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lexan is a plastic used to make compact discs eyeglass lenses and bullet-proof glass one of the compounds used to make
a sample of s8g is placed in an otherwise empty rigid container at 1325 k at an initial pressure of 100 atm where it
i adrenaline contains 13 hydrogen atoms 9 carbon atoms 3 oxygen atoms and 1 nitrogen atom what is the chemical formula
three objects are connected on the table as shown in figure p544 the table is rough and has a coefficient of kinetic
a reaction vessel contains 125 g of co and 125 g of o2 how many grams of co2 could be produced according to the
a 0060 kg tennis ball initially moving at a speed of 12 msis truck by a racket causing it to rebound in the
a student decides to measure the muzzle velocity of a pelletshot from his gun he points the gun horizontally he places
a 13 ml sample of a solution of albr3 was diluted with water to 27 ml a 15 ml sample of the dilute solution was found
a spring with a spring constant of 40ncm has a cage attachedto one end how much work does the spring force do on the
a beam of light with red and blue components of wavelengths 670 nmand 425 nm respectively strikes a slab of fused
a proton accelerates from rest in a uniform electric field of660 nc at some later time its speedis 110 multiplied by
when 15 ml of a solution containing 16 m na2s is diluted to 32 ml a dilute solution is formed how many moles of na ions
a phonograph record has an initial angular speed of 36 revmin therecord slows to 13 revmin in 2 seconds what is the
classify the following by the sign of delta u for the system the following can be classified into these three
near earth the density of protons in the solar wind a stream ofparticles from the sun is 880cm-3 and their speed is
a 50-g of ice cube at 0c is heated until 45g has become water at 100c and 50g has become steam at 100cnbsp how much
a 82 kg object moves in a horizontal straight line withan initial speed of 53 ms if it is stopped along that linewith a
when 29 ml of a 260 ml stock solution containing 211 m alcl3 is diluted to 81 ml how many moles of al3 are in the new
a window has a glass surface are of 16x103 cm2 and a thickness of 30 mma find the rate of energy transfer by conduction
a 95 ml stock solution contains 435 m na3po4 when 28 ml of the stock solution is diluted to 86 ml how many moles of na
equipotential surface a has a potential of 8350 vwhile equipotential surface b has a potential of 16100 v aparticle has
a stock solution is prepared by adding 30 ml of 2 m alcl3 to enough water to make 80 ml what is the cl- concentration
the concentration of alcohol ch3ch2oh in blood called the blood alcohol concentration or bac is given in units of grams
the power supply for a pulsed nitrogen laser has a 0060micro-f capacitor with a max voltage rating of 25 kv if 10of
1-11 exactly 500 ml aliquots of a solution containing phenobarbital were measured into 5000ml volumetric flasks and