Question

A.Calculate ΔS°(universe) for the decomposition of 1 mol of gaseous phosphine (PH3) to form white phosphorus...

A.Calculate ΔS°(universe) for the decomposition of 1 mol of gaseous phosphine (PH3) to form white phosphorus and gaseous

S° (J/K · mol .) . ΔfH° (kJ/mol)

O2(g) 205.07 0
H2(g) 130.7 0
H2O(ℓ) 69.95    -285.83
P4(s, white) 41.1 0

PH3(g)210.24 5.47

N2(g)191.56 0

NH3(g)192.77 -45.90

Cl2(g)223.08 0

HCl(g)186.2 -92.31

CO2(g)213.74 -393.509

C(s, graphite)0 5.6

ΔS°(universe) = J/K

B.Determine whether the decomposition of gaseous phosphine (PH3) to form white phosphorus and gaseous hydrogen is spontaneous at 25 °C.

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Calculate ΔS°(universe) for the decomposition of 1 mol of liquid water to form gaseous hydrogen and...
Calculate ΔS°(universe) for the decomposition of 1 mol of liquid water to form gaseous hydrogen and oxygen at 25 °C. S° (J/K · mol) ΔfH° (kJ/mol) O2(g) 205.07 0 H2(g) 130.7 0 H2O(ℓ) 69.95 -285.83 P4(s, white) 41.1 0 PH3(g) 210.24 5.47 N2(g) 191.56 0 NH3(g) 192.77 -45.90 Cl2(g) 223.08 0 HCl(g) 186.2 -92.31 CO2(g) 213.74 -393.509 C(s, graphite) 0 5.6
Consider the reaction: Ca(s) + 2 H2O(ℓ) → Ca(OH)2(aq) + 2H2(g) ΔfH°(kJ/mol) 0 -285.83 -1002.82 0...
Consider the reaction: Ca(s) + 2 H2O(ℓ) → Ca(OH)2(aq) + 2H2(g) ΔfH°(kJ/mol) 0 -285.83 -1002.82 0 S°(J/K·mol) 41.59 69.95 -74.5 130.7 What are the values of ΔH°, ΔS° and ΔG° ΔH° =   kJ/mol ΔS° =   J/mol·K ΔG° =   kJ/mol
1. Gaseous phosphorus trifluoride is prepared by the reaction of phosphine and fluorine: 4 PH_3 (g)...
1. Gaseous phosphorus trifluoride is prepared by the reaction of phosphine and fluorine: 4 PH_3 (g) + 3 F_2 (g) --> 3 PH_4F (s) + PF_3 (g) If you mix PH_3 and F_2 in the correct stoichiometric ratio, and if the total pressure of the mixture is 0.2 atm, then what is the final total pressure in the flask? (Assume T is constant and the reactants have been completely consumed) a) 0.029 atm b) 0.114 atm c) 0.200 atm d)...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT