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a solution of acetic acid is prepared in water by adding 111 g of sodium acetate to a volumetric flask and bringing the
a 360 kg child swings in a swing supported by two chains each 290 m longa if the tension in each chain at the lowest
the planet neptune has a satellite proteus which travels in an orbit 1180108 m with a period of 112 days calculate the
the complete conversion of 2-phenylacetic acid to ethyl-2-phenylacetate in this experiment is the result ofa ethanol
a solid metal sphere of radius a 130 cm is surrounded by a concentric spherical metal shell of inner radius b 190 cm
esters can be hydrolyzed when heated with water and strong acids or bases- the reverse of fischer esterification
a light string can support a stationary hanging load of 270 kg before breaking a 280 kg object attached to the string
a reasonable estimate of the moment of inertia of an ice skater spinning with her arms at her sides can be made by
an important characteristic in the mechanism of this reaction is the formation of a tetrahedral intermediate which is
the person in figure p535 weighs 165 lb as seen from the front each light crutch makes an angle of 240deg with the
in this experiement a which group in the acyl compound is being substituted and b what is the substituting groupa a the
a 40 cm-diameter potters wheel with a mass of 27 kg is spinning at 180 rpm using her hands a potter forms a pot
consider a neutron star whose mass is twice the mass of the sun and whose radius is 141 km if it rotates with a period
how many grams of ethylene glycol automobile antifreezec2h6o2 dissolved in 315kg of water is needed to lower the
the equilibrium of fischer esterification reactions in general is slightly towards product formation the equilibrium
the critical angle for total internal reflection at a liquid-air interface is 450circ1 if a ray of light traveling in
give a mechanism for the depolymerization of diacetone alcohol via basic catalysis that is supported by the values of
our milky way galaxy is 100000 ly in diameter a spaceship crossing the galaxy measures the galaxys diameter to be a
calculate the change in entropy that occurs when 18g of ice at -10c is placed in 54g water at 100c in a perfectly
a parallel-sided plate of glass having a refractive index of 158 is in contact with the surface of water in a tank a
a 80 bike racer climbs a 1500 -long section of road that has a slope of 43 degreesby how much does his gravitational
for the moore pharmaceuticals model suppose that analysts have made the following assumptionsrampd costs triangular500
a solution is prepared by dissolving 195 g of sucrose c12h22o11 in 624 g of water what is the vapor pressure of this
a cockroach of mass m lies on the rim of a uniform disk of mass 700 m that can rotate freely about its center like a
the ph of a solution of a weak acid is found to be 4625 if 10000 ml of this solution is titrated with 73990 ml of