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explain the resolution limit of a microscope is roughly equal to the wavelength of light utilized in producing the
explain the half life of 42k is 125 h explain how much will remain after 83 h if the original sample contained 256 g of
explain at what temperature will the root-mean-square speed urms for neon gas ne the same as the root-mean-square speed
after 32 hours 164 of the preliminary amount of a particular radioactive nuclide remains unchanged explain what is the
depict the formula of the protein leucine from previous to it is oxidized to what it turns into after being oxidized on
explain which alcohol would you expect to be more water soluble more gml or grams of the alcohol could dissolve in say
compute how many grams of aluminum sulfate are required to pre pare 530x10 2ml of a 02450 m aluminum sulfate
presume that a membrane channel obeys the concerted allosteric model with hill coefficient 25 in the presence of 12 mum
the trigonal bipyramidal composite feco4pme3 exhibits a raman spectrum with three strong absorptions at 2051 cm-1 1967
a buffer is ready by mixing 200ml of 0450 m hcl and 0500 l of 0400 m sodium acetate explain what is the ph ka of
given the subsequent relationship k ce-changegrt or k e-changegrt where c is a unit of proportionality constant
explain how the pre- exponential term can play a large or small factor on its influence on the rate constant based on
a student carry out an experiment in which ii chloride hexahydrate reacts with ammonia to produce hexamminenickle ii
suppose a 50ml sample of vinegar was titrated with 72ml of 055 m naohaq if the density of the vinegar solution is 00
presume that we have a mixture of n2 g and o2 g of unknown composition whose total pressure is 385torr if all the
in the lab with chromic acid it is sometimes complicated to control the products from the oxidation of a primary
the hydrogen produced in a reaction is collected over water as well as occupies 425ml at 18 ordmc and 742torr a explain
explain the ozone molecules in the upper atmosphere stratosphere absorb much of the uv radiation from the sun explain
a 20 meter long pendulum is released from rest when the support string is at an angle of 25o evaluate the speed of the
betty weighs 408 newton she is sitting on a playground swing seat that hangs 041 meter above the ground in its rest
at the equator near the surface of earth the magnetic field is approximately 420 microt northward and the electric
sodium ions na move at 0853 ms through a bloodstream in the arm of a person standing near a large magnet the magnetic
a 0400 kilogram pendulum bob passes through the lowest part of its path at a speed of 360 msa find the tension in the
a car is initially driving northeast at a constant speed of 120 m h when it reverses its directions in 80 s without
a comet is in an elliptical orbit around the sun its closest approach to the sun is a distance of 48 x 1010 meter