For the combustion reaction of methane, AHºf is zero for CH4 (g) + O2 (g) →...
Given the following reactions Question 1 Given the following reactions AH 66.4 k N2 (g)+202 (g)2NO2 (g) 2NO (g)+02 (g) 2NO2 (g) AH=-114.2 k the enthalpy of the reaction of the nitrogen to produce nitric oxide 2NO (g) N2 (g)+02 (g) KJ. is 90.3 180.6 -180.6 47.8 47.8
Question 20 (3 points) Given the following reactions N2 (g) + 202(g) → 2N02 (8) AH = 66.4 kJ 2NO(g) + O2(g) → 2N02 (8) AH =-114.2 kJ the enthalpy of the reaction of the nitrogen to produce nitric oxide N2 (8) + O2(g) → 2NO(g) is __________ kJ. O 47.8 O-180.6 0-47.8 O 180.6 90.3
QUESTION 12 Given the following reactions N2 (g) + 202 (g) → 2NO2 (g) ΔH = 66.4 kJ 2NO (g) + O2 (g) → 2NO2 (g) ΔH =-114.2 kJ the enthalpy of the reaction of the nitrogen to produce ntric oxide N2 (g) + O2 (g)→ 2NO (g) is kJ. 180.6 O-180.6 90.3 47.8 ヘー47.8
4 For the combustion reaction of methane, AHºf is zero for CH4 (g) + O2 (g) → 2H2O(g) + CO2 (g) A) 02 (g) B) CH4 (g) C CO2 (g) B) H20 (g) E) Both O2 (g) and CH4 (g)
13. How many kJ of heat are required when 128.0 grams of O, is formed as shown in the equation 2H2O(g) 2H2 (s) + O, (e) AH = +483.6 kJ 19344 9672 -1934.4 4336 D Question 14 1 pts 14. How much heat is required to raise the temperature of 31.2 g of bromine from 25.00 C to 27.30 "C? The specific heat of liquid bromine is 0.226 °C 16.23 300.02) 73.05 ) 5.203 Question 15 MacBook Pro DFGHJ 1...
Which one of the following statements is true? O H is the value of a measured under conditions of constant volume. The enthalpy change for a reaction is independent of the state of the reactants and products. Enthalpy is a state function. O Enthalpy is an intensive property. The enthalpy change of a reaction is the reciprocal of the AH of the reverse reaction. QUESTION 2 0.5 points Save Answer Given the following reactions N2 (g) + 2O2 (g) +...
1) The kinetic energy of a 23.2-g object moving at a speed of 81.9 km/hr is. A) 1900 B) 77.8 C) 145 D) 1.43 x 10-3 E) 6.00 2) The specific heat capacity of lead is 0.13 J/g-K. How much heat (in ) is required to raise the temperature of 15 g of lead from 22 °C to 37 °C? A) 2.0 J B) -0.13 J C) 5.8 x 10-4J D) 29 J E) 0.13 J 3) Given the following...
Given the standard enthalpy changes for the following two reactions: (1) N2(g) + O2(g) +2NO(g) AH° = 181.8 kJ (2) N2(g) + 202(g)—>2NO2(g) AH° = 66.4 kJ what is the standard enthalpy change for the reaction: (3) 2NO(g) + O2(g) 2NO2(g) AH° = ? Submit Answer Try Another Version 2 item attempts remaining
Given the standard enthalpy changes for the following two reactions: (1) N2(g) + O2(9)— 2NO(g) AH = 181.8 kJ (2) N2(g) +202(9)—2NO29) AH° = 66.4 kJ what is the standard enthalpy change for the reaction: (3) 2NO(g) + O2(9) *2NO2(9) AH° = ? Submit Answer
the work for the problem/reasoning is zero for 14) For calculating the enthalpy of combustion of methane, AH CH4 (g) + O2(g) → 2H2O(g) + CO2(g) A) O2(g) B) CH4 (g) C) CO2 (g) D) H2O(g) E) Both O2 (g) and CH4 (g) 15) For which one of the following reaction equations is AH,xnequal to AH® for the product species? A) N2(g) + O2(g) → 2NO (g) B) 2H2(g) + O2(g) → 2H20 (1) C) 2H(g) + O2(g) → 2H20...