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aldose a is optically active but treatment with nabh4 give alditol b which is optically inactivealdose a undergoess
a 200 kg dog is running northward at 200 ms while a 500 kg cat is running eastward at 264 ms their 700 kg owner has the
a wire has a diameter of 0200mm and stretches 20 when a force of 628 newtons is applied to it what is the elastic
what is the concentration of ethanol ch3co2h in ppmm that is 1 microgram ethanol per liter of
a thin hollow 0545 kg section of pipe of radius 100 cm startsrolling from rest down a 175 degree incline 560 m longa if
a boat takes 400hours to travel 5km down a river then 500 hoursto return how fast is the river
assuming that the earths orbit around the sun is circular use the appropriate information about the earth to calculate
write the balanced chemical equation for the reaction aqueous sodium hydroxide reacts with aqueous phosphoric acid to
a pulse of light in air is incident on a medium with an indcident angle of 34 degreesnbsp the velocity of light in the
a compound has an empirical formula of ch2o an independent analysis gave a value of 12011g for its molar mass what is
write an equation for the magnetic flux through a coil as afunction of the strength of the magnetic field and the
a 0150-kg glider is moving to the right on a frictionlesshorizontal air track with a speed of 080 ms it has ahead-on
one of the most common causes of inaccurate melting points is too rapid heating of the melting point bath under these
one of james bonds adversaries is standing on a frozen lake there is no friction between his feet and the ice he
an outside loudspeaker considered a small source emits soundwaves with a power output of 75 wa find the intensity 75 m
a what linear speed must an earth satellite have to be in a circular orbit at an altitude of 162 kmb what isthe period
in a billiard ball collision a 5 kg cue ball hits the 5 kg eight-ball with a velocity of 39 ms the cue ball just skims
two 6 m long mirrors stand vertically and are parallel to each other 06 m apartnbsp a ray of light reflects off the
a bicycle is turned upsidedown while its owner repairs a flat tire a friend spins the otherwheel of radius 04 m and
we had done an experiment to determine the solubility of potassium hydrogen tartrate and a question wasa similar
a car traveling at 220 msundergoes a constant deceleration of 190 ms2when the brakes are applied how many revolutions
the drawing shows a rectangular piece of wood the forcesapplied to corners b and d have the same magnitude of 12 n and
for a molecule of fluorous acid the atoms are arranged as hofo what is the formal charge on each of the atoms enter the
the density of ice is 917 kgm3 and the density of sea water is 1025 kgm3 a swimming polar bear climbs onto a piece of
a person of mass m is standing at the edge of a large rotatingdisk the disk is rotating without friction and has