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The first step in industrial nitric acid production is the catalyzed oxidation of ammonia. Without a catalyst, a different reaction predominates: 4NH3(g) + 3O2(g) ? 2N2(g) + 6H2O(g) When 0.0280 mol gaseous NH3 and 0.0250 mol gaseous O2 are placed in a 1.00 L container at a certain temperature, the N2 concentration at equilibrium is 1.30×10-3 M. Calculate Keq for the reaction at this temperature.
A solution of NaCl dissolved in water will have 1) a lower freezing point than pure water 2) a lower boiling point than pure water 3) larger crystals when frozen than pure water 4) a lower density than pure water 5) a higher freezing point than pu..
Determine the value of K (the thermodynamic equilibrium constant) at each temperature. b) Assuming that ?H°rxn is independent of temperature, determine the value of ?H°rxn from these data.
At 25 degrees Celsius the rate constant for the decomposition of a pesticide solution is 6.40e-3 min-1. If the starting concentration of pesticide is 0.0314M, what concentration will remain after 62.0min at 25 degrees Celsius
The original volume (before the .406 mole C(g) begins to decompose) is 10.00L. What is the volume in the cylinder at equilibrium?
A heat exchanger is used to transfer heat from a steam stream to a chlorine gas stream. 100 kg of steam at 1 bar and 400°C enters the heat exchanger and leaves the exchanger as saturated steam at 1 bar. Chlorine gas enters the exchanger at 1 bar a..
What volume does the beaker hold? Use d =1.00 g/mL as the density of water answer in mL B)How much would the beaker and its contents weigh if it was completely filled with mercury?
If the mass of water surrounding the calorimeter was exactly 1000 g and the heat capacity of the bomb calorimeter was 1.75 kJ/°C, calculate the molar heat of combustion of liquid methanol .
how would you know a strong acid from a weak acid without looking at some data? for example hbr hi hci are all stong
Codeine, C16H21NO3, is a monohydroxic derivative of morphine with pkb=6.05. Calculate the PH of a 80.0 ml soultion that contains 6.5 mg of codeine
Caproic acid C5H11COOH is found in small amounts in coconut and palm oils and is used in making artificial flavors. A saturated solution of the acid contains 11 g/L and has a pH of 2.94. Calculate Ka for the acid.
How much helium gas would it take to ?ll a gas balloon with a volume of 1020 cm 3 when the temperature is 39.0? C and the atmospheric pressure is 724 mm Hg? Answer in units of mol.
universe on assumption that heat capacities are independent of temperature
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