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An earth-like planet was detected 1.295 parsecs away in orbit around the red dwarf Proxima Centauri. How many years would it take a spaceship going at 82,020 mph (the speed of Pioneer 10) to get there? What skills and constants used to solve the problem in question 2 are relevant to a chemistry class, and which are not? Explain briefly why you think they are relevant or irrelevant.
Reactions of alcohols with hydrogen halides yield the important class of compound known as alky halides. Reactivity towards the hydrogen halides with an alcohol decreases
if you dissolve caffeine in acid a proton goes onto one of thenitrogens to give the conjugate acid of caffeinecaffeineh
Calculate the osmotic pressure (in torr) of 6.00 L of an aqueous 0.896 M solution at 30.0 deg C, if the solute concerned is totally ionized into three ions (e.g., it could be Na2SO4 or MgCl2)
Given the initial rate data for the reaction A + B ? C, determine the rate law for the reaction.
Explain what simple test can be performed to show that 3-chlorobenzoic acid is not eluted from the chromatography column? TLC possibly
A solution is made by dissolving 25.7 g of NaOH in approximately 450 mL of water in a volumetric flask. The solution becomes quite warm, but after it is allowed to return to room temperature, water is added to total 500 mL of solution
Nitrogen oxides undergo many interesting reactions in the environment and in industry. Given the following information, calculate capital deltaH for the overall equation
Friedel-Crafts alkylation and acylation reactions won't work because of the deactivating nitro group present on the benzene ring. Propose an alternate pathway to the ketone product desired
A second sample for analysis was prepared by pipeting 5.00 mL of the standard Mn solution and 50.0 mL of the steel sample into a 100.0 mL volumetric flask and diluting to 100.0 mL. The light absorbed by this sample was indicated by an absorbance o..
At a fixed temperature, equal moles of N2 (g) and F2 (g) are mixed in a constant pressure container (the volume of the container changes in order to keep the pressure at a constant value). The N2 (g) and F2 (g) are allowed to react, producing NF3 ..
A solution of NaOH with pH 13.68 requires 35.00 ml of 0.128 M HClO4 to reach the equivalence point. What is the volume of the NaOH solution
Hello everyone, I was wondering if someone could assist me in this problem. The problems says "We have 500 mL of a solution with Ba^(2+)=0.10M. How many grams of LiF must be added to begin precipitation of BaF2
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