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according to le chateliers principle, what is the effect on the products when N2 is added to the equilibrium mixture of each of the following reactions? a)2NH3(g)<>3H2(g)+N2(g). b)N2(g)+O2(g)<>2NO(g). c)2NO2(g)<>N2(g)+2O2(g). d)4NH3(g)+3O2(g)<>2N2(g)+6H2O(g)
an experiment was performed to determine the amount of pyridoxine (B6) in a vitamin tablet. A tablet weighing 0.4006g was dissolved in 25mL of solution
Draw the lewis structure of CH3NCS including all resonance forms. Assign formal charges.
How many calories are required to raise the temperature of 125.0g of water from 50.0 degrees c to 95.0 degrees c?
If the initial pressure of the ether is 135 torr, what is its partial pressure after 1420 s? (Note, since the volume and temperature don't change, the pressure is directly related to number of moles and so the pressure can be treated similar to co..
If 5.40 mol calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2) will be produced?
Find the rate of the reaction - What is the rate of the reaction?
Calculate the pH of the resulting solution at each of the specified points in the titration. Initially: pH of HCl
Calculate the composition of the exhaust gases in kg/hr and calculate the percentage of benzene that is partially combusted.
a 5.0 dm3 sample of oxygen at a pressur of 200 kpa and 2.0 dm3 sample of nitrogen at a pressure of 500 kpa are introduced into a 2.5 dm3 vessel. what is the total pressure in the vessel?
How much heat is required to convert 5.0 g of ice at -10.0 ?C to liquid water at 15.0 ?C? (Assume heat capacities are independent of temperature.)
Consider the following reaction: 2Mg + O2 --> 2MgO , Rate = k[Mg][O2]^2 Part A What is the overall reaction order? Express your answer as an integer. Part B What are the units of the rate constant k for this reaction?
The air pollutant NO is produced in automobile engines because of the high-temperature reaction below. If the initial concentrations of N2 and O2 at 1000 K are both 1 M
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