equilibrium constant

(a) From the attached data calculate the equilibrium constant Kc for each of the three trials ... Please see attachment for data and (b), (c) and (d)

Equilibrium; Ionization; Concentration

15. Into a 5.0 liter flask was placed 35.7 g of PCI5 . The flask and contents were heated to 250 0 C, and then held at temperature until the following equilibiurm was established: PcI5 (g)< > Pc13 (g) + Cl2 (g) It was then shown by analysis that 875 g of Cl2 was pesent in the equilibrium mixture. Calculate K~. (This will ...continues

equilibrium no longer exists - reaction of opening a soft drink bottle

14. In a normal bottle of Coca Cola before it is opened, the following equilibrium exists: H2C03 <=> H+ +HCO3-; Ka = 4.2 x 1 O-7 Once the bottle is opened, this equilibrium no longer exists. Explain what happens, and write a new eqilibrium expression showing what happens. I'll give you a hint; there is more than one equi ...continues

Explain the NMR spectrum of NaBH4

Please explain the splitting pattern observed in this NMR spectrum of NaBH4.

spontaneity

I dont know how to solve these 2 problems. My issue is setting them up, I dont know how to set these problems up to get a solution for them. 1. Given info: 2 C6H6(l) + 15 O2(g) 12 CO2(g) + 6 H2O(l) G° = -6399 kJ C(s) + O2(g) CO2(g) G° = -394 kJ H2(g) + 1/2 O2(g) H2O(l) G° = -237 kJ Calculate G° for the foll ...continues

First Order Reaction

The following first order reaction is conducted in an inert liquid at 45 celsius: N2O5 N2O4 + 1/2 O2 THE RATE CONSTANT IS K=6.2*10 XY TO -4 SXY -1 AN 80.0g SAMPLE OF N2O5 IS DISSOLVED IN THE INERT LIQUID AND ALLOWED TO DECOMPOSE AT 45 CELSIUS. 1- HOW LONG WIL IT TAKE FOR THE QUANTITY OF N2O5 TO BE REDUCED TO 2.5 ...continues

equilibrium

In the manufacture of sodium carbonate, NaHCO3(s) is decomposed by heating. 2 NaHCO3(s) Na2CO3(s) + CO2(g) + H2O(g) Kp=0.23 at 100 celsius. 1-If a sample of NaHCO3(S) is brought a temperature of 100 ...continues

activation energy

At room temperature( 20 CELSIUS), milk turns sour in about 64 hours. In a refrigerator at 3 celsius, milk can be stored 3 times as long before it sours. At each temperature, the constant K: K= c/(souring time) where c is a constant. 1- estimate the activation energy of the reaction that causes the souring of milk ...continues

Endothermic Reaction

THE ENDOTHERMIC REACTION A(g) + B(g) 2C(g) PROCEEDS TO AN EQUILIBRIUM CONDITION AT 200 CELSIUS. WHICH OF THE FOLLOWING STATEMENTS IS (ARE) TRUE? 1- If the mixture is tranfered to a reaction vessel of twice the volume, the amounts of reactants and products will remain unchanged 2- Addition of an appro ...continues

equilibrium constant

GIVEN THE EQUILIBRIUM CONSTANT VALUE OF Kc FOR THE FOLLOWING RECTION AT 300 CELSIUS N2(g) + 1/2 O2(g) N2O(g) Kc=3.4 * 10 XY -18(SQUARE ROOT) AT 300 CELSIUS N2O4(g) 2NO2(g) kc=4.6*10(SQUARE RROT OF -3 AT 300 CELSIUS 1/2N2(g) + O2(g) ...continues