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a 240g air track glider is connected to a string hanging over a frictionless pulley a 110g mass hangs from the other
the explosive nitroglycerin decomposes rapidly upon ignition or sudden impact according to the following balanced
a 3440 kg statue is supported by a glass stand the cross-section of the stand is square 015 m to a side before the
a person goes up and down in simple harmonic motion while standing on a trampoline the amplitude is 0125 m and it takes
limonene mw 136 is a pleasant smelling liquid found in lemon and orange peels the bp of limonene is 175 but it
065 of hydrogen chloride is dissolved in water to make 75 of solution what is the of the resulting hydrochloric acid
discuss the possible future consequences to individuals and society as a whole if generation y millennials cannot
the planet mars has a mass of 642e23kg and a raduisfrom its centre to the surfaceof 338e6m how would a 60kg person
the standard enthalpy of formation of gaseous water is -24182 kjmol at 298 k estimate this value at 370 k the molar
when you convert units how do you decide which part of the conversion factor is in the numerator and which is in the
a 31kg block of wood sits on a table a 30g bullet fired horizontally at a speed of 370ms goes completely through the
how would you compare the molar enthalpies of neutralization for a monoprotic acid a diprotic acid and a triprotic acid
you are piloting a spacecraft whose total mass is 1150 kg and attempting to dock with a space station in deep space
if i add amnonia to 1 ml of copper ii sulfate solution and i am observing the mixture turn a darker blue what type of
calculate the ph of a 060 m h2so3 solution that has the stepwise dissociation constants ka115x10-2 and ka2
the density of a 245-m long rod can be described by the linear density function x 121 gm 135x gm2 one end of the rod
a uniform chain with a mass of 147 kg per meter of length is coiled on a table one end is pulled upward at a constant
calculate the ph of a solution that is 0295 m in sodium formate nahco2 and 0205 m in formic acid hco2h the ka of formic
a fire hose 419 cm in diameter is capable of spraying water at a velocity of 163 ms for a continuous horizontal flow of
what volume of 500x10-3 m hno3 is needed to titrate 8000 ml of 500x10-3 caoh2 to the equivalence
sam 683 kg and alice 415 kg stand on an ice rink providing them with a nearly frictionless surface to slide on sam
a 481-kg cannon fires a 183-kg projectile with a speed of 167 ms with respect to the muzzle the cannon is on wheels and
how many milliliters of 00850 m naoh are required to titrate 250 ml of 00720 m hbr to the equivalence
a man with a mass of 713 kg stands up in a 61-kg canoe of length 400 m floating on water he walks from a point 075 m
formic acid hco2h ka18x10-4 is the principal component in the venom of stinging ants what is the molarity of a formic