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if i started with 2000 g of salicylic acid and obtained 2000 g of dry aspirin at the end of the synthesis what would my
for the following reaction kc is 144 at 200 degrees c if 0400 mol of both a and b are placed in a 20 liter container at
a 450 kg girl is standing on a 152 kg plank the plank originally at rest isfree to slide on a frozen lake which is a
tin ii ions react with periodate ions in acid medium to give iodide and tin iv ions 25 ml of a 0250m solution of tinii
suppose your lab instructor inadvertently gave you a sample of khp contaminated with nacl to use in standardizing your
one stereoisomer of a-ocimene a monoterpene used in perfumery is e-37-dimethyl-137-octatriene draw the structure of
two air carts of mass m184 kg and m242 kgare placed on a frictionless track cart 1 is at restinitally and has a spring
calculate the mass in grams of the product formed when 395 of ba completely reacts assume that there is more than
if a satellite is placed in orbit about the earth at adistance 27 times the earths radius what will its velocity be how
a first-order reaction has a half-life of 264 seconds how long will it take for the concentration of the reactant in
water is flowing in a circular pipe with varyingcross-sectional area and at all points the water completely fillsthe
a 95-kg fullback running at 82 ms collides in midairwith a 128-kg defensive tackle moving in the opposite directionboth
a stone is dropped from rest into a well the sound of thesplash is heard exactly 220 s later find the depth of the well
the ph of a solution is prepared by dissolving 030 mol of the weak acid ha in enough water to make 10 liter of solution
reaction of 1-methylcyclopentene above with hbr might in principle lead to a mixture of two alkyl bromide addition
sucrose c12h22o11 is a nonelectrolyte hypochlorous acid hclo is a weak electrolyte and nitric acid hno3 is a strong
a 22 mlong glass tube that is closed at one end is weighted and loweredto the bottom of a freshwater lake when the tube
two parallel inducting wires each carry a current of 50a theforce per unit length between these wires is equal to the
a traveling wave in a string of linear 001kg per meter isdescribed by the wave function y002m sin50radm x -
a cloud bank moving across the ocean at an altitude of 2000m encounters a coastal mountain range as it rises to a
the atmosphere slowly oxidizes hydrocarbons in a number of steps that eventually convert the hydrocarbon into carbon
predict whether the following salts will be acidic basic or neutral when dissolved in water and answer why if the
the average density of a fish can be found by first weighingit in air and then finding the apparent weight of the fish
a student measures the volume of water in a beaker with the smallest divisions of 10 ml as 73 ml a second student pours
a 20 g block of aluminum is at 370 degrees c after 1130calories have been transferred to it what was the original