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if an aqueous solution of cono32 has a molar absorptivity of 510 lmolcm at 505 nm what will be the absorbance of a 0075
a converging lens of focal length 8490 cm is 198 cm to the left of a diverging lens of focal length -583 cm a coin is
using 250 ml of 0250 m solution of cocl2 and distilled water how would you prepare 100 ml of 0005m solution of cocl2
an elephants legs have a reasonably uniform cross section from top to bottom and they are quite long pivoting high on
a rock is dropped into an abandoned mine and a splash is heard 6 s later assuming that it takes a negligible time for
a pure titanium cube has an edge length of 271in how many titanium atoms does it contain titanium has a density of 450
a boy 110m above the ground in a tree throws a ball for his dog who is standing right below the tree and starts running
a hare and a tortoise compete in a race over a straight course 180 km long the tortoise crawls at a speed of 0190 ms
two acid-base reactions are given below of the three reaction arrows presented in each reaction select the arrow via
a football is thrown with an initial upward velocity component of 125ms and a horizontal velocity component of 170mshow
find the temperature at which kp 400 for the reaction n2o4g ltgt 2no2g given at 25degc for no2g hdegf 3385 kjmol sdeg
a bullet is fired horizontally with an initial velocity of 900 ms at a target located 150 m from the riflehow much time
what volume of a 01 m clo- solution reacts stoichiometrically with a 10 ml solution of 02 m cro2- use the reaction 2
a projectile is fired with an initial speed of 652 m at an angle of 345 above the horizontal on a long flat firing
accelerating charges radiate electromagnetic waves calculate the wavelength of radiation produced by a proton in a
a military helicopter on a training mission is flying horizontally at a speed of 900ms when it accidentally drops a
a speed skater moving across frictionless ice at 81 ms hits a 56m wide patch of rough ice she slows steadily then
a 2700 pf air-gap capacitor is connected to a 75 v battery if a piece of mica is placed between the plates how much
to identify a diatomic gas x2 a researcher carried out the following experiment she weighed an empty 48- bulb then
1285g sample of na2so4 is exposed to the atmosphere and found to gain 0393g in mass what is the percent by mass of
the enthalpy of activation of a first order reaction is 123kjmol the rate constant at 80 c is 173x10-2 s-1 what is the
a 49-n hammer head is stopped from an initial downward velocity of 32 ms in a distance of 045 cm by a nail in a pine
1210 match one of the following metabolic nucleotides to its description nadh atp nad adp fadh2 acetyl coa fad coa a
a 287kg box is pulled at a constant speed by the little engine the box moves a distance of 24 m across the horizontal
a cube made of wood has sides 1520 cm in length with an uncertainty of 005 cm a cylindrical hole is drilled