5. AS is positive for the reaction A) 2H2 (g) + 02 (g) 2H20 (g) B)...
Which reaction has a positive ΔS value?
Which reaction has a positive AS value? Select one: O a. 2H2 (g) + O2 (g) → 2H20 (g) O b. 2NO2 (g) → N204 (g) C. CO2 (g) → CO2 (s) O d. BaF2 (s) — Ba2+ (aq) + 2F- (aq) O e. 2Hg (1) + O2 (g) → 2H30 (s)
2. Which reaction produces a decrease in the entropy of the system? 4 NO (g) 6 H20 (g) A) 4 NH3 (g) +5 O2 (g) B) 2H2 (g) 02 (g) 2H20 (I) 2 Hg (l)O2(g) C) 2 HgO (s)2 D) UF6 (s)U (s) + 3F2 (g) E) H20 (s) H20 (g)
IU. AS is positive for the reaction A) CaO (s) + CO2 (g) CaCO3 (S) B) N2 (g) + 3H2(g) → 2NH3 (g) C) 2503 (g) - 2802 (g) + O2 (g) D) Ag+ (aq) + Cl- (aq) → AgCl (s) E) H20 (1) + H20 (s) 11. AS is positive for the reaction A)2 Ca(s) + O2 (g) 2 Cao (s) B) 2 KClO3 (s) 2KCI(S) + 30 (g) C) HCl (8) + NH3 (8) ► NH4Cl (s) D)...
For the reaction: 2H20(g) = 2H2(g) + O2(g) Kc = 2.40 x 10-3 at a given temperature. At equilibrium, it is found that [H20] = 0.290 M and [H2] = 1.80 x 10-2 M. If the reaction is run in a 8.50 L container, how many moles of O2 are present at equilibrium? moles O2 Tries 0/99 Submit Answer
1) Which of the following processes would be expected to have the largest increase in ?Srxn per mole of benzene? a) C6H6(l) + Cl2(g) ? C6H5Cl(l) + HCl(g) b) C6H6(l) + 15/2 O2(g) ? 6CO2(g) + 3H2O(g) c) C6H6(s) ? C6H6(g) d) 6H6(s) ? C6H6(l) e) C6H6(l) + 9/2 O2(g) ? 6CO(g) + 3H2O(g) 2) The heat of fusion of acetic acid is 11.5 kJ/mol. Its melting point is 16.6 oC. The change in entropy for the melting of acetic acid in...
Part C Given the following reactions 2H2 (9) + O2(g) → 2H20 (9) AH = - 483.64 kJ 2H20 (1) ► 2H2(g) + O2 (9) AH = 571.66 kJ Calculate the enthalpy for the condensation of water vapor to liquid, given by this reaction: H2O(g) + H20 (1) +44.01 kJ +88.02 kJ 0 -44.01 kJ -88.02 kJ Submit Request Answer
DaC. NUL20 1) Find AH, for the reaction 2H2(g) + 2C(s) + O2(g) → C2H5OH(I), using the following thermochemical data. For Hess's Law, rewrite equations to find out AH. C2H5OH (1) +2 02 (g) → 2 CO2 (g) + 3H20 (1) AH = -875.J C(s) + O2(g) → CO2 (g) AH = -394,51 kJ H2(g) + 12 02 (g) → H20 (1) AH = -285.8 kJ
C(s) + O2(g) + CO2(g) AH° = -393.5 kJ (5 pts) Given the following enthalpy values for reactions at 25°C, what is AH at 25°C for the following reaction: C3H3(g) + 502(g) + 4H2O(g) + 3CO2(g) AH = -2043 kJ 3C(s) + 4 H2(g) → C3H8 (g) 2H2(g) + O2(g) + 2H2O(g) AH° = -483.6 kJ
5. Identify the oxidizing agent and reducing agent in each of the following: a) 2H2(g) + O2(g) 2H20 (g) b) Cu (s) + 4HNO3(aq)Cu(NO3)2(aq) + 2NO2(g) + 2H20 (1)
Consider the combustion reaction of propane: C3H8(g)+ 5 02(g)3 CO2(g) +4 H20(g), where AH= -531 kcal. If 6.70 x 104 kcal of energy is released in the reaction, how many grams of oxygen were consumed? ed 12.6 g of O2 2.02x 104 g of O2 wer X 63.1g of O2 404 g of O2 Byt Hack