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how many picomoles per microliter of single-stranded dna are in a 300 ugml sample with 1000 base
an assay needs 50 ml of an 8-mm te buffer the stock 20-mm te buffer is available how much of the stock buffer should be
1 describe the reaction of a weak acid and a strong base in general what will the final ph be when the reaction between
a sample of gas occupies a volume of 640 ml as it expands it does 1456 j of work on its surroundings at a constant
the wavelength of an electron beam is measured to be 9000 nm what is the velocity of the electronsin the same beam the
sotalol is a drug with beta-blocker and antiarrhythmic action the kinetics of the metabolism of the drug were followed
1 name at least three atoms or ion has the same electron configuration as a phosphide ion2 name at least three atoms or
inside a calorimeter is 100 g of warer at 398 celcius a 10 g object at 50 celcius is placed inside of a calorimeter
answer the following questionsstate two industrial applications of hydrogenwrite the balanced equation for complete
a 560 -g sample of a weak acid withnbspka13times10-4 was combined with 480 ml of 580 m naoh and the resulting solution
we are working on acidbase titration problems here are some sample problemswrite the products and balance the following
please discuss possible second and third order effects of a chemical or physical
explain the difference between a tertiary alcohol and a tertiary amine following your explanation include a hand-drawn
write balanced chemical equations for these metallurgical processes enter the species with coefficients but if the
my approach to this was deltag deltah-tdeltas but i couldnt find delta delta f g for liquid n is it safe to assume that
how many milliliters of an aqueous solution of 0214 m chromiumiii acetate is needed to obtain 193 grams of the
help determining order of basicity of amines possibly could be explained using substitution resonance and hybridization
ph3nbspnbspcro42- h2o -----gt croh3nbspnbspp 2oh-in the above reaction the oxidation state ofnbspchromiumnbspchanges
zinc selenide is a source of industrial zinc if you have 1000 g of zine selenide what is the maximum mass of zinc that
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according to the label on a soft drink one serving provides 115 kcal if all of this energy is used to lift 10 kg blocks
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3302 ml of a solution of the acid h2c2o4 is titrated and 7350 ml of 04500-m naoh is required to reach the equivalence
calculate the volume ofnbsp0340-m naoh solution needed to completely neutralizenbsp886nbspml of anbsp0870-m solution of