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a saline solution is prepared by adding 135 g of nacl to 1500 g of water what is the molal concentration of
a car slows down with an acceleration that has a magnitude of32 ms2 while doing so it travels 120 m in the xdirection
in the qualitative analysis of antimony please assist with net ionic equations for sb3 with thioacetamide sb2s3 with
a diver springsupward from a board that is three meters above water at an instanthe contacts the water his speed is 920
a particular cylindrical bucket has a height of 360 cm and the radius of its circular cross-section is 15 cm the bucket
450 g of water at 10degc is in a pot on the stove a block of ice with mass 225 g that is originally at -10degc is
a 350 g air track cart on a horizontal air trackno friction is attached to a string that goes over a pulley with a
a marble is thrown horizontally with a speed of 16 ms from the top of a building when it strikes theground the marble
in our lab we tried to isolate the compounds of an equally proportioned mixture of benzoic acid 2-naphthol diphenyl
a string is wound tightly around a fixed pulley whose radius is 50 cm as the string is pulled the pulley rotates
a model rocket blasts off from the ground rising straightupward with a constant acceleration thast has a magnitude of
compute the wt ag in ideal prousite ag3ass3 what is the maximum quantity of silver in try ounces that can be extracted
an inductor a capacitor and a 640- resistor are connected in series with an ac generator the generator produces an rms
gibbs free energy differences between axial-substituted and equatorial-substituted chair conformations of cyclohexane
an electron and a positron annihilate at rest and produce a pair of photons the rest mass energy of the positron and
a laser beam is projected through a diffraction grating which has a slit to slit separation of 2 microm 5000 linescm
a mixture was found to contain 310g of sio2 038 g of cellulose and 672 g of calcium carbonate what is the percentage of
a ray of light is refracted from a fluid into glassn16 the incident angle is 40 degrees and the refracted angle is 30
at the bottom of an old mercury-in-glass thermometer is a 37-mm3 reservoir filled with mercury when the thermometer was
a speedboat starts from rest and accelerates at 201 ms2 for 700s at the end of this time the boatcontinues for an
earths radius is 638x106 m and it completes one revolution every day what is the tangential speed of a person standing
calculate how long a de-orbit burn must last in minutes and secondsto achieve the shuttlersquos change in altitude from
electrum is the name given to au-ag alloys when ag exceeds 20wt determine the density of electrum with exactly 20 wt ag
a boat crosses a river of width w100m in which the cuerrent has auniform speed of 135 ms the pilot maintains a bearing