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1-a 500 ml nacl solution is diluted to a volume of 124 l and a concentration of 800 m what was the initial
1 the sum of two numbers is 120 if three times the smaller is subtracted from the larger number the results is 12
for the reaction no2gno3g n2o5g the activation energy is 18 kjmol and the overall delta e is -136 kjmol how times
a 1200 kg car is traveling at a constant speed of 13 ms up a hill that makes a constant angle with the horizontal the
1find the area of the region enclosed between y2sinx and y4 cosx from x0 to x06pi 2there is a line through the origin
a capacitor is connected across the terminals of an ac generator that has a frequency of 424 hz and supplies a voltage
a100 ml of 100 m hcl solution is titrated with 100 m naoh solution you added the following quantities of 100 m naoh to
a 035 kg cart traveling at 06 ms to the right collides with a stationary 055 kg cart after the collision the second
a current of 368 a is pass through a snno32 solution how long in hours would this current have to be applied to plate
a speaker and two microphones are arranged inside a sealed container filled with neon gas the microphone closer to the
a red car and a green car identical except for the color move toward each other in adjacent lanes and parallel to an x
a current of 365 a is passed through a nino32 solution for 180 hours how much nickel is plated out of the
a step-up transformer has 10 turns on the primary coil and 500 turns on the secondary coil if this transformer is to
consider the following cell pth2g 1750 atmh aq mag aq 100 mags if the measured cell potential is 095 v at 25 degc and
on a frictionless track a 055 kg cart is traveling at 070 msec when it runs into a spring that is anchored to the end
determine the value of x in fecox if you combine 0250 g of iron with co and isolate 0877 g
an object with mass 50 kg originally moves with 4 ms in the s direction on a horizontal surface and suddenly breaks
the inductance of a solenoid with 450 turns and a length of 35 cm is 55 mha what is the cross-sectional area of the
choose a process in any one of the industry cement or oil crude and explain it that involves using a reactor talk
the following thermochemical data are for 25oc h0f cp h2ol - 286 kj mole-1 753 joule mole-1 k-1 haq 0 0 oh-aq - 230
consider the following mechanism 1 a h reg a rate1 ia excitation of a a constant 2 a a reg a2 rate2 k2aa formation
the angular speed can be represented as rads1 rev2p rad 253e7 revs the electrons travel around a circle of radius
a steam engine works between th 140c and tc 30c calculate the minimal withdrawal from the hot source to yield 1 kj of
write an expression for da2dt b apply the steady state approximation to a and derive an expression for the steady state
after hitting a long fly ball that goes over the right fielders head and lands in the outfield the batter decides to