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a 1500 ml sample of a 150 m solution of cuso4 is mixed with a 1500 ml sample of 300 m koh in a coffee cup calorimeter
a resistor with r 24 k is connected to an ac generator that operates at 60 hz with an amplitude of 41 va find the
how many moles of water are formed when 50 ml of nacl and 50 ml of naoh are combined in a coffee cup calorimeter
a 259 g mass is moving in the x-direction at 566 cms while a 223 g mass is moving in the -x-direction at 416 cms they
the enantiomeric excess of a mixture of two enantiomers is 82 with an excess of the s-enantiomer the optical rotation
a 64 kg freight car is coasting at a speed of 463 ms along a straight track when it strikes a 158 kg stationary freight
an empty 13461 kg coal car is coasting on a level track at 67 ms suddenly 4761 kg of coal is dumped into it from a
why is it not possible to measure the reduction potential of a half-reaction independently that is why must one
suppose the loop in the generator in the figure below is square and the length of each side of the loop is increased by
typically a tennis ball hit during a serve travels away at about 47 ms if the ball is at rest in mid-air when struck
what is the ph at the equivalance point of the titration of 30 ml of 02 m nitrous acid with 01 m
a 40kg child slides down a frictionless playground slide starting from rest at a height of 22 m he leaves the bottom of
an artillery shell of mass 1000 kg lying at rest on the ground accidentally detonates exploding into three pieces of
if 10 ml of 005 m naoh is added to a 20 ml solution of 01 m nano2 and 01 m hno2 what is the ph of the resultant
two loudspeakers in a plane 60 apart are playing the same frequency if you stand 140 in front of the plane of the
the electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 120
assume 40 g of solid nh42feso42 6h20 was used in 1 l of solution to create the solution tested what is the theoretical
a microscope has an objective lens of focal length 540 mm the objective forms an image 159 cm from the lens the focal
when 75 grams of ammonia 90 grams of carbon dioxide and 61 grams of water are reated to form ammonium carbonate whe is
a simple pendulum has a period of 25 sa what is its period if its length is made four times largerb what is its period
between each pair of vertebrae in the spinal column is a cylindrical disc of cartilage typically this disc has a radius
write a balanced equation for the following reaction an aluminum-carbon compound that is 7497 aluminum by mass reacts
a sailboat is heading directly north at a speed of 18 knots 1 knot 0514 ms the wind is blowing towards the east with a
4 a source emits a random number of photons k each time that it is triggered we assume that the pmf of k is pkktheta
a metal sulfide m2co33 has a ksp of 53510-42 what is the molar solubility of this sulfide in water assume the sulfide