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a 49n brick is placed in 1m3 of oil the volume of the oil raises to 1025m3 the weight of the brick in oil at the bottom
1 lead is below tin but above copper suppose that you wanted to remove lead ions from a solutiion to make it less
if 38 kcal is released by combustion of each gram of glucose how many kcal are released by the combustion of 15 mol of
a 7500 resistor a 9500 mh inductor and a 5500 f capacitor are connected in series with an ac source with amplitude of
calculate the volume of 600 m naoh that can be added to a buffer composed of 0160 mol ch3chohco2h and 0179 mol
a man tries to determine the distance to an island offshore by using his knowledge of physics and wave motion he
a cannon ball is fired at an angle of 22 above horizontal with an initial speed v0 300 ms reaching a maximum height h
a group of students perform the same conservation of mechanical energy experiment that you performed in lab by allowing
a batter hits a baseball straight upward at home plate and the ball is caught by the catcher 50 s after it is struck
what is the major organic product formed when methylmagnesium bromide a strong nucleophile is treated with benzaldehyde
sodium borohydride to 9-fluorenone that you used in the experiment we used 100 mg of 9-fluorenone and 10 mg sodium
a 60 skydiver can be modeled as a rectangular box with dimensions 21 41 18 part a what is his terminal speed if he
draw the mechanism including formal charges on the ns of the first step of the synthesis where anthranilic acid is
expand 1046 mole of an ideal monatomic gas initially at 526 kpa and 605 k from initial volume vi 100 m3 to final
what is the ph to nearest 001 ph unit of a solution prepared by mixing 670 ml of 0558 m hcl and 580 ml of 0767 m
a coil of wire is in the plane of the paper the north pole of a magnet is facing the coil what is the direction of the
a student placed 160 g of glucose c2h12o6 in a volumetric flask added enough water to dissolve the glucose by swirling
write detailed mechanism for the formation of ethyl acetate from ethanol and acetic acid with h2so4 as a
an ideal monatomic gas initially has a temperature of 330 k and a pressure of 700 atm it is to expand from volume 530
how many grams of oxygen would be consumed by the complete combustion of 134 grams of glucose formula is c6h12o6 dont
calculate the mass of sodium chloride that will result from the addition of 250g of sodium hydroxide to 0140l of 400m
a sphere of radius 0500 m temperature 255degc and emissivity 0873 is isolated in an environment of temperature 770degca
air that initially occupies 0144 m3 at a gauge pressure of 1311 kpa is expanded isothermally to a pressure of 1013 kpa
given that 25 grams of iron are produced from the reaction shown belowcalculate the corresponding mass of oxygen that
a long straight cylindrical wire conductor of radius r carries a current i of uniform current density in the conductora