Given the reaction where 1.00 mol H2(g) is burned in excess O2(g) at 25 °C,
H2(g) + 10O2(g) -> H2O(g) +excess O2 (g)
Calculate delta r U at 298 K and delta r H at 498 K
Given the reaction where 1.00 mol H2(g) is burned in excess O2(g) at 25 °C, H2(g)...
problem #9 Calculate the equilibrium constant for the following reaction at 25°C. 2H2(g) + O2(g) 2H20cv) Given the following standard free-energy: H2O , -237.2 KJ/mol at 25°C. Problem #10. Given the following data at 25°C: substance sº (J/mol.K) AH', (KJ/mol) 240.45, 33.8 304.33 9.66 NO 249) N2O160) (a) Calculate the value of A Gº for the following reaction at 25°C: 2 NO2(9) N20 (9) (b) Is the formation of NO a spontaneous process at 25°C and standard-state conditions? (a) What...
At 1000 °C, for the reaction: 2 H2O(g) ↔ 2 H2(g) + O2(g) Kc = 7.32 x 10-18, what will be the [H2(g)] at equilibrium if 1.00 mol of H2O(g) are placed in a 10.0 L vessel?
Consider the following reaction at 248 C and 1.00 atm: CH3Cl (g) + H2(g) --> CH4(g) + HCl (g)For this reaction, the enthalpy change at 248 C is -83.3 kJ/mol. At constant pressure the molar heat capacities (Cp) for the compounds are as follows: CH3Cl (48.5 J/mol K) ; H2 (28.9 J/mol K) ; CH4 (41.3 J/mol K) ; HCl (29.1 J/mol K) Assuming that the Cp values are independent of temperature, calculate ∆H for this reaction at 25 C.
use the following table for the reaction C2H2 (g) + 5/2 O2 (g) = 2CO2 (g) + H2O (g) delta H = -1255.5 KJ/mol substance S (J. mol-1. K-1) C2H2 (g) 200.8 C2H4 (g) 219.5 CO (g) 197.6 CO2 (g) 213.6 CO2 (aq) 117.6 H2O (l) 69.91 H2O (g) 188.7 O2 (g) 205.0 O (g) 161.0 O3 (g) 238.8 a. Use the data to calculate delta S in J/K for this reaction b. Calculate delta G in KJ , since the...
Given the following: O2 (g) + 2F2 (g)------> 2OF2 (g) delta H=+24.5 kJ/mol Bond dissociation energies: F2= 159 kJ/mol; O2 (double bond) = 498 kJ/mol Calculate the bond strength of the O-F bonds in OF2.
Suppose you burned 0.300 g of C(s) in an excess of O2 (G) in a constant-volume calorimeter to give CO2 (G). The temperature of the calorimeter, which contained 725 g of water, increased from 26.05 °C to 28.57 °C. The heat capacity of the bomb is 869 J/K. Calculate per mole of carbon. (The specific heat capacity of liquid water is 4.184 J/g ⋅ K.) = kJ/mol
When 20.00 moles of H2(g) reacts with 10.00 mol of O2(g) to form 20.00 mol of H2O(1) at 25°C and a constant pressure of 1.00 atm. If 1366 kJ of heat are released during this reaction, and PAV is equal to -74.00 kJ, then AH° = +1366 kJ and AE = +1440 kJ. O AH° = +1366 kJ and AE° = +1292 kJ. O AH° = -1366 kJ and AE° = -1292 kJ. O AH° = -1366 kJ and AE°...
The value of AG° at 25 °C for the following reaction: C2H4 (g) + H2 (g) → C2H6 (g) is kJ/mol. At 298 K, AH° for this reaction is -137.5 kJ/mol, and ASº is +120.5 J/K. 35800 A. -101.7 B. -173.4 C. -35800 D. 0 E.
What is the value of ∆S˚ (in J/mol•K) for this reaction at 25˚C? C (s) + H2O (g) CO (g) + H2 (g) Given: ∆G˚= +91 kJ/mol ∆H˚ = +131.4 kJ/mol
1)Consider the reaction B2H6(g) + 3 O2(g) → B2O3(s) + 3 H2O(g) ∆H = -2035 kJ/mol Calculate the amount of heat released when 37.1 g of diborane is burned. 2) Consider the reaction B2H6(g) + 3 O2(g) → B2O3(s) + 3 H2O(g) ∆H = -2035 kJ How much heat is released when a mixture of 9.71 g B2H6 and 1.53 g O2 is burned? 3)Consider the reaction B2H6(g) + 3 O2(g) → B2O3(s) + 3 H2O(g) ∆H = -2035 kJ...