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the gas pressure in an aerosol can is 18 atm at 25oc if the gas is an ideal gas what pressure would develop in the can
an astronaut weights 200 lb at the sea level the radius of the earth is 3960 miles what force exerted on the astronant
a sample of a gas occupies 140 x 103 ml at 25oc and 760 mmhg what volume will it occupy at the same temperature and 380
a 100 ml sample of 010 m hcl is mixed with 50 ml of 011 m nh3 what is the resulting ph kb for nh3 18 x
the output of an ft-ir is an interferogram which is the sum of many cosine waves why is this so why does this pattern
consider the earth and a cloud layer 800 m above the planet to be the plates of a parallel-plate capacitor if the cloud
two beakers of 01molal glucose aq solution and 02 molal urea aq solution are kept in a closed bell jar they contain
if a steel ball with half the mass of the steel ball you used in class was used what would its initial horizontal
urease catalysis the hydrolysis of urea to ammonia and carbon dioxide the nonenzymatic hydrolysis at 21c has an
two protons are moving directly toward one another when they are very far apart their initial speeds are 200 106 ms
a disk-shaped space station 175 m in diameter spins uniformly about an axis perpendicular to the plane of the disk
use your knowledge of chemical tests to help me analyze my notes and determine what kind of substance is in each of the
a galvanic cell based on the reaction between silver ions and copper is constructed the chemical equation for the
a ball is kicked with an initial velocity of 15 ms in the horizontal direction and 14 ms in the vertical directiona at
which of the following shows the fully balanced version of the following half-reaction in acidic solutionh2saq rarr
a cylindrical copper rod and an iron rod with exactly the same dimensions are welded together end to end the outside
a small mailbag is released from a helicopter that is descending steadily at 158 msa after 400 s what is the speed of
at constant pressure the combustion of c2h6 releases 259 kj of heat find delta h for the rxn 2 c2h6 g 7o2 g -gt 4co2 g
the following question refers to a solution that contains 179 m hydrofluric acid hf ka 72 x 10-2 and 300 m hydrocyanic
a rock is tossed straight up with a speed of 24 ms when it returns it falls into a hole 13 m deepa what is the rocks
at what temperature is the molar volume of an ideal gas equal to 224l if the pressure of the gas is 25
a parallel plate capacitor has a capacitance of 94 f when filled with a dielectric the area of each plate is 21 m2 and
1 in 2 sentences explain the buffer system that is the bloods equilibrium reaction2 explain why some types of acidosis
the electric potential energy stored in the capacitor of a defibrillator is 110 j and the capacitance is 120 f what is
a boat has a mass of 4790 kg its engines generate a drive force of 4350 n due west while the wind exerts a force of 940