What is the free energy change

Assignment Help Chemistry
Reference no: EM1317054

Multiple choice questions in free energy change.

1. The enthalpy and entropy change of a reaction are -6.1 kJ/mole and +38.9 J/mole K respectively at 25ºC. What is the free energy change in kJ/mole?

 A.-17.7

 B.-11.6

 C.-5.5

 D.+5.5

 E.+17.7

 

2. The enthalpy and entropy change of a reaction are -26.1 kJ/mole and +3.89 J/mole K respectively

at 25ºC. What is the free energy change in kJ/mole?

 A.-30.3

 B.-27.3

 C.-24.9

 D.-17.3

 E.+24.9

3.Using the listed information calculate Kp at 25ºC.

Ag2O(s) " 2 Ag(s) + 1/2 O2(g)

Hºf (kJ/mole) -31.0, 0.0, 0.0

Sº (J/K.mole) 121.3, 42.6, 205.1

 A.2.22 x 10-3

 B.3.41 x 10-2

 C.2.22 x 10-2

 D.1.09 x 10-2

 E.4.41 x 10-1

Reference no: EM1317054

Questions Cloud

Explaining societal problem and individual problem : In what sense is this business problem? A societal problem? An individual problem?
Value of the population mean : What is the value of the population mean? What is the best estimate of this value?
Explain how will you utilize the wsj in your personal life : Explain How will you utilize the WSJ in your personal life or career after this course
Managerial decisions on price and demand elasticity : Estimation of sales from multiple regression models - figuring out the own price elasticity of demand and cross price elasticity of demand - the relevant business decision to increase the total revenue.
What is the free energy change : Multiple choice questions in free energy change and What is the free energy change in kJ/mole?
Determining suitable graphs and statistical tests : Each party's position must be statistically sound. Include as suitable graphs, computations, and statistical tests.
Explaining the role of cio : Assess the role of CIO within any health care organization and explain the key characteristics a CIO would require to possess to be effective in that position.
Find the quotient and remainder : Find the quotient and remainder.
Finding of sample size for population mean : How many boxes must the processor sample to be 95 percent confident that the sample mean does not differ from the population mean by more than 0.2 pounds?

Reviews

Write a Review

 

Chemistry Questions & Answers

  Determine the equilibrium concentrations

Determine the equilibrium concentrations - what are the new equilibrium concentrations of all species.

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Make nuclear fission more efficient

Multiple choice questions in Nuclear reactions - make nuclear fission more efficient, which device is used in a nuclear reactor to slow the speed

  Sample of a radioactive element decreases

Multiple choice questions in Nuclear chemistry - As the temperature of a sample of a radioactive element decreases, the half-life will

  Multiple choice questions in nuclear chemistry

Multiple choice questions in nuclear chemistry - which equation represents the balanced nuclear equation

  Calculate volume of oxygen gas

Find the volume of oxygen gas required to react completely with iron and Calculate the volume of oxygen gas at STP that is required to completely react with 61.0 g of iron.

  Questions on chemical equations

Questions on chemical equations - Write a balanced equation for this reaction. Include the states of matter for each compound.

  Determine theoretical yield

Determine theoretical yield, limiting agent and excess reagent - How much excess reagent remains after the reaction goes to completion

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

  Calculate the rate at each time interval

Calculate the rate at each time interval & average rate for the reaction and determine the rate of each time interval, and then calculate the average rate for the reaction in terms of [H 2 O].

  Prepare the molecular formula for given compounds

Prepare the molecular formula for given compounds and determine the amount of molecules present and write the molecular formula and determine how many grams of each you have

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