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How many moles of NO2 gas can be produced from 45.5 g of O2 gas in the following reaction? (show your work in the answer box - limit 100 caracters).
4 NH3(g) + 7 O2(g) ---> 4 NO2(g) + 6 H2O(g)
(molar masses: O = 16.00g/mol, N = 14.01g/mol)
What would be the change in pressure in a sealed 10.0 L vessel due to the formation of N2 gas when the ammonium nitrite in 3.0 L of .700 M NH4NO2 decomposes
What are the percetages of each compound. Namphthalene = 17 cm^2 Phenol = 38cm^2 Toluene= 4 cm^2 question E) Calculate the retention times for th following componnts from teh following information. Component A= 7.6 cm, Component C=12.9cm. Chart sp..
What was the wavelength of the second photon emitted?
Describe the preparation of 12 mL of a 0.050 M solution of each of the halogens, using the reactions in the preceding question. Available to you are solid Ca(OCl)2
Determine what is the coordination of the cations in the case of a normal spinel and what point defects are possible in the spinel structure?
Calculate the volume of ammonia required to bring the pH to 3.00 and to 8.00. Kb (NH3) = 1.8 x 10^-5.
A solution of I2 was standardized with ascorbic acid. Using a .1000 g sample of pure ascorbic acid, 25.32 mL of I2 were required to reach the starch end point. A. What is the molarity of the iodine solution? B. What is the titer of the iodine solu..
Design a circuit for calculating the average value of three input voltages multiplied by 1000?
A 45- piece of ice at 0 is added to a sample of water at 20. All of the ice melts and the temperature of the water decreases to 0. How many grams of water were in the sample
the activation energy for the decompostion of HI to H2 and I2 is 186 kJ/mol. The rate constant at 555 K is 3.2 x 10^-7 L/mol*s.
For the decomposition of ammonia on a tungsten surface at 1100 oC 2 NH3 N2 + 3 H2 the average rate of disappearance of NH3 over the time period from t = 0 s to t = 1417 s is found to be 3.40E-6 M s-1. The average rate of formation of N2 over the s..
What minimum mass of succimer (C4H6O4S2) is needed to bind all of the lead in a patient's bloodstream? Assume that patient blood lead levels are 25 , that total blood volume is 5.0 L , and that one mole of succimer binds one mole of lead.
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