Consider the reaction below: 4 NH3)+502) 4 NO(g) + 6 H₂O(g) AH° -906 kJ How many moles of ammonia must react to produce 453 kJ? Show your work on a separate piece of paper or provide the answer in the space provided.

The following thermochemical equation is for the reaction of carbon dioxide(g) with hydrogen(g) to form acetylene(g) (C2H2) and water(g). 2CO2(g) + 5H2(g)→C,H2(g) + 4H2O(g) AH= 46.5 kJ When 9.15 grams of carbon dioxide(g) react with excess hydrogen(g), kJ of energy are

Propane reacts with oxygen gas to produce carbon dioxide and water as shown in the reaction below. How much energy in kJ will be released if 500 kg of propane is burned in the air? C3H8 + 50₂ 3CO₂ + 4H₂0 AH = -2221 kJ

1. Given the following thermochemical data at 25°C and 1 atm pressure, 3 202(g) + 2B(s) → B203(s) AH° =-1264 kJ O3(g) + 2B(s) → B2O3(s) AH° = -1406 kJ determine AH° for the following reaction at 25°C and 1 atm pressure. 203(g) → 302(g)

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A typical bike tire has a volume of 150 in³. If a bicycle pump can hold 567 cm³ of air, and you compress it to 350 cm³ with each pump, against an external pressure of 1.0 atm, how much total work (J) would you need to do on the gas in the bicycle pump in order to completely fill the tire? Give your answer as a positive value. Type your numeric answer and submit

Consider the following reaction: 2 Mg + O22 MgO AH xn=-1203 kJ Calculate the amount of heat (in kJ) associated with complete reaction of 97.2 grams of Mg. O-3862 kJ O-4812 kJ O-601.5 kJ -2406 kJ O-1203 kJ 13

AH Changes sign when a Click on the process is reverNod screen when you started and its derivative demonstrate that the reaction enthalpy, AH, changes sign when a process is reversed. button within the activity and analyze the relationship between the two reactions that are displayed. The reaction that was on the Consider the reaction H2O(1)→H2O(g), AH = 44.0kJ What will AH be for the reaction if it is reversed? Express your answer with appropriate units. > View Available Hint(s) ? HA Value Units

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In the following reaction, how many moles of CH3OH are required to give off 3791 kJ of heat? 2 CH,OH (I) + 3 02 (g) → 2 CO, (g) + 4 H,0(g) AH° = -1280. kJ