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a solution was prepared by dissolving 0450 g mgso4 fw120363gmol in 0500l of water a 500 ml aliquot of this solution
a 2500 ml sample containing fe3 was treated with 1000 ml of 00367m edta to complex all of the fe3 and leave excess edta
a guitar string with mass density 000021 kgm is l 095 m long on the guitar the string is tuned by adjusting the
a 1 kohm resistor is placed in series with the 05 mh inductor and the 001 f capacitor what is the resonant frequency of
a stone is thrown at an angle of 30the degrees above the horizontal from the top edge of a cliff with an initial speed
a suspicious-looking man runs as fast as he can along a moving sidewalk from one end to the other taking 200 s then
a photon with a wavelength of 370times1013 m strikes a deuteron splitting it into a proton and a neutrona calculate the
two sets of christmas lights are available for set a when one bulb is removed the remaining bulbs remain illuminated
in a hurricane the air density 12kgm3 is blowing over the roof of a house at a speed of 104kmhr what is the lifting
the calcium in a 150 ml sample of water from the ogeechee river at a location near savannah was determined by
when four people with a combined mass of 290 kg sit down in a car they find that the car drops 050 cm lower on its
a 5000-ml solution containing nabr fw102894gmol was treated with excess agno3 to precipitate 02146 g of agbr fw
we are enabling the trans to cis isomerization of e-12-bidenzoylethylene by irradiating the alkene with lightwhy does
a single slit has a width of 18 x 10-6 m and is used to form a diffraction pattern find the angle that locates the 2nd
how much energy is required to vaporize 158g of butane c4h10 at its boiling point if it has hvap is
three moles of an ideal monatomic gas expands at a constant pressure of 210 the volume of the gas changes from
major monogram sent agent p to a different mission agent p will be out of reach for a time major monogram thinks that
the total area of an airplanes wings is 400m2 and its weight is 490kn the density of air is 13kgm3 calculate the
all of the common noble gases are mono atomic and low boiling their boiling points in degc are ne-245 ar-186kr-152 and
in a youngs double-slit experiment the 7th dark fringe is located 0029 m to the side of the central bright fringe on a
consider a steel container that can hold a maximum of 02 m3 of ethanol at anbsp temperature of 30degc if the
if 0208g of an unknown salt of oxalate ion requires 25ml of 002 m mno4- solution calculate the molar mass and write
a motorcycle and 580 kg rider accelerate at 28 ms2 up a ramp inclined 10deg above the horizontala what is the magnitude
combining aqueous solutions of bai2 and na2so4 affords a precipitate of baso4 which ions isare the spectator ions in
a wheel is disconnected from a motor and come to rest from 15000 rpm because of a 100 mmiddotn frictional torque if the