posted by .

What is the overall standard free-energy change for the following two reactions?

A + B-->2C äG = äG1
C + D-->E äG = äG2

a)äG1 + äG2
b)äG1 + 2äG2
c)äG2 – äG1
d)2äG2 – äG1

  • Chemistry -

    A + B ==> 2C.....dG1
    2C + 2D ==> 2D...2dG2
    Adding gives me dG1 + 2dG2.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. chemistry

    Could I get some help with these please? Thanks Calculate the electrical potential (V). Ag/1M Ag+1// 1M Fe+3/Fe Ag2+( aq ) + e – Ag+( aq ) 1.98 Fe3+( aq ) + 3e – Fe(s) –0.04 2. A voltaic cell is reconstructed used electrodes
  2. chemistry

    I have to find delta G from a problem. Not the standard free energy, from the change in engery. So this delta G does not have the degree sign above. The equation i used was deltaG=standard G+RTlnQ If deltaG was a positve number, what …
  3. Chem

    Which of the following will be more soluble in an acidic solution than in pure water?
  4. chemistry

    A solution of AgNO3 (1 x 10-6 molar) is prepared. To this is added K2CrO4 until precipitation of Ag2CrO4 begins. The Ksp of Ag2 CrO4 is 9 X 10-12. Addition of NaCl will bring about:
  5. Chemistry

    Which is a possible electrochemical cell, shown in correct notation?
  6. Science-math

    The equation for the decomposition of silver oxide is 2(Ag2)o yields 4Ag +o2. Set up ratio to calculate the number of oxygen molecules released when 1 gram of silver oxide is broken down. There are 2.6 x 10 to 21 power molecules in …
  7. chemistry

    for the reaction 3C2H2=> C6H6 at 25 C, the standard enthalpy change is -631 KJ and the standard entropy change is -430 J/K. calculate the standard free energy change at 25 C. show all work!
  8. chemistry

    What [Ag1+] is required to start precipitation of AgOH from a saturated solution of Mg(OH)2?
  9. Chemistry

    Calculate the standard free energy of the following reactions at 25C, using standard free energies of formation. a. C2H4(g)  3O2(g) ±£ 2CO2(g)  2H2O(l) b. CaCO3(s)  2H(aq) ±£ Ca2(aq)  H2O(l)  CO2(g)
  10. Chemistry Help please! (:

    Calculate the mass of oxygen gas that can be produced in the decomposition of 5.55 g of silver oxide. This is what I did but is it right?

More Similar Questions