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Concentrated hydrochloric acid is an aqueous solution that is 37.2 % HCl. The density of the solution is 1.19 g/mL. What mass of HCl is contained in 0.683 L of solution? Give your answer as a whole number.
Predict and sketch the likely splitting patterns and relative integrations for them most downfield resonance(s) in the proton NMR spectra of both primary alcohols below. Explain why the two patterns are different.
Using triethylamine with alkyl halides such as iodoethane, 1-bromopropane, 2-bromopropane, describe how steric hindrance affects the rate of an Sn2 reactions. Use specific chemical examples to support the conclusion
1. a mixture of benzoic acid and benzyl alcohol is spotted ona silica gel tlc plate and developed in
Construct a frost circle for imidazole with one 2p orbital on each atom of the ring, and show relative energy of all pi molecular orbitals. fill in the appropriate number of electrons
Problem- The pKb values for bibasic base B are pKb1= 2.10 and pkB2= 7.39, calculate the pH at the flowing points in titration of 50.0mL of a .55M B with .55M HCl.
a 184-mg sample of na2co3 is dissolved in h2o to give 3.00l of solution.nbsp what is the concentration of na in parts
An experiment requires 44.0 of ethylene glycol, a liquid whose density is 1.114 . Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder. What volume of the liquid should he use?
Determines the mass of an unknown gas to be .43 grams at 37 C as well as 720 mm Hg in a 250 mL container. Explain what is the molecular mass of the unknown gas. Use n=(PV/RT) but a little confused on where to proceed.
Critically evaluate your evidence on whether the limonene isolated from orange peels
A beta -emitting radiation source gives 250 units of radiation at a distance of 5.0m.At what distance does the radiation drop to one-tenth its original value
If it is considered that drinking 800 mL of water per day containing an arsenic concentration equal to the US EPA maximum contaminant level (MCL), delivers the dose to an adult that corresponds to a 1 in 10,000 excess risk of lung cancer.
When determining the effective nuclear charge for a 1s electron, Slater's rules dictate that the other 1s electron must have a value of 0.30 not 0.35. Why?
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