Question

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

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

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
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.
Calculate ΔG for the reaction H2O (l) <=>H+ (aq) + OH- (aq) at 25C for the...
Calculate ΔG for the reaction H2O (l) <=>H+ (aq) + OH- (aq) at 25C for the following conditions in (kJ/mol)? (a) [H+] = 1.0 x10-3 M, [OH-] = 1.0 x 10-4 M (b) [H+] = 3.3 M, [OH-] = 4.8 x 10-4 M
1.      Calculate the standard free energy change at 500 K for the following reaction. Cu(s) +...
1.      Calculate the standard free energy change at 500 K for the following reaction. Cu(s) + H2O(g) à CuO(s) + H2(g) ΔH˚f (kJ/mol) S˚ (J/mol·K) Cu(s)    0    33.3    H2O(g)    -241.8    188.7    CuO(s)    -155.2    43.5    H2(g)     0    130.6 2.      When solid ammonium nitrate dissolves in water, the resulting solution becomes cold. Which is true and why? a.      ΔH˚ is positive and ΔS˚ is positive b.      ΔH˚ is positive and ΔS˚...
Sodium carbonate can be made by heating sodium bicarbonate:          2NaHCO3(s)--> Na2CO3(s) + CO2(g) + H2O(g) Given...
Sodium carbonate can be made by heating sodium bicarbonate:          2NaHCO3(s)--> Na2CO3(s) + CO2(g) + H2O(g) Given that ΔH° = 128.9 kJ/mol and ΔG° = 33.1 kJ/mol at 25°C, What is the value of ΔS° Answer in J/mol K to 3 sig figs.
The value of ΔH°rxn for the reaction below is –1036 kJ: 2H2​S(g)+3O2​(g) -> 2SO2​(g)+2H2​O(g) Estimate the...
The value of ΔH°rxn for the reaction below is –1036 kJ: 2H2​S(g)+3O2​(g) -> 2SO2​(g)+2H2​O(g) Estimate the average energy of the individual bonds in SO2 from the appropriate average bond energies. (in kJ/mol)
Calculate the ∆Hrxn for the reaction below: MgCl2 (aq) + 2 KOH (aq) ---> Mg(OH)2 (s)...
Calculate the ∆Hrxn for the reaction below: MgCl2 (aq) + 2 KOH (aq) ---> Mg(OH)2 (s) + 2 KCl (aq) ∆Hfo for MgCl2 (aq) = -797.1 kJ/mol ∆Hfo for KOH (aq) =-424.2 kJ/mol ∆Hfo for Mg(OH)2 (s) = -924.7 kJ/mol ∆Hfo for KCl (aq) = -419.6 kJ/mol ∆Hrxno = ? kJ Don't forget the sign and write your 4 significant figures.
Given the following thermochemical data: ½H2(g)+AgNO3(aq) → Ag(s)+HNO3(aq) ΔH = -105.0 kJ 2AgNO3(aq)+H2O(l) → 2HNO3(aq)+Ag2O(s) ΔH...
Given the following thermochemical data: ½H2(g)+AgNO3(aq) → Ag(s)+HNO3(aq) ΔH = -105.0 kJ 2AgNO3(aq)+H2O(l) → 2HNO3(aq)+Ag2O(s) ΔH = 44.8 kJ H2O(l) → H2(g)+½O2(g) ΔH = 285.8 kJ Use Hess’s Law to determine ΔH for the reaction: Ag2O(s) → 2Ag(s)+½O2(g)
Ba(OH)2.8H2O(s) + 2NH4Cl(s) -----> BaCl2. 2H2O (s) + 2NH3(g) + 8H2O(l) Substance DHfo (kJ/mol) DGfo (kJ/mol)...
Ba(OH)2.8H2O(s) + 2NH4Cl(s) -----> BaCl2. 2H2O (s) + 2NH3(g) + 8H2O(l) Substance DHfo (kJ/mol) DGfo (kJ/mol) Ba(OH)2.8H2O(s) -3342 -2793 NH4Cl(s) -314.4 -203.0 BaCl2. 2H2O (s) -1460.1 -1296.5 H2O(l) -285.83 -237.2 NH3(g) -80.29 -26.6 I have the answers, but I dont understand how to get to it. 'change'Grxn= -48.3 kJ, 'change'Hrxn= 63.5 kJ, K=2.93 x 108
(1) Calculate the entropy change of the UNIVERSE when 1.734 moles of Ca(OH)2(aq) react under standard...
(1) Calculate the entropy change of the UNIVERSE when 1.734 moles of Ca(OH)2(aq) react under standard conditions at 298.15 K. Consider the reaction Ca(OH)2(aq) + 2HCl(aq)CaCl2(s) + 2H2O(l) for which H° = -30.20 kJ and S° = 205.9 J/K at 298.15 K. (2) Is this reaction reactant or product favored under standard conditions? (3) If the reaction is product favored, is it enthalpy favored, entropy favored, or favored by both enthalpy and entropy? If the reaction is reactant favored, choose...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT