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a cubic box of volume 42 multiplied by 10-2 m3 is filled with air at atmospheric pressure at 20degc the box is closed
derive an expression for the elution time of charged solute undergoing electrophoresis in a ce unit with capillary
what volume of antifreeze c2h4oh2 mw 62068 gmol and density of 11132 gml and what volume of water must be mixed
the top of the spring is connected to a string of mass per unit length of 20 103 held under a tension of 80 n the
quicklime cao is produced by the thermal decomposition of calcium carbonate calculate the volume of co2 at stp produced
a harpsichord string of length 132 m and linear mass density 240 mgm vibrates at a fundamental frequency of 457 hz what
what volume of 0455 m koh must be diluted with water to prepare 250 l of a solution having a ph of
when the tension in a cord is 774 n the wave speed is 132 ms what is the linear mass density of the
a proton is confined within an atomic nucleus of diameter 35 fm estimate the smallest range of speeds you might find
calculate the sulfide ion concentration that is required to just start precipitation of cos from a solution that is 010
a block with mass m 64 kg is hung from a vertical spring when the mass hangs in equilibrium the spring stretches x 027
as the wood flap rotates at 659radsec it hits a switch and turns on a heater the heater warms the bottom of a 20 m rod
estimate the size of sensitive cells of the human eye provided that the entrance pupil of the eye about 1 mm in
how many structural isomers ignoring any cistrans or stereroisomers are there given the following chemical formula
when an immersion glass thermometer is used to measure the temperature of a liquid the temperature reading will be
a gas is allowed to expand at constant pressure until it reaches its final volume it is then cooled at constant volume
if 268 g of sodium sulfide reacts with 106 g of copper i nitrate how much of the product containing the transition
an 2705kg truck is stopped at a red light a 1903kg car that was moving 91ms bumps into the truck and they stick
ethylene glycol ch2ohch2oh an important ingredient in automobile antifreeze is much more soluble in water than octyl
hexagonal close-packed structure consider the first brillouin zone of a crystal with a simple hexagonal lattice in
how many grams of ethanol molar mass 4607 gmol are in a 275 ml sample of a solution which is 20 ethanol by volume in
if you set up a standing wave of 6 segments how many waves will occur if you triple your frequency how many wavelengths
ball 1 with a mass of 120g and traveling at 15ms collides head on with ball 2 which has a mass of 330g and is
at stp 500 ml of a gas weighs 0301g and is found to be 474 sulfur and 526 chlorine what is the molecular formula of the
a spring-loaded cannon is able to throw a 20-kg pumpkin 10 m vertically upward when the spring was initially compressed