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an aqueous solution containing 359g of an unknown molecular nonelectrolyte compound in 1599g of water was found to have
if neville weighs 25 n and climbs a mountain and exerts 500 j of work how far did neville
if 100g of iron were reacted with 100g of oxygen according to the reaction below the maximum yield in grams of fe2o3
ginnys boat weighs 200 n and travels an unknown distance if the boat does 2200 joules of work how far does the boat
if harrys dog weighs 25n and harry lifts him up to a height of 10 meters how much work does harry
if c6h12o6 gtgtgt 2 c2h5oh 2 co2 represents the fermentation of sugar to produce alcohol and reaction is only 400
a mixture of no co2 and o2 gases has a total pressure of 25000 x 103 torr if the partial pressure of no is 8000 torr
how many degrees of temperature rise will occur when a 250 g block of aluminum absorbs 10 kj of heat the specific heat
a bullet is shot from a gun to demonstrate projectile motion the initial velocity v0 of the bullet is 64 ms and it
diphosphorus pentoxide354ghas reacted with ferric oxide545gwhat isare the massmasses of the products obtained per
a tetherball leans against the smooth frictionless post to which it is attached the string is attached to the ball such
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