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a 1 how many ml of boiling water are required to dissolve 2800g of phthalic acid 2 if the solution were cooled to 14
a electron enters a magnetic field of 03 t at an angle of 35 degree and with a speed of 500 e5 ms find the force on the
an aluminum cup contains 225 g of water and a 40 g copper stirrer all at 27degc a 490 g sample of silver at an initial
a 125g piece of metal is heated to 288c and dropped into 850g of water at 260c if the final temperature of the water
a series rcl circuit includes a resistance of 298 ohm an inductive reactance of 648 ohm and a capacitive reactance of
a 9 volt battery is connected in parallel with a 100 ohm 200 ohm and 500 ohm resistors find the total resistance in
with each cycle a 2510-w engine extracts 2070 j from a thermal reservoir at 90 degc and expels 1340 j into a thermal
a batter hits a fly ball which leaves the bat 088above the ground at an angle of 62 with an initial speed of 28 heading
a 10kg grindstone in the shape of a uniform cylinder of radius 025m acquires a rotational rate of 18 revs from rest
briefly explain how we modify the energy conservation equation when there is work dont by forces outside of our system
a small conductive rod of length 2 m moves with a constant velocity v17 ms in a direction parallel to a long wire
one commercial over the counter product consists of 5000 mg tablets that are 20 percent by mass vitamin c how many
a particle whose mass is 2 kg moves in the xy plane with a constant speed of 3 ms in the x direction along the line y
a softball of mass 0200 that is moving with a speed of 71 collides head-on and elastically with another ball initially
light propagating in the glass n1 165 wall of an aquarium tank strikes the interior edge of the wall with incidence
pure 2-methylpentane is held in a closed container at 150 f both gas and liquid are present what is the pressure in the
a dad pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency
pure 2-methylpentane is held in a closed container at 150f both gas and liquid are present what is the pressure in the
calculate the percent nickel in a compound for which a 116 mg sample required 138 ml of 0010 m edta to reach the
aging spring and bessel functionsa model for a mass-spring sysshytem with an aging spring without damping the
acetoacetic ester gave me a color with ferric chloride very much like that obtained with phenol whyis it because this
you attach a 100 gram mass to a spring and it stretches 4cm what is the spring constant if you set the spring in simple
waves on a 10 meter rope travel at 19 ms you shake the rope back and forth until you get a standing wave with a single
during the transition of the metal from the boiler to the cup some heat may have been lost to the air if no heat was
what is the ph of a solution containing 010 m propanoic acid hc3h5o2 ka13x10-5 and 010 m sodium propanoate after 002