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two 100 n forces pull on a 50kg mass one of the forces pulls to the right and the other pulls 90 degrees from the first
an airboat with mass 436 102 kg including the passenger has an engine that produces a net horizontal force of 824 102 n
suppose the pilot starting again from rest opens the throttle partway at a constant acceleration the airboat then
what volume of a concentrated hcl which is 360 hcl by mass and has a density of 1179gml should be used to make 510 l
when 4-methylcyclohexene reacts with water and acid a mixture of 4-methylcyclohexanol and 3-methylcyclohexanol is
a 77-kg man standing on a scale in an elevator notes that as the elevator rises the scale reads 841 n what is the
draw the structure of the major organic product you would expect from the reaction of 1-bromopropane with
when the ph of a solution is 6 the concentration of hydronium ions is 0000001m assume that the volume of this initial
a football punter accelerates a football from rest to a speed of 13 ms during the time in which his toe is in contact
how many kilocalories are needed to vaporize 200g of h2ol also how many kilocalories are released when 200g of h2og is
calculate the energy levels of the pi-network in octatetraene c8h10 using the particle in the box model to calculate
explain why during the recrystallization of p-dibromobenzene the turbity of the hot solution was used as an indicator
the density of a 30-m long rod can be described by the linear density function x 125 gm 130x gm2 one end of the rod
the decomposition of hydrogen iodide on finely divided gold 150 c is zero enter with respect to hi the rate defined
1 for the reaction 2noclg 2nog cl2 gthe value of kp at 50 degrees celsius is 42 x 10-4 atm what is the value of kc at
if you know the balanced equtaion of a reation and the cange in concentration in one of the products or reactents you
give a balanced equation for the reaction of b3n3h6 with 3 molecules of h2o and clearly draw the
a skateboarder shoots off a ramp with a velocity of 57 ms directed at an angle of 52deg above the horizontal the end of
p516 calculate s surroundings and s total for the processes described in parts a and b of problem p532 which of the
draw a glycerophospholipid made up of the components glycerol phosphoric acid choline linoleic acid and linolenic
in each of the following pairs which compound would you expect to have the higher standard molar entropy and whya c2h2g
1 how to calculate what percentage of base is recovered2 how to calculate what percentage of neutral is recoveredbase
a 500-kg boy runs at a speed of 100 ms and jumps onto a cart as shown in the figure the cart is initially at rest if
determine the concentration of a solition prepared by diluting 25ml of a stock 0188m cano32 solution to
suppose co2 g and co g are brought into contact into cs at 1000k where the partial pressures of carbon dioxide and