant kinetic energy 18 MeV carries a current of 0.30 µA. If the beam is directed perpendicular to aplane surface, how many alpha particles strike the surface in 3.0s
How to evaluate the molar mass of the acid : A 0.1651-g sample of an unknown monoprotic acid was dissolved in 28.4 mL of water and titrated with 0.0634 M NaOH solution. The volume of base required to bring the solution to the equivalence point was 19.1 mL. Calculate the molar mass of the aci..
What is the total kinettic energy of the two-mass system : A 6kg object moving 2m/s in the positive x direction has a one-dimensional elastic collision with a 4kg object moving 3m/s in the opposite direction
Supported entirely by square steel columns : A tunnel of lenght L=150 m, height H=7.2 m, and width W=5.8 m (with a flat roof ) . With a distance D= 60 m beneath the ground. The roof of the tunnel is to be supported entirely by square steel columns, each with a cross-sectional area of 960 cm2..
How to 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. The temperature of the surroundings is lowered by 100 K. Calculate the heat lost or gained by the system in response to this change in the external temperatu..
Calculate the magnitude of the current density : A potential difference of 1.00 V willbe applied to a 40.0 m length of18-gauge copper wire (diameter = 0.0400 in.). calculate the magnitude of the current density
Explain how many grams of ammonium chloride : How many grams of ammonium chloride (pKa=9.24, 58.491 g/mol) should be added to 500 mL of 0.1060 M ammonia to make a buffer with pH=8.5 (to three s.f.)
Literature review - cds contracting and pricing : LITERATURE REVIEW - CDS Contracting and Pricing When the CDS market is compared with the stock and bond markets together, the CDS market is found to be significantly more sensitive to the stock market than the bond market
What was the initial speed of the given object : A 3kg object moving in the positive x direction has a one-dimensional elastic collision with a 5kg object initially at rest. What was the initial speed of the 3kg object

Reviews

Write a Review

 

Chemistry Questions & Answers

  Explain strategies for the excretion of nitrogenous wastes

Describe the various strategies for the excretion of nitrogenous wastes employed in higher animals (chordates), both human and non-human.

  What''s the mass of aluminum required

Hydrochloric acid reacts with aluminum to form aluminum chloride and gseous hydrogen. What's the mass of aluminum required to produce 1.0kg of aluminum chloride if there is excess acid?

  Correlate the molar mass and molecular size

Correlate the molar mass, molecular size, and bond polarity of these three gases with the molar volume of a perfect gas. O2, Co2, and H2

  Explain the reaction is 2-ethoxy-2,3-dimethylbutane

The major product of the reaction is 2-ethoxy-2,3-dimethylbutane. In addition, 2,3-dimethyl-2-butene, 2,3-dimethyl-1-butene, and 3,3-dimethyl-1-butene are produced as minor products. Suggest a mechanism

  Explain 3-dimethylpentane and including stereoisomers

Draw all possible monochlorination products of 3,3-dimethylpentane, including stereoisomers.

  A flask is filled with 120 of argon ar gas at the

a flask is filled with 1.20 of argon ar gas at the temperature ofnbsp twenty five degree celsius . a sample of c2h6

  Explain reaction is used to raise the temperature of the air

Combustion of natural gas (primarily methane) occurs in most household heaters. The heat given off in this reaction is used to raise the temperature of the air in the house.

  Evaluate the equilibrium concentrations of reactant

The equilibrium constant, Kc, for the following reaction is 77.5 at 600 K. CO(g) + Cl2(g) COCl2(g) Calculate the equilibrium concentrations of reactant and products when 0.233 moles of CO and 0.233 moles of Cl2 are introduced into a 1.00 L vessel ..

  Define octane is completely converted to co2 and water vapor

if you burn 10.00g of octane. if the temperature is 500K, and you have an expansion of 1.00 atm, how much work in joule can be done by the system if the octane is completely converted to CO2 and water vapor. what will be the enthalpy change

  Describe in brief the risk connected with solutions of 1m

describe in brief the risk connected with solutions of 1m nh3 1m hcl and 1m naoh?external pressure of 13.0 atm had by

  A 500 ml solution of 12 m hcl at 241 deg celsius is mixed

a 50.0 ml solution of 1.2 m hcl at 24.1 deg celsius is mixed with 50.0 ml of 1.3 m naoh also at 24.1 degrees celsius in

  Explain what is the length of your wire in meters

You melted a copper cylinder of volume 10.0 cm3 to fabricate a thin long wire of diameter 0.02 mm. What is the length of your wire in meters

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