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an optical engineer needs to ensure that the bright fringes from a double slit are 157 mm apart on a detector that is
find the mass of s8 required to produce 837l of sulphur dioxide gas at stp from the reaction described by the following
in a youngs double slit experiment two rays of monochromatic light emerge from the slits and meet at a point on a
2 mechanismsreaction of benxaldoxime and clorox to form benxonitrile oxide treat clorox as cl2 and naoh reaction of
a farsighted person has a near pont that is 67cm from her eyes she wears eyeglasses that are designed to enable her to
a 1500 kg car is approaching the intersection at 11 ms he is 40 m away from the intersection find the minimum
what is the theoretical yield of ethyl chloride in the reaction of 191g of ethylene with 51g of hydrogen chloride for
a student is reading material written on a blackboard her contact lenses have a refractive power of 5750 diopters the
determine the mass of carbon monoxide produced when 064g of antimonyiii oxide reacts with carbon according to the
a student who was isolating aspirin stopped the experiement after the filtration step with alumina one week later the
in an l-r-c series circuit l0500 h r3800 ohms and c750 microf the voltage amplitude of the source is 2500 v find the
an object is 18cm in front of a adiverging lens that has a focal length of -12cm how far in front of the lens should
determine the percent yield for the reaction between 1793g of sb4o6 and excess c if 191g of sb is recovered alone with
a series ac circuit consists of a voltage source of frequency f60 hz and source voltage amplitude 345 volts a resistor
titrated acetic acid with sodium hydroxide the endpoint measured 279 ml the naoh concentration was figured out by
an object is placed to the left of aa lens and a real image is formed to the right of the lens the image is inverted
if 168g of co is mixed under high pressure with 178g of h2 what mass of methanol ch3oh will be
determine the percent yield for the reaction between 824g of rb and 1349g of o2 if 397g ofrbo2 is
a 40 kg mess kit sliding on a frictionless surface explodes into two 20 kg parts one moving at 10 ms due north and the
2 when 276 g 00200 mol of k2co3 was mixed with 300 ml of approximately 2m hcl the temperature rose by 52degca write a
a 200 kg crate sits at rest at the bottom of a 129 m long ramp that is inclined at 33 degrees above the horizontal a
suppose the first stage of a two-stage rocket has total mass 130times104 kg of which 110times104 kg is fuel the total
explain why c-h single bond stretching is observed in the functional group higher energy region of the ir but the
a neutral amino acid has a pka1 of 40 and a pka2 of 100 what is the ph of the solution of this amino acid if 80 is in
what is the ph of a buffer system in which the relevant pka is 50 and there is an acidbase ration of