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a box of mass 320 kg is sitting on a ramp which makes an angle of 240 degrees with respect to the horizontal the
a box of mass 860 kg is connected to a second box with a mass of 300 kg both are sitting on a horizontal surface and
a cylinder of volume 0330 m3 contains 120 mol of neon gas at 232degc assume neon behaves as an ideal gasa what is the
a possible side product of the aldol reaction of cinnamaldehyde and acetone is the self-condensation of acetone draw
antacid tablets are made from a variety of compounds sodium bicarbonate magnesium hydroxide and calcium carbonate to
an rc circuit contains a resistor of value r 430 and a capacitor with c 005 f after fully charging the circuit with
complete the following neutralization reaction and identify the strong acid strong base weak acid andor weak basea
copper has 85 x 1028 electrons per cubic meter a 12-gauge copper wire is 250cm in length and 205mm in diameter if a
1 the force required to stretch a hookes-law spring varies from 0 n to 764 n as we stretch the spring by moving one end
instructions for antacid tablets may direct the user to take 2-3 tablets for reduction of stomach acid assuming that a
an 15 by 75 house is built on a concrete slab 29 thick what is the heat-loss rate through the floor if the interior is
a camera lens has a focal length of 215 mmhow far from the lens should the subject for the photo be if the lens is 219
there are two binary compounds of titanium and chlorine one compound contains 3104 titanium by mass and the other
a compound microscope has an objective lens of focal length 100 mm with an eyepiece of focal length 152 mm and it
a 10 ounce piece of chocolate contains 15mg of caffeine and a 60 ounce cup of regular coffee contains 105mg of caffeine
you bring a 350 wrench into the house from your car the house is 17 degree celsius warmer than the car and it takes 246
the reaction of iodide ion with hypochlorite ion oci - the active ingredient in a chlorine bleach such as chlorox
a block m 05 kg with an initial temperature of 22 co slides along with an initial velocity vi when it encounters a
in a modified version of the unknown acid analysis experiment a 07032 g sample of unknown monoprotic weak acid was
a 159 kg block slides on a frictionless horizontal surface with an speed of 154 msec the block encounters an
the activation energy of a certain reaction is 529 kjmol how many times faster will the reaction occur at 35 degrees c
the first ionization energy of ne is 2081 kjmol the sodium ion na is isoelectronic with ne but the ionization energy
at 200degc a mainly silicon resistor has a resistance of 665 and a tungsten resistor has a resistance of 752 at this
imagine that you place a cork measuring 130cm x 550cm x 300cm in a pan of water and that on top of the cork you place a