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assume that you have a cylinder with a movable piston what would happen to the gas pressure inside the cylinder if you
a 15-cm tall object is placed 050 m to the left of a diverging lens with a focal length of 020 m a converging lens with
a 4218 g sample of water initially at 202 c absorbs 5619 kj of heat what is the temperature of the water after
the reaction of phthalimide with sodium hypochlorite gets a product that had the molecular formula of c7h7no2
light of wavelength 500 nm is incident normally on a diffraction grating the third-order maximum of the diffraction
a rope is used to pull a 557 kg block at constant speed 278 m along a horizontal floor the force on the block from the
two slits separated by 00530 mm and located 140 m from a viewing screen are illuminated with monochromatic light the
a fish in water sees the sun by look at an angle of 33 degrees with the vertical normal given the index of refraction
cyclopropane gas is 857 c and 143 c h by mass and has a density of 171 gl at 755 mm hg and 25c a what is the molar
aa 200 g sample of a gas sx6 has volume of 3295 cm3 at 100 atm and 20 c what element is x b what is the density of
the index of refraction for a certain kind of glass is 1648 for violet light and 1619 for red light a ray of violet
how many moles of air are there in a flask with a volume of 125ml if the pressure is 745 mm hg and the temperature is
a mass of 014kg on the end of a spring oscillates with a period of 045 s and an amplitude of 015 m find the equation
at 25degc hydrogen iodide breaks down very slowly to hydrogen and iodine ratekhi2 the rate constant at 25degc is 24
a uniform narrow tube 179 long is open at both ends it resonates at two successive harmonics of frequencies 285 and 342
an arrhenius plot ln k vs 1t for a second order reaction produced a straight line with a slope of -681e03 k what is the
the helium ion he has energy levels similar to those of hydrogen and are given by the equation en -524816n2 kjmolea
a radiator has an emissivity of 90 and its exposed area is 123 m2 the temperature of the radiator is 100 degrees c and
calculate the binding energy in j and the nuclear binding energy per nucleon of 107- 47 ag 1069051 amua nuclear binding
rewrite the following unbalanced equations changing them into balanced net ionic equations assume that all reactions
an electron is accelerated inside a parallel plate capacitor the electron leaves the negative plate with a negligible
a playground merry go round has a radius of 440 m and a moment of inertia of 245kgm2 and turns with negligible friction
deduce the numerical value of x in the formula mocox explain the rationale for your chosen value of
what is the a molality b freezing point c boiling point of a solution containing 1000 g of ethylene glycol c6h6o2 in
a driver travels northbound on a highway at a speed of 280 ms a police car traveling southbound at a speed of 380 ms