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explain why bubbling a solution with an inert gas such as argon or nitrogen causes deoxygenation of the
a sports car traveling along a straight line increases its speed from 204 mih to 604 mihwhat is the ratio of the final
the reaction shown above has been determined to be first order with respect to n2o5 if 00250 moles of n2o5 are
a figure skater is spinning at a rate of 18 revs with her arms outstretched she then draws her arms in to her chest
1 classify each of the following solutes as an electrolyte or a nonelectrolyte hcl na2so4 ethanol ch3ch2oh 2 calculate
the top layer of your goose down sleeping bag has a thickness of 54cm and a surface area of 10 m2 when the outside
a typical nuclear reactor generates 1000 mw of electrical energy in doing so it produces waste heat at a rate of 2000
8the lethal inhalation dose of sarin for a 200lb person has been determined to be 00015 mg determine the ld50 of
the x and y components of a displacement vector are -300 m and 400 m respectively what angle does this vector make with
medical labs often use centrifuges to separate the different components of blood or tissue in a centrifuge materials
a soccer player kicks a ball from ground level with an initial velocity of 25 ms at an angle of 30deg above the
the sleep foundation recommends that people get at least 8 hours of sleep every night based on this information your
consider the mass spectrometer shown schematically in the figure below the electric field between the plates of the
to measure the static friction coefficient between a 478-kg block and a vertical wall the setup shown in the drawing is
juiceco manufactures two products premium orange juice and regular orange juice both products are made by combining
a block with a mass of 100 g and a charge of 111 x 10-5 c is placed in an electric field with x component ex 251 x 103
a certain amount of oxygen gas occupies a volume of 12 liters when its temperature is 20c and its pressure is 1 atm
imagine that you have a 650 gas tank and a 250 gas tank you need to fill one tank with oxygen and the other with
a 545 g ice cube initially at 0degc is dropped into a styrofoam cup containing 363 g of water initially at 212degc what
three identical resistors are connected in series when a certain potential difference is applied across the combination
what is the ph of a solution obtained by mixing 50ml of 002 m sodium acetate with 40ml of 001 m
you make 100 l of a buffered solution ph 400 by mixing acetic acid and sodium acetate you have 100 m solutions of each