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write the structure for the pyrrolidine enamine and for the imine of cyclohexane write a balanced equation for the
a galvanometer has an internal resistance of 100 and deflects full-scale at a current of 200 ma what size resistor
find the ph and volume ml of 0367 m hno3 neded to reach the equivalence points in titrations ofa 265 l of 00750 m
a 24 m long rod of mass m1 160 kg is supported on a knife edge at its midpoint a ball of clay of mass m2 48 kg is
if a temperature increase from 220 degrees celsius to 330 degrees celsius triples the rate constant for a reaction what
a fortune tellers crystal ball actually just glass is 13 cm in diameter her secret ring is placed 8 cm from the edge of
a beam of unpolarized sunlight strikes the vertical plastic wall of a water tank at an unknown angle some of the light
completely neutralizes stomach acid hcl 10m how much carbon dioxide is made at stp 37 c 767 torr 100 humidity by
a person with a mass of 80kg stands on two snowshoes with areas of 2500cm3 each what is the total pressure on the
an aluminum rod is 210 cm long at 20degc and has a mass of 350 g if 15000 j of energy is added to the rod by heat what
the standard heat of formation delta hcirc rm f is defined as the enthalpy change for the formation of one mole of
water flows through a pipe the radius of the pipe in the narrow part is 2m and the radius of the pipe in the wider part
a reaction that is first order in a has a rate constant of 072min if the initial concentration of a is 160 m what is
an aquarium contains a 5-cm layer of water n1333 floating on top of carbon tetrachloride if the angle of incidence into
a 07120g specimen of iron ore was brought into solution and passed through a jones reductor titration of the feii
a circular window with 05m radius on a submarine can withstand a maximum pressure of 8900 nm2 how deep can the sub
an ideal gas is enclosed in the container with dimensions 5m x 3m x 2m the pressure in the gas is 2 atm1 atm 1013 kpa
given a buret filled with 012 m acetic acid and a second buret filled with 015 m sodium acetate how many milliliters of
a square coil of wire with 15 turns and an area of 040 m2 is placed parallel to a magnetic field of 075 t the coil is
a bicycle wheel of radius 20 cm is mounted at the middle of an axle 43 cm long the tire and rim weigh 24 n the wheel is
a buffer solution contains acetic acid hc2h3o2 at a concentration of 115 m and sodium acetate nac2h3o2 at a
josh starts his sled at the top of a 30 m high hill that has a constant slope of 25deg after reaching the bottom he
the standard enthalpy of atomization of an element is the energyrequired to convert 1 mole of an element in its most
a suppose you have 2600 ml of a 0320 m nac2h3o2 solution you add 2600 ml of a 0320 m hcl solution to it what is the new
completely neutralizes stomach acid hcl 10m how much carbon dioxide is made at stp conditions 37c 767 torr 100 humid by