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potassium hydrogen phthalate is a monoprotic acid dihydrogen phthalateh2c8h4o4 is a diprotic acid an analyte sample
romeo770kg entertains juliet550kg by playing his guitar from the rear of heir boat at rest in still water 270 m away
a ray of light travels through 3 materials whose surfaces are parallel to each other the refracted rays but not the
a coin rests on the bottom of a beaker filled with an unknown liquid a ray of light from the coin travels to the
find the equation for work of a reversible isothermal compression of 1mol of a gas in a piston cylinder assembly if the
a calculate the work done in joules when 1 mole of ideal gas at 2 bar pressure and 300 k is expanded isothermally to a
the resistor in a series rcl circuit has a resistance of 970 while the rms voltage of the generator is 600 v at
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in an ultrahigh vacuum system with typical pressures lower than 107 pascal the pressure is measured to be 100 10-10
a student is reading a lecture written on a blackboard the lenses in her eyes have a refractive power of 5456 diopters
1 if 200 ml of a 040 m naoh solution is added to 650 ml of a buffer solution that contains 010 m hcn and 010 m nacn
your cars fan belt turns a pulley at 300 revs when you step on the gas for 125s the rate increases steadily to 560
a c35 pf parallel plate capacitor has plates of area a402cm2 what is the electric field between its plates when it is
a flat sheet of ice n 1309 has a thickness of 22 cm it is on top of a flat sheet of crystalline quartz n 1544 that
the refractive indices of materials a and b have a ratio of nanb 179 the speed of light in material a is 107 x 108 ms
a refracting telescope has an angular magnification of -9200 the length of the barrel is 1100 m what are the focal
calculate the amount of khp fw 204223 gmole required to completely react with 25 ml of 01 m
a stargazer has an astronomical telescope with an objective whose focal length is 185 cm and an eyepiece whose focal
the ac generator in a series rcl circuit has an rms voltage of 813 v the values of the resistance capacitive reactance
calculate the volume of 50 wt naoh solution needed to be diluted to 1 liter in order to make 1 liter of 01 m naoh
a man enters a tall tower needing to know its height he notes that a long pendulum extends from the ceiling almost to
for the first-order reaction below the initial concentration of a is 0240 m if the concentration of a decreases to
a quarter diameter 240 cm is held at arms length 640 cm the sun has a diameter of 139 x 109 m and is 150 x 1011 m from
a 680-o resistor is connected in series with a 760-microf capacitor and a generator having a maximum voltage of 120 102
1 the string in a yo-yo is wound around an axle of radius 0529 cm the yo-yo has both rotational and translational