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a bolt comes loose from underneath an elevator that is moving upward at a speed of 45 ms the bolt reaches the bottom of
is it true that ksp is an equilibrium constant that can be used to express quantitatively the extent to which a
a train is moving parallel and adjacent to a highway with a constant speed of 23 ms initially a car is 57 m behind the
a ball is thrown so that its initial vertical and horizontal components of velocity are 60 ms and 15 ms respectively
a match that was just blown out was dropped into a 2 liter bottle and the cap put onexplain how the smoke helped the
two identical point charges are fixed to diagonally opposite corners of a square that is 0495 m on a side each charge
a 10 kg box is being pushed up a slippery ramp at and angle of 10 degrees the coefficient of friction between the box
a river with long straight parallel sides 10 km a part flows from north to south at 3 ms a swimmer enters the river on
what is the solubility of caf2 in a solution that has an equilibrium concnetration of 001 m edta 4- aq ksp caf2 39 x
given 1 liter h2o with a ph of 7 how much acetic acid c2h4o2 with k18 x 10-5 and mw of 6005gmole needs to be added to
when dissolved in your stomach ph1 the concentration of aspirin acetylsalicylic acid ka 30 x 10 -4 is 02 m calculate
a car is driving directly north on the freeway at a speed of 106 kmh and a truck is leaving the freeway driving 91 kmh
during a car crash a 65kg persons head goes from traveling at 50kmh-1 to stationary in 015 sa what is the magnitude of
you are asked to prepare a buffer with a ph of 404 calculate the volumes of 100m solutions of formic acid hcooh and
in order to freeze an ice cream mixture its temperature must be brought below approximately -3degc explain how
a jet with mass m 1300000 kg jet accelerates down the runway for takeoff at 23 ms2what is the net vertical force on
what explanation can you give as to why a dilute aqueous solution of ptcl42- is pale yellow to colorless but a
in order to drink from your glass you must first need to lift it to your mouth as you begin to lift your 020kg glass of
explain the fact that koh is much more soluble in liquid ammonia containing a little water than in pure liquid
a sample of oxygen gas has a volume of 150 ml when its pressure is 0947 atm what will the volume of the gas be at a
the graph above shows the speed of a car traveling in a straight line as a function of time the car accelerates
if 2215 ml of 0100 m sulfuric acid is required to neutralize 100ml of lithium hydroxide solution what is the molar
a cylindrical vessel 16 feet in diameter and 15 in height is constructed to withstand a maximum internalpressure of 500
a hydrochloric acid solution is standardized using 0500g of sodium carbonate na2co3 find the molarity of the acid if
a pair of speakers separated by 0700 m is driven by the same oscillator at a frequency of 655 hz an observer originally