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a sample serum of mass 25g is cooled from 290k to 275k at a constant pressure by the extraction of 12j of energy as
3 moles of an ideal gas are compressed isothermally from 60 to 20l using constant external pressure of 5 atm calculate
a charge of -402 mc is fixed inplace from a horizontal distance of 0958 m a particle of mass927 x 10-5kg and charge
how density affect if some of the water in the graduated cylinder splashes out when the sample is dropped into the
two bumper cars on a park ride collide elastically as oneapproaches from the rear one had a mass of m1 437 kgand the
draw the major organic product of the regioselective reaction of 2-methyl-2-pentene with cl2 in h2o ignore
draw a structural formula of an alkene or alkenes if more than one that undergo acid-catalyzed hydration and without
a ski tow operates on a 150degrees slope of lenth 300m the rope moves at 120kmh and provides power for 50 riders at
draw the structures of the two carbocation intermediates that might form during the reaction of the alkene below with
a charged isolated metal sphere of diameter 13 cm has apotential of 7500 v relative to v 0 at infinity calculate the
how many bricks must be incorporated into the interior of the house to provide the same total heat capacity as 1500 gal
a 0650 kg projectile is launched from the edge of acliff with an initial kinetic energy of 1650 j and at itshighest
a given a 400mg sample of thorium 231 decomposes via beta emission with a half life of 255hours how long would it
a parallel-plate air-filled capacitor having area 51cm2and plate spacing 10 mm is charged to a potential differenceof
one mole of ideal gas undergoes a three-step process in step one the gas expands isothermally and reversibly from state
a total of 200 rm mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 106 g
90 kw of power is delivered to the other side of a city by apair of power lines with the voltage difference of 139528 v
1998 scientists using a special type of electron microscope were able to measure the force needed to break a single
bloom booster a fertilizer used for enhancing the blooms of flowering plants is labeled 15-25-10 mass nitrogen- mass
how many grams of magnesium sulfate heptahydrate mgso4 x 7h20 are needed to prepare 400ml of a 0450m
a new method for the determination of mercury in oyster tissue is compared with nist srm 1566b oyster tissue the nist
determine how many grams of steam at temperature t steam 100 degrees is required to prepare 1 gram of water at stp
tarzan tries to cross a river by swinging from one bank to theother on a vine that is 10m long his speed at the bottom
acharge of q 750muc is located in an electric field the x andy components of the electric field are ex 600 103 nc and
what would you expect to be the product of the reaction between methyl salicylate and ammonia solution instead of