chem 3
(a) If H is positive and S is negative, would G to be positive or negative or is it dependent on T?
(b) For the sign of G that you have in part (a) would the reaction be spontaneous, nonspontaneous, or dependent on the value of T?
asked by
don

dG = dH TdS
If dH is +, dS is , that means
dG = +. Right?posted by DrBob222
Respond to this Question
Similar Questions

chemistry
(i) Explain why the freshman criterion for sponteneity: G=HTS < 0 is just a statement of the second law of thermodynamics (that the entropy of the universe always increases). Now apply this concept to 
chemistry
17. Calculate H for the following reaction using Hess law H2 (g) + Br2 (g) → 2 HBr (g) Experimental information 2 H+ → H2 H 436.4 kJ 2 Br → Br2 H 192.5 kJ 2 H+ + 2 Br →2 HBr 
Chemistry
Given the following information: C(s) à C(g), H = +715 kJmol1 Cl2(g) à 2Cl(g), H = +242 kJmol1 C(s) + 2Cl2(g) à CCl4(g), H = 135.5 kJmol1 Calculate the average bond dissociation enthalpy of a CCl 
Chem
I am still having problems this question 2. Review Examples 7.3 and 7.4, as well as the equation for E in the chapter notes. Suppose an e−1 in an H atom has a transition from n = 3 to n = 2. a. Determine the energy 
Chemistry
16. From the standard enthalpies of formation, calculate the Horxn for the reaction: (Hof = 151.9 kJ/mol for C6H12.) C6H12(l) + 9 O2(g) 6 CO2 (g) + 6 H2O(l) 
chemistry
We have 1 mol of N2 gas that is heated at constant pressure from 300K to 5770K on the surface of the sun. i) Find H and S given that P for nitrogen is (25.7 + 0.0130T) J/molK. ii) Now, redo your calculation 
Chem
For a particular reaction H = 32 kJ and S = 98 J/K. a.At what temp will the reaction be at equilibrium? b.If the temperature is increased from the equilibrium temperature what will happen? 
Chemisty
How much heat energy is released to surrounding when 15.0 g of water at 35°C is converted into ice with a temperature of 45°C? vap = 2260 J/g; Hfus = 334 J/g; Cp(ice) = 2.06 J/g • °C; Cp(water) = 4.18 
Chemisty
In an experiment, 23.0 g of ice at –25°C is converted into steam with a temperature of 124°C. How much heat is required for the process? The following data may be of use: vap = 2260 J/g; Hfus = 334 J/g; 
geometry
The vertices of ABC are A(8, 0), B(0, 0), and C(0, 4). If a circle is circumscribed around ABC, where would the center of the circle be located?