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a student dissolved 01319g of an unknown diprotic acid in 100ml of distilled water the acid was then titrated with
the intensity level of 3929 harmonicas in a harmonica band is 7003 db compute the intensity level generated by one
assuming a soap to be pure sodium stearate give an equation for its reaction with ca2 in hard
the problem in a reaction 2a b 2c the initial concentrations for ab and c are all 40m if the ka 15 x 106 what are
a typical wall outlet voltage is 120 volts in the united states personal mp3 players require much smaller voltages
as a dilligent physics student you carry out physics experiments at every opportunity at this opportunity you carry a
a bucket of water of mass 153kg is suspended by a rope wrapped around a windlass that is a solid cylinder with diameter
the mass of the blue puck shown below is 250 greater than the mass of the green puck before colliding the pucks
a uniform cylindrical turntable of radius 150 m and mass 292 kg rotates counterclockwise in a horizontal plane with an
the coefficient of thermal expansion describes how the size of an object changes with a change in temperature
a child slides across a floor in a pair of rubber-soled shoes the frictional force acting on each foot is 200 n the
a series rlc circuit has components with r 50 ohms l 15 hz and c 20 uf a what is the current in the circuit expressed
the wavelength of visible light ranges from 400 to 700part a- find the ranges of this lights frequencypart b- find the
calculate the amount of heat released in the complete combustion of 817 grams of al to form al2o3s at 25 degrees
a flint glass plate n 166 rests on the bottom of an aquarium tank the plate is 1100 cm thick vertical dimension and
the top of a swimming pool is at ground level if the pool is 246 m deep how far below ground level does the bottom of
the frequency of a steam train whistle as it approaches you is 532hz after it passes you its frequency is measured as
how much heat is released when 75 g of octane is burned completely if the enthalpy of combustion is -5500 kjmol c8h18
a convex mirror has a focal length of magnitude 623 cm a if the image is virtual what is the object location for which
the simple harmonic motion of a 300 g mass on a spring is described by y 20 cm sin12566t at t 18 s what is the total
when determining the major contributor for a resonance structure is it better to have a carbocation positive charge on
a concave mirror has a focal length of 607 cm a what is its radius of curvature cm b locate the image when the object
in the reaction 2a----gtxy the initial concentration are all 0600m if the equilibrium constant is 1200000 what are the
an 810 n box is pulled 220 m up a 30deg incline by an applied force of 102 n that points upward parallel to the incline
while looking at her image in a cosmetic mirror dina notes that her face is highly magnified when she is close to the