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dermatan sulfate was treated with dimethyl sulfate the product was hydrolyzed under acidic conditions draw the
a simple pendulum has a mass of 0550 kg and a length of 400 m it is displaced through an angleof 550deg and then
you are given a stock polymer of 421 grams in 250 ml solution about 50 ml of the solution is taken if it is diluted by
a cannon shoots a shell up with an initial vertical velocitycomponent of 500ms and an initial horizontal component of
for the cellar of a new house a hole is dug in theground with vertical sides going down 240m a concrete foundationwall
how many grams of ca metal are produced by the electrolysis of molten cabr2 using a current of 300 amp for 100
0526 g sample of a compound containing only c and h was burned and 178 g of co2 and 0364 g h2o were obtained what is
water flows at 051 ms through a pipe14 cm in diameter when the pressure is175000 pa the pipe the goes up7 m before
a storage tank 25 m hight is filled with gasolinea find the gauge pressure at the bottom of the tankb calculate the
through an enolate ion reaction aldol condensation claisen condensation acetoacetic ester or malonic ester synthesis
flourine in its ionic form carries an excess of 1 negative charge if the element fluorine has an atomic number of 9 and
it is determined by immersing a crown in water that itsvolume is 39in3000225ft3a what would its weight be if it were
you push a block with a constant force of magnitude 125n for adistance of 10 meters the block weighs 10 kg and
determine the ionization energy of a hydrogen atom in kjmol if the electron is in its ground state hints use the
consider 55 l of gas at a pressure of 30 atm in a cylinder with a movable piston the external pressure is changed so
a 40 kg box sliding on a frictionless surface explodes into two equal sized parts one travels due north at 30 ms and
a sled slides down a small ice- covered hillno friction if thesled starts from rest at the top of the hill ts speed at
suppose an object is placed at the edge of a recordplayer the record player has a diameter 300cm and rotatesat 333 rpm
a system gains 3690 j of heat at a constant pressure of 127times 105 pa and its internal energy increases by4100 j what
1- a spaceship of a triangular shape having a length twice itswidth is capable of relativistic speeds how fast would it
a 629 kg astronaut is on a space walk when the tether line tothe shuttle breaks the astronaut is able to throw a 11 kg
a 350 g objectconnected to a spring with a force constant of 200 nm oscillates on a horizontalfrictionless surface with
an airplane is flying in a horizontal circle at a speed of 103 ms the 740 kg pilot does not want the centripetal
a 041 kg soccer ball approaches a player horizontally with a velocity of 17 ms to the north the player strikes the ball