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an aluminum wire with a cross-sectional area of 39 x 10-6 m2 carries a current of 19 a find the drift speed of the
a object of mass 300 kg is subject to a force fx that varies with position as in the figure below find the work done by
calculate the resistance per unit length of a nichrome wire which has a radius of 0182 mm the resistivity of nichrome
a bead of mass m 690 kg is released from point a and slides on the frictionless track as shown in the figure below the
a fire extinguisher with a volume of 10 ft3 initially contains co2 at 20 oc and atmospheric pressure and weighs 25
which contains the larger number of molecules 100 g h2o or 100 g h2o2 show evidence for you answerin a blast furnace
you are given a solution of the following cations in water ag co2 ba2 zn2 and sn2 you want to separate the ions out one
balance each of the following equations classify each reaction as combination decomposition single-displacement or
when 250 ml of 0500 m h2so4 is added to 250 ml of 100 m koh in a coffee-cup calorimeter at 2350 degrees celsius the
1 the oh- of a solution is 36 x 10-4 m what is the h3o is the solution acidic basic or neutral 2 what is the correct
give the structure of the ester product in the reaction of acetic acid ch3co2h with isotopically labeled ch318oh and
a 2 liter bottle contains a solution of sugar in water there are 2 moles of sugar in the bottle what is the morality of
write equations using 1 butene to illustrate the reactions with br2 in dichloromethane acetone and potassium
write a balanced equation for the reaction involved in the synthesis of aspirin from salicylic
give equations showing the structures of all the reactants reagents and products for the reactions of salicylic acid
on a long standing an open bottle of aspirin will develop an odor of vinegar what causes this to
a chemist needs a buffer with a ph of 435 how many mls of pure acetic acid density1049 gml must be added to 465 ml of
relation between reaction velocity and substrate concentration michaelis-menten equation at what substrate
how many ml of 025 n of naoh will be used to titrate 0348g of primary standard khp c6h4cook
in standardizing a solution of hcl it is found that 4726 ml of the acid are equivalent to 1216 g of pure na2co3 what is
a solution of hcl is found to be 05277 n and 3965 ml of its equivalent to 2065 of standard naoha what is the normality
a 560-kg projectile is fired at an angle of 300deg above the horizontal with an initial speed of 124 102 ms from the
what is the normality of a solution of koh if 4518 ml are required to neutralize 03g of pure oxalic acid h2c2o4
what mass of naoh is needed to precipate the cd upper case 2 upper case ions from 300ml of 0520 m italic cd no32
two crates connected by a rope of negligible mass lie on a horizontal surface create a has mass ma and crate has mb the