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a solenoid is to have an inductance of 0274 mh a cross-sectional area of 573 10-4 m2 and a length of 379 cma how many
consider the titration of 800ml of 0100m baoh02 by 0400 m hcl calculate ph of the resulting solution after 200ml of hcl
what volumes of 050m hno2 and 050m nano2 must be mixed to prepare 100l of a solution buffered at
a hypothetical diatomic molecule is composed of two identical atoms of mass 12 u if the wavelength emitted when a l 2
a buffer is prepared by dissolving honh2 and honh3no3 in some water write equation to show how this buffer neutralizes
a current of 60 a is drawn from the battery in the figure shown below how much is the voltage of the battery vab in
carbonate buffers are important in regulating the ph of blood at 740 if the carbonic acid concentration in a sample of
what is the concentration of hydroxide ions in pure water at 30 degrees if kw at this temperature is 147 x
an electron has a kinetic energy of 600 10-17 j it moves on a circular path that is perpendicular to a uniform magnetic
for an enzyme that displays michaelis-menten kinetics what is the reaction velocity vas a percentage of vmax observed
a student suspends two identical conductive spheres m 030g from two equally long nylon threads each 25 cm long he
calculate the nuclear binding energy for 5525 mn in megaelectronvolts per nucleon
a converging lens produces a real image magnified 3 times that of an object if the object is placed at 15 cm from the
a proton rest mass 9383 mevc2 is confined to a small region of space 20 nm wide what is the uncertainty on its speed
write a balanced redox equation for the seperation of cu2 from the other qual 1 cations the other cations are na k
compare the structures of amino acids dipeptides polypeptides and proteins which has the largest molecular mass the
a solid wire with a radius of 300 mm carries a current of 00530 a assume the current is uniformly distributed in the
the restriction enzyme ssti cuts phage dna at positions 24472 and 25877 draw a picture of the gel you will see if it is
an electron is moving in a concentric circular orbit inside a solenoid of radius 489 cm in such a manner that it grazes
calculate the amount of heat required to raise the temperature of 2500 g of water from 25 c to 100c calculate the
a fossil was analyzed and determined to have a carbon-14 level that is 420 that of living organisms how old is the
at 200degc a mainly silicon resistor has a resistance of 275 and a tungsten resistor has a resistance of 752 at this
lasik eye surgery uses pulses of laser light to shave off tissue from the cornea reshaping it a typical lasik laser
a uniform magnetic field in a region of space changes at a rate of 5000e-3 ts what is the strength of the induced
when solid ammonium chloride nh4cl is added to excess water a solution forms and the temperature of the system