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what is the percent yield if 185 grams of sio2 are made from 328 g of cr2o3 by the following equation 3si s 2cr2o3 s
a uniform steel bar with weight of 98 n and length of 30 m is suspended on each end by a rope a 500 kg mass hangs 500
a 259879 lbs go cart and driver rounds a curve if the centripetal force on the go cart and driver is 1250 lbs the go
a white solid is either nai or nano3 if an aqueous solution of the solid is prepared the addition of which reagent will
which response includes all of the following substances that are strong electrolytes and no othersi liohii cach3coo2iii
stretching dna with its double-helix structure dna is coiled like a spring a biophysicist grabs the ends of a dna
if 856 ml of a 675 m solution are diluted to 620 l with water what is the concentration of the final
a car wheel with a diameter of 30 inches has a linear velocity of 30 mph the car accelerates for 10 seconds after the
a cylinder piece of metal 085m tall with a diameter of 390 cm has a specific gravity equal to 50 what is the mass of
two small plastic balls hang from threads of negligible mass each ball has a mass of 0180g and a charge of magnitude q
the reaction of 50 ml of n2 gas with 150 ml of h2 gas to form ammonia via the equation n2 3 h2-----gt 2 nh3will
a coating of n1127 material is to be added to n2149 glass in order to make it iridescent a what is the thinnest layer
an object moves 295m in the x-direction under the influence of a 125n force directed 52 degrees above the x-axis find
1 a scientist proposes construction of a space elevator by using a steel wire to raise a mass from the earths surface
a sample of pure oxalic acid hydrate was obtained by extracting a plant called snake tongue a 3000 g sample of the
two point charges q 1 -20 mu c and q 2 20 mu c are placed as shown in fig 212b the x-component of the electric
a mixture of cs2 g and excess o2 g is contained in a 100 l reaction vessel at 100 degrees c the total pressure of the
a cart with mass 320 g moving on a frictionless linear air track at an initial speed of 19 ms undergoes an elastic
discuss in detail why it might be dangerous to microwave raw eggs with their shell intact using the concepts learnt
a 230 kg mess kit sliding on a frictionless surface explodes into two 115 kg parts 232 ms due north and 590 ms 288deg
you are given a crushed sample that is a mixture of limestone caco3 lime cao and sand the calcium carbonate limestone
a strong weightless rope has a mass m hanging from the middle of it as shown the tension force on each rope is 25 n
a body is traveling at 570 ms along the positive direction of an x-axis no net force acts on the body an internal
could you please explain how to create a 260 l solution of ultra pure h2o with 1 molarity of sodium bicarbonate nahco3
what is difference between conducting and nonconducting charged