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a student prepared a stock solution of the assigned compound by weighing 2345 grams of cuno32 6h20 and diluting it with
a string with a length of 05 meters is vibrating with a frequency of 100 hz and it forms a standing wave at the
sulfur trioxide dissolves in water producing h2so4 how much sulfuric acid can be produced from 100 ml of water d100gml
if the coefficient of static friction between your coffee cup and the horizontal dashboard of your car is micros 0800
suppose that you are traveling on board a spacecraft that is moving with respect to the earth at a speed of 0976c you
the combustion of 405 mg of a compound containing c h and o produces 1100 mg of co2 and 225 mg of h20 the molar mass of
the equation of a transverse wave traveling along a very long string is y 720 sin00782x 362t where x and y are
a star is estimated to have a mass of 2x10 to 36 kg assuming it to be a sphere of average radius 70x 10 to 5 km
in the figure a string tied to a sinusoidal oscillator at p and running over a support at q is stretched by a block of
the rate constant for the decomposition of ch3cho is 00105 dm3mol at 700 k if the activation energy for this reaction
a nylon guitar string has a linear density of 556 gm and is under a tension of 161 n the fixed supports are d 744 cm
mars rotates about its axis once every 88 642 s a spacecraft comes into the solar system and heads directly toward mars
how many grams of sodium hydrogen phosphate and sodium dihydrogen phosphate are needed to make 300 ml of a 012 m
a 100 kg mass starts at the top of an incline that is 80 m long and makes an angle of 400 above the horizontal as it
a hot air balloon has a volume of 200 times 103 m3 when fully inflated and the air inside the balloon is always at
what is the ph of a buffer if 23 grams of sodium hydrogen phosphate and 10 g of sodium dihydrogen phosphate are added
a series rlc circuit is driven by a generator at frequency 1050 hz the inductance is 90mh the capacitance is 5 micro
a ladder of length l 22 m and mass m 140 kg rests on a floor with coefficient of static friction s 053 assume the
a flask contains 200 ml of 01m phosphate buffer that has a ph of 70 what volume of 01m naoh should be added to increase
a 0157-kg particle undergoes simple harmonic motion along the horizontal x-axis between the points x1 -0253 m and x2
mercury is often used as an expansion medium in a thermometer the mercury sits in a bulb on the bottom of the
you are assigned the design of a cylindrical pressurized water tank for a future colony on mars where the acceleration
a container of methane gas initially at 400 atm is heated to a temperature of 1500c at which the pressure is 450 atm
a 26-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling the elastic
a spring stretches by 00240 m when a 340-kg object is suspended from its end how much mass should be attached to this