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you are with 19 other people on a boat at rest in frictionless water your total mass is 1500 kg and the mass of the
a rowboat with a mass of 94 kg carries a 61 kg rower and 34 kg of water that has accumulated in the bottom its drifting
a red laser pointer with a wavelength of 635 nm is shined on a double slit producing a diffraction pattern on a screen
a double slit is opposite the center of a 17-m wide screen 23 m from the slits the slit separation is 24 microm and the
consider the following reaction cao s co2 g caco3 s a chemist allows 144 g of cao and 138 g of co2 to react when the
interstellar space has a magnetic field on the order of 01 nt matter in this space is mainly hydrogen atoms about 1 per
if a rockets exhaust speed is 160 ms relative to the rocket what fraction of its initial mass must be ejected to
1 write the equation for saponification of of glyceryl tripalmitate2 write equation for hydrogenation of glyceryl
a solid cylinder is released from rest and rolls without slipping down a 40 degree incline two photogates are connected
a cargo plane is moving with a horizontal velocity of v220 ms at a height of y970m above level ground as shown in
given the following dissolving process fe2so43 s 2fe3 aq 3so42- aq how many grams of iron iii ions are produced when
a circular loop of radius 118 cm is placed in a uniform magnetic fielda if the field is directed perpendicular to the
calculate the molar solubility of lead thiocyanate in pure water the molar solubility is the maximum amount of lead
air is 21 mole percent oxygen that is 021 atm oxygen at 1 atm suppose the ph of the water is 591 and that the
a student sitting on a frictionless rotating stool has rotational inertia 097 kgm2 about a vertical axis through her
the electrochemical processes that occur in the rate limiting step of the corrosion of iron oxidation of iron are
the generic metal hydroxide moh2 has ksp 385times10-18 what is the solubility of moh2 in pure waterwhat is the
a plain hamburger requires one ground beef patty and a bun a cheeseburger requires one ground beef patty one slice of
charcoal is primarily carbon determine the mass of co2 produced by burning enough carbon to produce 500 x 102 kj of
which reactant is in excess from the reaction of 350 g of hydrogen with 276 g of oxygen to form
50 kg of hydrogen is reacted with 31 kg of oxygen the experiment yields 28 kg of water calculate the percent yield of
a compound contains the following 841 c and 159 h the molecular mass of the compound is 120 gmol what is the empirical
1 a single card is drawn from a standard deck of cards find the probability if the given information is known about
a solution of magnesium chloride is mixed with a solution of sodium hydroxide predict any precipitates that are
what is the theoretical yield of acetic acid when 225 g of methanol reacts with 320 g of carbon monoxide in the