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191 g h2 is allowed to react with 102 g n2 producing 117 g nh3a what is the theoretical yield for this reaction under
your cars speedometer works in much the same way as its odometer except that it converts the angular speed of the
a 620 g sample of phosphorus was reacted with oxygen to form an oxide with a mass of 1420 g calculate the percent
the odometer mileage gauge of a car tells you the number of miles you have driven but it doesnt count the miles
calculate the density of hydrogen sulfide gas h2s at 58degc and 896 mm hg obtain the density in grams per
a solid uniform marble and a block of ice each with the same mass start from rest at the same height h above the bottom
2-butene-1-thiols is one component of skunk spray how whould you synthesize this substance from methyl 2-buenoate from
an airplane propeller is 218 m in length from tip to tip with mass 970 kg and is rotating at 2600 rpm revmin about an
a light string is wrapped around the outer rim of a solid uniform cylinder of diameter 750 cm that can rotate without
write balanced half-cell reactions for ch2o oxidation and so4 reduction to hs and then add them together to get the
a 10000 kg empty railroad car moving at 3 ms collides with a loaded railroad car weighing 196000 n and couples with it
a 95-kg monkey is hanging by one arm from a branch and is swinging on a vertical circle as an approximation assume a
calculate the concentrations of c2h2o4 c2ho4 c2o42- and h ions in a 019 m oxalic acid solutionc2h2o4c2ho4 hc2o42-
a force of 10n acts on a 5kg mass for a shot 05s duration what is the resulting velocity of the mass if it started with
there is a clever kitchen gadget for drying lettuce leaves after you wash them it consists of a cylindrical container
the volumes450145054507 and 4533ml were used to titrate a 50ml aliquot of a sample would you reject any values at a 90
a 0060 kg tennis ball initially moving at a speed of 10 ms is struck by a racket causing it to rebound in the opposite
a small object with a momentum magnitude 60 kg ms approaches head on a target at rest the small object bounces straight
determine the osmotic pressure of a solution that is 0200 m in glucose and 0100 m in sodium chloride at 370 degrees
a large turntable rotates about a fixed vertical axis making one revolution in 500 s the moment of inertia of the
a scientist wants to make a solution of tribasic sodium phosphate na3po4 for a laboratory experiment how many grams of
a uniform drawbridge must be held at a 365 degree angle above the horizontal to allow ships to pass underneath the
a uniform ladder 658 m long weighing 460 n rests with one end on the ground and the other end against a perfectly
four mirrors are at right angles to one another a light ray is incident on the first at an angle of 60 what is th angle
it was determined from six replicates measurements that a candlewick contained 121 ppm lead and the standard deviation