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Question- A mixture consisting of 0.150 M N2(g) and 0.659 M H2(g) reacts and then reaches equilibrium according to the equation:
N2(g) + 3H2(g) ? 2NH3(g)
At equilibrium, the concentration of ammonia is 0.153 M. Calculate the concentration (molarity) of H2(g) at equilibrium to 3 decimal places.
Explain the each step. Explain the process and each step.
a piece of a newly synthesized material of mass 25.0g at 80 degrees c is placed in a calorimeter containing 100g of
exactly 16.9mL of EDTA are required to reach the EBT endpoint. calculate the total hardness in ppm CaCO3.
Calculate the pH during the titration of 20.00 mL of 0.1000 M ammonia NH3(aq), with 0.1000 M HCl after 20.30 mL of the acid have been added. Kb of ammonia = 1.8 x 10-5.
Calculate the work done by the gas if it expands against a constant pressure of 5 atm. -Answer is -1.14x10^4 J but just need to know how to get there.
On the basis of net ionic equation for the formation of Ba3(PO4)2 included in the lab instructions, if 5 moles of barium phosphate are formed, how many moles of phosphate ion, PO43-, must have reacted with Ba^2+, presuming that PO4^3- is the limit..
a solution is prepared by dissolving 17.75 g sulfuric acid h2so4 in enough water to make exactly 100.0 ml of solution.
student performed two melting-point determination on a crystalline compound. in one determination the capillary tube contained a sample about 1-2 mm in hight and the melting range was found to be 141-142C
The kinetic energy of the emitted electrons is measured to be 11.7 eV. What is the first ionization energy of Hg in kJ/mol? kJ/mol (d) Using this figure of ionization energies, determine which of the halogen elements has a first ionization energy ..
What mass of water, in grams, produces 729 J when cooled from 58.0 degrees Celsius to 28.0 degrees Celsius? The specific heat capacity of water is 4.184 J/g.°C.
The heat capacity of a particular piece of metal is 9.87 joules/gram-Celsius. when dropped in 10.0 ml of water, the temperature of the water rose 1.85 degrees celsius. calculate the mass of this particular piece of metal.
a specific brand of gourmet chocolate candy contains 7.00 g of dietary fat in each 22.7-g piece. how many kilograms of
In a study of alcohol dehydrogenase on alcohol at25.0 degrees Celcius, the concentration of ethanol in a first order reaction decreases from 15.0mmol/L to 5-0mmol/L in 2.5*10^4s. What is the rate constant for the reaction at 25.0 degrees C
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