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a 350-microf capacitor is fully charged by being connected to a 60-v battery the fully charged capacitor is then
a solution containing 8330 g of an unknown protein in 1700 ml of solution has an osmotic pressure of 520 mmhg at 25 c
during a solar eclipse the moon earth and sun all lie on the same line with the moon between the earth and the sun what
recent studies have raised concern about heading in youth soccer ie hitting the ball with the head a soccer player
consider a simple model for the interior of the earth there is a spherical iron core with constant mass density 0 and
a container holds 23 mol of gas the total average kinetic energy of the gas molecules in the container is equal to the
during an all-night cram session a student heats up a 0668 liter 0668 x 10- 3 m3 glass pyrex beaker of cold coffee
for the reaction of the ammonium ion with nitrous acid the net reaction is nh4 aq hno2aq yields n2g 2h2o l h aq if
a particle with charge q moves in a circular orbit around the origin with radius a in the xy-plane with constant
a 2350 ml sample of urine has a mass of 2408 grams the specific gravity of the sample to three significant digits
a f 5 cm thin lens is to the left of a concave spherical mirror with a radius of curvature of magnitude 8 cm the lens
mercury is poured into the opening end of a j-shaped glass tube which is closed at the short end trapping air in that
donald duck and his nephews manage to sink uncle scrooges yacht m 3781 kg which is made of steel 7850 kgm3 in
a glass tube barometer of uniform cross-sectional area has a bit of air trapped above the mercury the inside length of
what is the osmotic pressure at 22 c of an aqueous solution that contains 435 g of urea nh2conh2 dissolved in 100 ml of
integrated circuits are manufactured in vacuum chambers in which the air pressure is 700x10-11 mm of hgwhat is the
convex mirrors are often used in sideview mirrors on cars many such mirrorsdisplay the warning ldquoobjects in mirror
three moles of an ideal monatomic gas are at a temperature of 393 k then 2568 j of heat is added to the gas and 631 j
a solution of 250 g of a compound dissolved in 25 g g of benzene freezes at 43 c calculate the molar mass of the
two beams of planar wavefront 633-nm coherent light whose directions are 120o apart strike a photographic emulsion of
how many grams of urea nh2conh2 must be added to 450 g of water to give a solution with a vapor pressure 250 mmhg less
space probes require power systems that can remain functional over long periods of time one innovative design for a
a cube of ice is taken from the freezer at -85degc and placed in a 104 g aluminum calorimeter filled with 309 g of
earths radius is 638 times 106 m and it completes one revolution every day what is the tangential speed of a person