Find the thermal conductivity of charcoal

Assignment Help Chemistry
Reference no: EM131353839

Two thin concentric spherical shells of radius 0.05 m and 0.15 m, respectively, have their annular cavity filled with charcoal.

When energy is supplied at the steady rate of 10.8 W to a heater at the center, a temperature difference of 50°C is set up between the spheres. Find the thermal conductivity of charcoal.

Reference no: EM131353839

Questions Cloud

How could the survey have been more useful : The popularity of Southwestern University's football program under its new coach Phil Flamm surged in each of the 5 years since his arrival at the Stephenville, Texas, college. Using at least two different quality tools, analyze the data and presen..
Ngss crosscutting concepts between ionic : what are the NGSS Crosscutting concepts between ionic/covalent compounds?
What about the policy lag : Distinguish between the expenditure lag and the policy lag in stabilization policy. Does monetary or fiscal policy have the shorter expenditure lag? What about the policy lag?
What is the strongest metal : Can you please describe each question and why the answer is that 1) What is the strongest metal? 2) The strongest alloy? 3) Which salt has the highest vaporization point? 4) Which covalent molecule has the highest vaporization point? 5) What is th..
Find the thermal conductivity of charcoal : When energy is supplied at the steady rate of 10.8 W to a heater at the center, a temperature difference of 50°C is set up between the spheres. Find the thermal conductivity of charcoal.
Importance of such educational programs in prison : Write a biographical sketch of a famous person who is no longer living, using at least three separate sources that are reliable and relevant
Discuss how checks and balances are established : The issue of separation of powers is designed to maintain checks and balances as illustrated in the relationships between the branches of government.Discuss how checks and balances are established; name the branches involved and their role, and wh..
What is the temperature difference between the two ends : A solid cylindrical copper rod 0.10m long has one end maintained at a constant temperature of 20 K.- When equilibrium is reached, what is the temperature difference between the two ends?
Difference between the budget deficit and the national debt : Explain the difference between the budget deficit and the national debt. If the deficit gets turned into a surplus, what happens to the debt?

Reviews

Write a Review

Chemistry Questions & Answers

  Define urine depends on the relative amount of protonated

Uric acid dissociates as shown in the figure at the right with a pKa of 5.80, and can be treated as a simple monoprotic acid in this pH range. Its solubility in urine depends on the relative amount of protonated and unprotonated forms. A urine sam..

  What is the chemical oxygen demand, in milligrams

A 25.0 mL sample of river water was titrated with 0.0010 M Na2Cr2O7 and required 8.3 mL to reach the end-point. What is the chemical oxygen demand, in milligrams of O2 per liter, of the sample?

  Explain a system comprised of chloroform

A system comprised of chloroform, 1,4-dioxane, and ethanol exists as a two-phase vapor/liquid system at 50 degrees C and 55 kPa.

  Explain and determine the initial quality and temperature

Determine the initial quality and temperature of the fluid mixture prior to heating. [quality x1 = 0.182, T1 = 113.3°C] b) Determine the final volume of the steam after heating. [0.546 m3 (546 liters)] Note: 1000 liters - 1 m3

  Explain combination of weak acid and its salt

Show how a buffer system will not drastically change its pH by addition of a certain amount of a strong acid or base. Use 0.50 M buffer system and show how the pH will change upon addition of 10.0 mL each of ) 0.10 M of HCl or NaOH. Use any combin..

  Explain the activation energy for the reverse reaction

What would be the activation energy for the reverse reaction in the presence of a catalyst that decreased the activation energy for the forward reaction to 107 kJ/molrxn

  Explain analyze for halogen content a variation

In elemental analysis combustion is used to analyze for C, H and N content by weight. To analyze for halogen content a variation of the following experiemnt can be used.

  Compute the potential of the cell

Calculate the potential of the cell. Indicate whether the reaction will proceed spontaneously in the direction considered (oxidation on the left, reduction on the right) or an external voltage source is needed to force this reaction to occur

  Calculating the radiocarbon age

You have a radiocarbon sample analyzed and find out that the sample has 60% of the modern level of radiocarbon. Calculate the radiocarbon age of the sample using an assumed 5730-year half-life.

  What pressure is exerted by 0.879 mol of n2

What pressure is exerted by 0.879 mol of N2 in a 7.42 L steel container at 7.8 degrees celcius?

  Explain cerium is often used as a reducing agent

Cerium is often used as a reducing agent. Although it is expensive, it has a high stabile and constant value of E^ o over a PH range from 0 to 7.

  Fundamental difference in voltaic and electrolytic cell

What is the fundamental difference between a voltaic cell and an electrolytic cell. Can a voltaic cell in which both half-reactions are the same generate a current.

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