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The following reaction takes place in a sealed 40 L container at a temperature of 120 degrees Celsius. 4NH3(g) + 5O2(g) 4NO(g) + 6H2O(g). when 34 g of NH3 react with 96 g of O2 what is the total pressure of the container?
Consider 2 Al + 6 HCl → 2 AlCl3 + 3 H2 , the reaction of Al with HCl to produce hydrogen gas. This reaction has a yield of 82.5 percent. How much HCl are needed to produce 14.0 L of H2 at 351 K and 1.11 atm ?
A spherical fat cell has a diameter of 2.47 micrometers. The fat cell contains three copies of the protein azurin. What is the molar concentration of azurin within the fat cell?
Calculate the concentrations of all species in a 1.75 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
Calculate the amount (mL) needed of a 4.0 M phenylmagnesium chloride in THF solution to give 1.5 equivalents based on the amount of starting material used. Starting material needed: 0.58 mmol? mL of 4.0 M phenylmagnesium chloride in THF
What amount of Potassium Chloride forms when 5.25 litres of Chloride gas at 0.95 atm and 293 K reacts with17.0 g of Potassium
Indicate the concentration of each of ion present in the solution formed by mixing
A polyatomic ion containing an unknown element, E, has the chemical formula EO3 with -1 charge, and has 26 total electrons. Provide 3 possible identities of element E
A voltaic cell is constructed by immersing a strip of silver metal in a 1.0 M AgNO3 solution and a strip of cadmium metal in a 1.0 Cd(NO3)2 solution. The circuit is completed by a wire and a salt bridge in the usual way.
Polyethylene is a polymer consisting of only carbon and hydrogen. If 2.300 g of the polymer is burned in oxygen it produces
Water will change from one phase to another as it temperature changes.In it's gaseous form, steam, water has it's highest temperature.Water in this form will not change into liquid unless a certain amount of heat is removed.An example, is the cond..
Quartz, which contains one silicon atom and two oxygen atoms per formula unit, is the second-most-common mineral on Earth after feldspar
Calculate the number of free electrons per cubic meter for copper, assuming that there is one free electron per copper atom. The electrical conductivity and density
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