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045 g of hydrogen chloride hcl is dissolved in water to make 45 l of solution what is theph of the resulting
an automobile traveling at 110 along a straight level road accelerates to 720 in 510 what is the magnitude of the autos
a crate is sliding down a ramp that is inclined at an angle of 252deg above the horizontal the coefficient of kinetic
if ph 64 calculate the molar concentration of h aq in the solution if ph 64 calculate the molar concentration of
suppose you pour 19 g of water into 10 litres jar and seal it tightly you then place the jar into an oven and heat it
how much heat is required to raise the temperature of 485g of water from its melting point to its boiling point express
what is the first step in an aldol condensation reaction a elimination of hydroxide b bromination of carbonyl compound
for gas storage thick metal cylinders whith an internal volume of 25 litres are used typical cylinders can safely
calculate the work done in joules by a chemical reaction if the volume increases from 31 l to 35 l against a constant
three 30 mc charges are at the three concerns of a square 050m on a side the last concern is occupied by a -30mc charge
a pump is used to empty a 4800 l wading pool the water exits the 30-cm-diameter hose at a speed of 20 mshow long will
if this arsenic is present as arsenate aso43- what mass of sodium arsenate would be present in a 110l sample of
the second harmonic of an open organ pipe has the same frequency as the first overtone of a closed pipe if the
a charge of -80 nc is uniformly distributed around a ring of radius 13 m that lies in the yz plane with its center at
an eagle is flying horizontally at 48 ms with a fish in its claws it accidentally drops the fishhow much time passes
suppose that a plane is traveling with a horizontal velocity of vx 238 ms at an altitude of y 1053 m the directions
a projectile is fired at an upward angle of 45deg from the top of a 312 m cliff with a speed of 220 ms what will be its
venus has a mass of 486x1024 kg and a radius of 605x106 ma what is the acceleration due to gravity on venusb how much
a rocket is fired at a speed of 750 ms from ground level at an angle of 565deg above the horizontal the rocket is fired
a pendulum is made by suspending a 1kg meter stick through a pivot locaed 3m from one end the moment of inertia of a
a home run is hit such a way that the baseball just clears a wall 23 m high located 113 m from home plate the ball is
what is the average of the velocity squared in pure oxygen o2 at standard pressure 1 bar and concentration 0001 moll
a bowling ball mass 72 kg radius 012 m and a billiard ball mass 045 kg radius 0028 m may each be treated as uniform
when a parachute opens the air exerts a large drag force on it this upward force is initially greater than the weight
a rock climber throws a small first aid kit to another climber who is higher up the mountain the initial velocity of