Explain the entropy change for a reversible process

Assignment Help Chemistry
Reference no: EM13239598

The entropy change for a reversible process can be defined by the expression ?S = q?/?T. Which statement about entropy change is not correct?

a)The term q represents the heat of the system

b)This expression is valid only at equilibrium.

c)The term T represents the change in temperature.

d)?S, the change in entropy, represents Sfinal ? Sinitial.

Reference no: EM13239598

Questions Cloud

Find the electric potential energy of this distribution : Three point charges of 2.0 ? C, 4.0 ? C, and 6.0 ? C form an equilateral triangle with each side 2.9cm Find the electric potential energy of this distribution
Explain what are the wavenumber and frequency ranges : A sophisticated ultraviolet/visible/near-IR instrument has a wavelength range of 185 to 3000nm. What are its wavenumber and frequency ranges
By what percent and in which direction did currency change : On October 31, 2010 the USDMXN was 10.00. On the same date in 2011, the MXNUSD exchange rate was $0.07692. (use abbreviations only - USD or MXN) By what percent and in which direction did each currency change over this time period.
Calculate distance between first and second electron : An electron is released a short distance above Earth's surface, the first electron just great enough to cancel the gravitational force on it, How far below the first electron is the second
Explain the entropy change for a reversible process : The entropy change for a reversible process can be defined by the expression ?S = q?/?T. Which statement about entropy change is not correct
What was the direct rate for the us dollar last year : On October 31, 2010 the USDMXN was 10.00. On the same date in 2011, the MXNUSD exchange rate was 0.07692 What was the DIRECT rate for the U.S. dollar last year and what was the INDIRECT rate on October 31, 2011
Define standard state is the physical state : Standard state is the physical state in which a substance is stable at 1 atm of pressure and a specified temperature
Explain two factors that would increase or decrease supply : Many factors determine the supply and demand for labor. Identify and explain two factors that would increase or decrease the demand for labor. Identify and explain two factors that would increase or decrease the supply of labor.
Find the magnitude of the total electrostatic force : A particle with charge ?2 µC is located on the x-axis at the point 4 cm, What is the magnitude of the total electrostatic force on a third particle with a charge of -2 µC placed on the x-axis at -2 cm

Reviews

Write a Review

Chemistry Questions & Answers

  Radio message to reach earth from saturn

Radio waves travel at the speed =3.00 108 m/s(speed of light,). if Saturn is 7.9 108 km from Earth then Determine how many minutes does it take for a radio message to reach Earth from Saturn?

  Calculate the ratio of rates of effusion of o2 versus cl2

Calculate the ratio of rates of effusion of O2 versus Cl2. Record your answers to three significant figures. The concentration of CO2 in the atmosphere is 375ppm (by volume). What is the mole fraction of CO2 in the atmosphere?

  Calculate the molarity of the acid solution

A 2.78 L sample of hydrogen chloride (HCl) gas at 2.61 atm and 28°C is completely dissolved in 651 mL of water to form hydrochloric acid solution. Calculate the molarity of the acid solution. Assume no change in volume.

  Define what is the h+ concentration

The pH of rainwater in a polluted area was found to be 3.50. What is the H+ concentration

  Evaluate the ph at one-half the equivalence point

If Ka is 1.85 x 10-5 for actetic acid, calculate the pH at one-half the equivalence point and at the equivalence point for a titration of 50 mL of 0.100 M acetic acid with 0.100 M NaOH

  Explain the molar solubility of calcium phosphate

The molar solubility of calcium phosphate. b) The molar concentration of calcium ions at equilibrium. c) The molar concentration of phosphate ions at equilibrium.

  Determine what will be the new temperature of the gas

Calculate the volume of a balloon at the final temperature if this balloon at temperature of 279K and an initial volume of 2.3L is warmed to 406K.

  What is the change in internal energy of the system

A system absorbs 192 kj of heat and the surroundings do 120 kj of work on the system. what is the change in internal energy of the system

  State the elemental metals to the parent compound

n-type semiconductors can be formed by addition of the elemental metals to the parent compound. For example, addition of Zr to ZrO or Ti to TiO. Like wise, p-type semiconductors

  Explain the bubble point pressure and bubble composition

Assume that the system benzene and chlorobenze at 100 degree celcius obeys Raoult's law. for a binary mixture with an overall mole fraction Z=.30 determine

  Compute the overall (triangle)h degrees for the reaction

Calculate the overall (triangle)H degrees for the reaction shown given the bond dissassociation enrgies

  How many grams of oxygen gas are required

How many grams of oxygen gas are required to produce 7.68 kJ of heat when hydrogen gas burns at constant pressure to produce gaseous water?

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