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in an industrial process nitrogen is heated to 400kelvin at a constant volume of 1m3.the gas enters a container at 300k and 100atm. the mass of the gas is 92.4kg. use the vander waals equation to determine the approximate pressure of gas at its working temperature. for nitrogen a=1.352dm6 and b=0.0387dm3mol-1
How many moles of CF4 can be produced when 5.00 mol C react with 8.00 mol F2?
Explain why Cu2+ ion does not precipitate as the hydroxide when you add NH3 solution to make the solution basic. Write a chemical equation to support your explanation.
0.015 M solution of hydrogen cyanate (HOCN) has a pH of 2.67. What is the hydronium ion concentration in the solution and the ionization constant, Ka, for the acid
Carbon dioxide is removed from the atmosphere of space capsules by reaction with a solid metal hydroxide. Theproducts are water and the metal carbonate
A 15.00 mL sample of HCL solution of unknown concentration was titrated with .185 M Ca(oh)2 (aq). It took 23.9 mL of the base to reach the equivalence point of the titration.
How many liters of it are required to decompose the organic matter in 1.00 liter of wastewater with a biological oxygen demand (BOD) of 137 mg per liter
Enter the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate Imagine that andA, B are cations and X,Y Z,, and are anions, and that the following reactions occur
Calculate the number of moles of ions present in 58.5 g of a solution that is 8.68% Fe2(SO4)3 by mass. a) There are 0.0635 moles of ions in this solution. b) There are 0.0127 moles of ions in this solution.
How many grams of dipotassium phthalate (242.3 g/mol) must be added to 700 mL of 0.175 M potassium hydrogen phthalate to give a buffer of pH 6.00?
Arrange the bonds in each of the following sets in order of increasing polarity: a)C--F, Be--F, O--F b)O--Cl, S--Br, C--P c)C--S, B--F, N--O
Which two electron configurations represent elements that would have similar chemical properties. (1) 1s22s22p4 (2) 1s22s22p5 (3) [Ar]4s23d104p3 (4) [Ar]4s23d104p4
what is the pressure exerted onto the closed end of an apparatus if the atmospheric pressure is 720 torr and the height of the water is 22.3 cm.
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