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for the following reaction the rate expression is found to be second order in a and zero order in b2ab-gtcobviously b
ten boxes each 220 cm high and weighing235 n initially are all side by side onthe floor the boxes are lifted and placed
draw elctron dot structures for the following elements na al cl ar which are the most chemically reactive which are the
an astronaut on a strange planet finds that she can jump a maxhorizontal distance of 160 m if her initial speed is
when a man stands on his scale it reads 926 kg when hepulls down on a chin-up bar installed over the scale the reading
a rifle bullet weighing 17 gand traveling 240 ms penetrates a 25 kg block of wood and emergesgoing 175 ms if the block
the alkaline earth metal beryllium be is very small and forms covalent compounds instead of ionic compounds knowing
a battery with an emfof 900 v has an internal resistance r when connected to aresistor r the terminal voltage is 880 v
give the bohr electron configuration and lewis electron dot structuce for sulfur circle the elector in the bohr
a 170 kg monkey hangs from a cord suspended from the ceilingof an elevator the cord can withstand a tension of 220 n
how many accelerators do you have in your car there are atleast three controls in the car which can be used to cause
an exotic finish to massive stars is that of a neutron starwhich might have as much as five times the mass of our sun
calculate the change in internal energy on an isothermal compression of 100kg of water at 20degress from 102 to 104
a square loop 200m on a side is placed in a magnetic field ofmagnitude 0300 t if the field makes an angle of 500degrees
calculate the internal energy that must be added to a mole of helium gas to raise its temperature from 300k to
a radio transmitter creates a time-dependent currentiti0sin omegat in the radio antenna wherei020a and omega63e6
how many grams of acetone are in 1384 ml of a 401 m aqueous solution of acetone the formula for acetone is
the composition of a gas on a dry basis is 770 mole n2 90 o2 110 co2 and 30 co if the mole fraction of water is 0170
ten boxes each 280 cm high and weighing215 n initially are all side by side onthe floor the boxes are lifted and placed
a student stands at the edge of a cliff and throws a stonehorizontally over the edge with a speed of 180 ms thecliff is
the first step in the ostwald process used to produce nitric acid is the formation of nitric oxide from ammonia and
an airplane has a takeoff speed of 80 ms which it reaches 35s after starting from rest what is the minimum length of
calculate the speed of a proton that is accelerated from rest through a potential difference of 120 vcalculate the
a person uses a converging lens of focal length 50 cm as amagnifying glasspart awhat is the maximum possible
a crate is sliding down a ramp that is inclined at an angle of380o above the horizontal the coefficient of