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a sample of nitrogen gas in a 46-l container at a temperature of 26degc exerts a pressure of 39 atm calculate the
a 141 kg block is released at a 49 m height as shown the track is frictionless except for a portion of length 73 m the
a mass of gaseous water is given at a certain temperatur and a mass of liquid water is given at another temperature and
suppose 700 g of hydrogen is separatedinto electrons and protons suppose also the protons are placed atthe earths north
a jar test has shown that the optimum dose of ferric chloride consumes all of the alkalinity if the amount of ferric
a mass of 89103kg is placed on a 055 l cylinder with area 036 m2that contains 0021 mol of an ideal gas determine the
an excess of agno3 reacts with 1000 ml of an alcl3 solution to give 0325 g of agcl what is the concentration in moll of
how would the changing the concentration of 2-chloro-2-methylpropane affect the rate of the reaction of
we want to rotate the direction of polarization of a beam ofpolarized light through 90o by sending the beam throughone
which alkyl halide will react faster 2-chloro-2-methyl propane or 2-bromo-2-methylpropane explain how and why the
which will react the fastest with silver nitrate in absolute ethanol 1-bromobutane 2-bromobutane or
which alkyl bromide would react fastest with sodium iodide in acetone 1-bromobutane 1-bromo-2-methylpropane or
while exploring a sunken ocean liner the principal researcherfound the absolute pressure on the robot observation
how would the following changes affect the rate of the reaction with 1-bromobutane with nai doubling the concentration
which halide will react faster with sodium iodide in acetone 1-bromobutane or 1-chlorobutane explain how the nature of
which alkyl bromide will react the fastest with sodium iodide in acetone 1-bromobutane 2-bromobutane or
in a simple model of the hydrogen atom the electron revolves in acircular orbit around the proton with a speed of 16
a concave spherical mirror has a radius of 110cm anobjeect of height 15cm is placed 150cm from the mirrira where is the
the pressure inside a bottle of champagne is 45 atm higher thanthe air pressure outside the neck of the bottle has an
use a newman projection to draw the most stable conformation of 3-methylpentane looking down the c2-c3 bond please
a hydraulic lift is used to jack a 1120kg car 10 cm off the floor the diameterof the output piston is 18 cm and the
an iron chloride compound contains 5585 grams of iron and 1065 grams of chlorine what is the most likely empirical
a 3500kg car traveling to the north isslowed down uniformly from an initial velocity of 20ms by a 6250nbraking force
a rubber ball is shot straight up from the ground with speed vosimultaneously a second rubber ball at heighth directly
astronauts on a distant planet throw a rock straight upward andrecord its motion with a video camera after digitizing