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a plate of glass with parallel faces having a refractive index of 146 is resting on the surface of water in a tank a
write the possible polymeric structure formed between sebacoyl chloride and butane-14-diamine what is the appropriate
jupiter makes one complete orbit of the sun every 119 years calculate the radius of the orbit of jupiter hint it is a
grignard reagent made from magnesium and 1-chloro-2-methylpropane with lables charges on the c-mg
a projectile is fired straight upward at 166ms how fast is it moving at the instant it reaches the top of its
a chemist burns a a saltine cracker in a calorimeter containing 20 kg of water the water temperature increases from
question 1 how should you quote the following measured value and associated error in the form xbest plusmn deltax value
a block having mass m 10kg rests on a horizontal surface us4 and uk2 what is the friction force if an external
the standard enthalpy of atomization of an element is the energy required to convert one mole of an element in its most
at a ball game consider a baseball of mass m 107 kg that falls directly downward at a speed v 50 ms into the hands of
acyl chloride can hydrolyze in water spontaneously to carboxylic acid in the interfacial polymerization water is used
a student sits on a rotating stool holding two 4 kg objects when his arms are extended horizontally the objects are 08
a tablet containing 5000 mg of aspirin acetylsalicylic acid or hc9h7o4 was dissolved in enough water to make 100 ml of
a ball is thrown horizontally from a 12 m high building with a speed of 80 ms how far from the base of the building
in the following reaction 97 ml of benzaldehyde was reacted with 37 ml of acetone to form 641 g of pure dibenzalacetone
a person is riding a bicycle and its wheels have an angular velocity of 139 rads then the brakes are applied and the
a 02 m sodium chlorobenzoate nac7h4clo2 solutions has a ph of 865 calculate the ph of a 020 m cholorbenzoic acid
the radious of curvature of convex mirror is used on a moving automobile is 2 m a truck comming behind it at a
the property of objects to resist changes in motion is called inertia if an object has a mass of m 4185 kg and it
which one of the following compounds will increase its solubility if the ph of a saturated solution of the compound is
what is the maximum concentration of cd2 that can exist in a solution in which the s2- concentration is 25 x 10-6
a small bag of sand is suspended by a wire of length l12 m a bullet of mass m8 gr moving with speed v0600 ms in the
develop a stoichiometry problem that includes finding a mass of reactantproduct from another mass of
a ray of light traveling in air strikes the surface of mineral oil at an angle of 234 with the normal to the surfaceif
the insecticide ddt was formerly in widespread use but now it is severely restricted owing to its adverse environmental