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a glass tube barometer of uniform cross-sectional area has a bit of air trapped above the mercury the inside length of
donald duck and his nephews manage to sink uncle scrooges yacht m 3781 kg which is made of steel 7850 kgm3 in
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
how do you know if the bond is ionic polar covalent and non covalent by looking at the molecular
an lc circuit consists of a capacitor c 174 microf and an inductor l 532 mh the capacitor is fully charged using a
consider the fructose-16-bisphosphate rxn from gluconeogenesis what is the free energy change if the ratio of the
the length of a beam increases by 135mm when its temperature is raised from 3783oc to 9634 oc what is the length of the
1 in fractional distillation liquid can be seen running from the bottom of the distillation column back into the
a cup of water is heated with a heating coil that delivers 3275w of heat in 618 minute the temperature of the water
a 429 g bullet moving at 6865 ms penetrates a tree trunk to a depth of 449 cm assuming that the frictional force is
if the uncertainty in velocity of an electron is 42000 ms what is the minimum uncertainty in its
you archimedes suspect that the kings crown is not solid gold but is instead gold-plated lead to test your theory you
formulate the double-pendulum problem illustrated by fig 14 in terms of the hamiltonian and hamiltonians equations of
the uncertainty in the position of an electron along an x axis is given as 56 pm which is about equal to the radius of
correct the second part of each of the following names type your answer using the format copperii chloride for cucl2
a rotating door is made from four rectangular glass panes as shown in the figure the mass of each pane is 551 kg a