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what l-monosaccharide would yield an an optically active aldaric acid on oxidation with nitric
a segment of wire carries a current of 20 a along the y-axis from y 20 to y 0 and then along the x axis from x 0 to x
how much heat energy in kilojoules is required to convert 520 g of ice at 180 c to water at 250 c express your answer
you and your lab mate have just finished extracting trans-lycopene from tomatoes your lab partner thinks it would be
audio cd players read the data on the disc at a constant linear speed and thus must vary the discs rotational speed as
the flywheel of an automobile engine is a solid disk with a mass of 85 kg and a radius of 23 cm and is rotating at 3850
what is the nea puck mass m1 415 kg slides on a frictionless table as shown in the figure below the puck is tied to a
the observer on the right sees two final images one image comes directly from the objet the other images comes from the
ethanol c2h5oh has a normal boiling point of 784 oc estimate suniverse at this 500 oc for the process c2h5oh l c2h5oh
for the reaction 3c2h2g---gt c6h6l at 25 c the standard enthalpy change is -631 kj and the standard entropy change is
a trayson crystal torpedo traveling at 240 x 106 ms is lanuched against the zargon b-class warship the trayson torpedo
standard molar entropies so in jkmol are given below each reactant and product in the reaction shown below the standard
an object initially at rest explodes and splits into 3 fragments the first fragment flies off to the west and the
calculate the volume of a sample of nitrogen at -74 c and 13 atm if it occupies a volume of 407 l at 946 c and 1080
this time william tell is shooting at an apple that hangs on a tree the apple is a horizontal distance of 200m away and
after landing a jetliner on a straight runway taxis to a stop at an average velocity of -300kmh if the plane takes 750s
combustion analysis of an unknown compound containing only carbon and hydrogen produced 11385 g of co2 and 05805 g of
a student drops a ball from the top of a tall building the ball takes 31s to reach the ground what was the balls speed
two students stand opposite each other on the rim of the merry-go-round of 6m diameter and rotating at 12 revminute one
write and balance the eguation for a neutralization of sulfuric acid of unknown concentration by sodium hydroxide
what might happen to your calculated naoh molarity if you use tap water rater than deionized water to dissolve the khp
one tablespoon of peanut butter has a mass of 15g it is combusted in a calorimeter whose heat capacity is 130 kjdegrees
a rope attached to a 200kg wood sled pulls the sled up a 200 snow-covered hill a 600kg wood box rides on top of the
two blocks rest on a horizontal frictionless surface top block weighs xkg the bottom box weighs 10kg the surface
addition of 00125 mol hcl to 150 ml of a 0150 m formic acid0100 m sodium formate buffer results in a ph ka of formic