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a particular formula contains by mass 414 g c 347g h and 551 g o 0050 mol sample of the compound weigh 580 g the
the average speed of blood in the aorta the main blood vesselcoming from the heart is 0300 ms the average radius of
a family ice show is held in an enclosed arena the skaters perform to music playing at a level of 790 db this intensity
if 20 moles g2 random element are reacted with 10 moles b2 random element how many moles of g2b will be
the overall hydrogen burning reaction in stars can be represented as the conversion of four protons to one alpha
an iron bar of mass 05 kg slides down a frictionless incline 032 m high at the bottom of the incline it collides and
part a how many copper atoms are within the face-centered cubic unit cell of coppercame up with an answer of 4 atoms
a 200-o resistor a 400-mh inductor and a 200 uf capacitor are connected in series with a 120-v rms source at 1000 hza
a small mass m of cold water whose temperature is 0c is poured into a lake whose temperature is 10c the initially cold
suppose a compound z had a partition coefficient of 80 in ether-water if 100 g of z was dissolved in 100 ml of water
a spark plug in an automobile engine consists of two metalconductors that are separated by a distance of 070 mm when an
two astronauts are 5199 m apart in their spaceship speaking to each other the conversation is transmitted to earth via
cumene a hydrocarbon is a compund composed only of c and h it is 8994 carbon and its molar mass is 1202 gmole what are
a 15-uf capacitor is connected to a 50-v battery and becomes fully charged the battery is removed and a slab of
a heat engine does 34921 j of work per cycle while exhausting 50783 j of heat to the cold reservior if a carnot engine
ssm a parallel plate capacitor has a capacitance of60 microf when filled with a dielectricthe area of each plate is
the burning of fuel transfers 3 105 w of power into the engine of a 2400-kg vehicle if the engines efficiency is 46
a spring spring constant 800 nm is mounted on the floor and it oriented vertically a 0600-kg block is placed on top of
an ac source of maximum voltage vo30 v is connected to a resistor r50o an inductor l06 h and a capacitor c20 uf what is
a sound wave generated by a source of frequency 440 hz is moving through 25 oc air the sound wave strikes a solid block
at the start of a race a four-man bobsled team pushes their sled as fast as they can along a 50 m flat starting stretch
two metal balls are hung from strings the first ball 014 kg is pulled to the side and released so that it strikes the
a mirror faces a cliff located some distance away mounted on the cliff is a second mirror directly opposite the first
a cannon fires a cannonball from the top of a wall at a speed of 2349 ms and an angle of 3095 degrees from the
an object is undergoing shm with a maximum speed of 861 ms and the maximum acceleration of 168 ms2 what is the period