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a tornado in the shape of a cylinder with a diameter of 100 m has an axis of rotation through its center which is along
in the free electron molecular orbital femo theory the electrons in a conjugated molecule are treated as independent
determine the magnitude and direction of the force on a horizontal conductor 10cm long and carrying 25 amperes of
a bicyclist on a horizontal plane starts from rest and begins to pedal the wheel of radius r 0345m has a constant
estimate the thickness of steel density 8 gcm3 needed to stop a proton of momentum 2 gevc then for the same thickness
a concave mirror forms a real image twice as large as the object the object is then moved such that the new real image
an experiment was performed where a quartz-iodine lamp was used to measure the photocurrent in microamperes in
methane ch4 the major component of natural gas burns in air to form co2 and h2o what mass of water is formed in the
teaspoon of salt weighs about 5g and contains 2300mg of sodium determine the amount of sodium that has been actually
the ground state for a single valence electron of a rubidium atom z37 is 5s and its energy is ndash418 ev the valence
which of the following reactives works for separating metalic ions in an aqueous solution that conatins feno33 and
when nh3 is prepared from 28 g n2 and excess h2 the theoretical yield of nh3 is 34 g when this reaction is carried out
many people have 900 mhz phones where this refers to the frequency of radiation it uses to communicatewhat energy does
a lithium atom mass 117 x 10-26 kg is vibrating with simple harmonic motion in a crystal lattice where the force
if the solution is cloudy after precipitation and heating what does this indicate can the solution be filtered at this
if a 400 mg sample is assumed to be pure nacl calculate the millimeters of 01m agno3 needed to precipitate it
because of the movable plunger on a syringe the gas inside the syringe can be held at a constant pressure of 100 atm
your sofa wont fit through the door of your new sixth-floor apartment so you use a 108kw motor to lift the 844kg sofa
a calculate the molar concentration of commercial hydrochloric acid if the solution contains 37 for mass in hcl and if
a solute with mw 671 gmol is prepared in an aqueous solution in which the molality is 308 m the solution density is
indiana jones is pushing back a 305 kg box of treasure which slides 46 m down a 25deg incline and kept from
a capacitor is connected to an ac generator that has a frequency of 34 khz and produces a rms voltage of 19 v the rms
calculate the molar concentration of hcl if 25 ml of the hcl solution quantitatively react with 1958 ml of an 01062 m
a solid uniform 325 kg cylinder 650 cm in diameter and 124 cm long is connected to a 15kg weight over two massless