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during a particular car crash it takes just 018s for the car to come to a complete stop from 50 km h -11 at what rate
how many grams of sodium acetate do you need to dissolve in 100l of 100m acetic acid to produce a buffer with a ph of
suppose a cannonball is fired into the air with an initial velocity of 350 ms at an angle 32 above the horizontal
one of the strongest weak acids is chloric acid its ka is 10 what is the ph of a 075m solution of hclo3a 006b 015c 030d
a the ksp for aloh3 is 1910-33 what is the ph of a sauturated solution of aloh3 ignore any hydrolysisban aqueous
vinegar contains 50g of acetic acid in 100ml of water what is the ph of
the ksp of the imaginary compound ab is 16 10-53 how many liters of water should it take to dissolve one molecule of
a small spherical stone is thrown directly upward with an initial speed of 500ms from some unknown height above the
the primary coil of a transformer has 100 turns and its secondary coil has 400 turns if the ac voltage applied to the
a certain electric extension cord has a resistance of 496 suppose it is replaced by an extension cord made of the same
what reactants are needed to make bromocyclohexane into cyclohexanol without producing any or very little cyclohexene
how would you use a grignard reaction of an aldehyde or ketone to synthesize diphenylmethanol draw the grignard reagent
a conducting sphere that carries a total charge of 11 microc is placed at the center of a conducting spherical shell
what mass of lp gas is necessary to heat 14 of water from room temperature 250 to boiling 1000 assume that during
if the benzene ring has two halides ie chlorine and bromine and we do dow process which halide will it pickthe question
with a value of ka 26910-4 and initial ph 357 of the solution what would the intial concentration of this
water in a glass tube that contains grease or oil residue displays a flat meniscus whereas water in a clean glass tube
a solenoid 100 cm in diameter and 799 cm long is made from copper wire of diameter 0100 cm with very thin insulation
determine the ammonia concentration of an aqueous solution that has a ph of 1150 the equation for the dissociation of
1 why should activated carbon be used during a recrystallization2 if a little activated charcoal does a good job
a 10000 kg car with a speed of 900 kmh brakes to a stop how many calories of heat are generated by the brakes as a
deuterium oxide d20 where d is deuterium the hydrogen-2 isotope has an ion-product constant kw1 of 89 x 10-16 at 20
devise a synthesis of hexanedial ohcch24cho from phenol and any needed organic or inorganic
a solar cell has a light-gathering area of 10 cm2 and produces 02 a at 08 v dc when illuminated with s 1000 wm2
the solubility-product constants ksp at 25 celcius for two compounds ironii carbonate feco3 and cadmiumii carbonate