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two students decided to fling balloons filled with m1681 grams ofice water at coeds who are sun batheing on the roof of
from the top of a tall building a gun is fired the bullet leaves the gun at a speed of 340 ms parallel to the ground as
a typical cup of tea is made by starting with six fluid ounces of cold water 177 ml how much heat in joules is required
integrate the form of the clausius clapeyron equation dpdt phvaprt2 and then use that to compute the triple point
a pully system consists of a mass m 35-kg block resting on a frictionless horizontal ledge this block is attached to a
two substances a and b initially at different temperatures come into contact and reach thermal equilibrium at 467
in a constant pressure calorimetry experiment a reaction gives off 208 kj of heat the calorimeter contains 150 g of
1 a solar cell generates a potential difference of00806 v when a 500 omega resistor is connected acrossit and a
a 70 kg window cleaner uses a 20 kg ladder that is 54 mlong he places one end on the ground 22m from a wall rests the
10 mols of liquid benzene at 20degc and 1 bar is pumped to 5 bar at the inlet conditions the molar volume of benzene is
a beaker with 115 ml of an acetic acid buffer with a ph of 500 is sitting on a benchtop the total molarity of acid and
an isolated capacitor of unknown capacitance has been charged to apotential difference of 125 v when thecharged
a scaffold of mass 65 kg and length65 m is supported in a horizontalposition by a vertical cable at each end a window
when a patient is being fitted with contact lenses thecurvature of the patients cornea is measured with an
what is the equilibrium composition of a reaction mixture if we start with 0500 mol each of h2 and i2 in a 10-l vessel
a 43 power refracting telescope wherepower is the angular magnification has an eyepiece with a focallength of 42 cm how
phosphorus pentachloride gives an equilibrium mixture of pcl5 pcl3 and cl2 when heatedpcl5g pcl3g cl2ga 100 l vessel
a barrel contains a 0130 rm m layer of oil of density620 rmrm kgrm mrm3floating on water that is 0290 rm m deep what is
a solution is 0020 m in each ca2 and cd2 what would be the resulting concentrations of the ions if the solution were
carbon dioxide and water vapor are produced when heptane c7h16 combusts how many grams of octane must be combusted in
lithium hydroxide lioh reacts with carbon dioxide to produce lithium carbonate li2co3 the chemical equation for this
imagine you are sitting in a room full of oxygen molecules at 300k if the room has a volume of 12105 m3 what is the
consider a balloon containing hydrogenmolecules at room temperature 20degc and atmospheric pressureif the balloon has a
suppose that there is 243 mol of nitrogen gas in an insulated sealed 317-l container initially at 285 k the specific
a potters wheel moves from rest to an angular speed of 20 revs find its angular acceleration in radians per second per