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what are the concentrations of all the solute species in a 10 m solution of hydrogen peroxide h2o2 for h2o2 ka 18 x
a copper wire is stretched uniformly maintaining constantdensity and resistivity so that it is ten times its
an elevator has a mass of 1200kg and has cables which arerated at no more than 982 e04 n of tension the elevator
a 460 g chunk of iron is removed from an oven and plunged into 370 g water in an insulated container the temperature of
a potters wheel moves from rest to an angular speed of022 revs in 30 s find its angular acceleration in radians per
a 100 kg mass is placed on a 250 degree incline and frictionkeeps it from sliding the coefficient of static friction
in the following amino acid sequences what amino acids will interact if the peptide forms an alpha-helix do you expect
a person holds a book 25 cm in front of the effective lens ofher eye the print in the book is 15mm high if the
another method to gain insight into the primary amino acid sequence is analyzing c-terminus amino acids in the
why do flares contain magnesium powder rather than a solid piece of magnesium-smaller particles have a lower energy of
an rlc circuit is used to tune a radio into an fm stationbroadcasting at 885 mhz theresistance in the circuit is 120
consult the spectrochemical series to determine which of the following species would absorb light of the shortest
one type of slingshot can be made from a length of rope and aleather pocket for holding the stone the stone can be
why is methyl -m- nitrobenzoate formed in the reaction instead of the ortho or para isomers in the methyl benzoate and
a pendulum clock with a pendulum made of brass isdesignd to keep accurate at temperature 20 dgreecelcius if the clock
when 80 g of magnesium was reacted with excess dilute sulphuric acid 20 g of magnesium sulphate was obtained what is
a rectangular coil consists of n100 closely wrapped turns and hasdimensions a0400m and b0300m the coil is hinged along
a doctor has ordered that a patient be giving 25 grams of glucose which available in a concentration of 5500 grams
a 20 kg projectile is fired at an angle of 60 degrees abovehorizontal with a speed of 80 ms at the highest point of
when 2-methylpropene was treated with aqueous sulfuric acid tert-butyl alcohol was obtained draw a step-by-step
anelastic conducting material is stretched into a circular loop of150 cm radius it is placed with itsplane
in order to live we must have a constant supply of oxygen to our cells we get this oxygen by breathing in air the
at 250degc a sample of xe gas occupies 508 ml in a piston-cylider apparatus when the external pressure is 809 torr at
suppose a star the size of our sun but of mass 80times as great were rotating at a speed of 10 revolution every11 days
a softball player swings a bat accelerating it from rest to35 revs in a time of 020 s approximate the bat as a 22 kg