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At equilibrium for the reaction H2 (g) + Br2 (g) is revesible arrow 2HBr (g) in a 10 litre vessel was found to contain 2.5 X 10 to the power -3 mole of H2 , 0.150 mole of HBr and 2.8 x 10 to the power-3 mole of BR2. What is the value of k at this temperature?
Problem- What is the proton concenteration in a solution of 102.7 mM acetic acid (this concentration represents the sum of both the acetic acid and the deprotonated acetate) at pH 5.77 if the pKa of acetic acid is 4.76? Report your answer in micro..
The deposit contained 72.8% Cu, 4.30% Ni, and 22.9% ZN. no other element or compound was released. Calculate the number of coulombs passed through the solution.
Concentrated sodium hydroxide (NaOH) is 19.4 M, has a density of 1.54 g/mL, and is a strong electrolyte. What is the molality of 19.4 M NaOH? Assume NaOH(aq) dissociates completely to produce two moles of ions per mol NaOH
Predict the reactivity of benzaldehyde compared to benzene in a Friedel-Crafts reaction. Benzaldehyde is _______________ reactive than benzene in Friedel-Crafts reactions
Determine Hvap for a compound that has a measured vapor pressure of 24.3 torr at 273 K and 135 torr at 325 K. Determine the Vapor Pressure (in mmHg) of a substance at 29*C whose normal boiling point is 76*C and has a Hvap of 38.7 kJ/mol
In the television series Star Trek, the transporter beam is a device used to "beam down" people from the Starship Enterprise to another location
How many molecules of carbon dioxide are produced when 121 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water?
A 0.204-g sample of a CO3^2- antacid is dissolved with 25.0 mL of 0.0981 M HCl. The hydrochloric acid that is not neutralized by the antacid is titrated to a bromophenol blue endpoint with 5.83 mL of 0.104 NaOH.
Draw the product that is formed when (3R, 6R)-6-chloro-2,3-dimethyloctane reacts with sodium iodide in acetone
Ammonia will react with oxygen in the presence of a copper catalyst to form nitrogen and water. From 164.5 C to 179C, the rate constant increases by a factor of 4.27. What is the activation energy of this oxidation reaction
An X-ray photon of wavelength 0.962nm strikes a surface. The emitted electron has a kinetic energy of 944eV. Find binding energy.
Question- A newspaper reported that the levels of chloroform in the drinking water was measured at 1.7*10^4 ppm. the sample of water that was tested weighed was 9.30 grams. is this a true statement the solublity of the chloroform
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