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explain the fact that koh is much more soluble in liquid ammonia containing a little water than in pure liquid
a sample of oxygen gas has a volume of 150 ml when its pressure is 0947 atm what will the volume of the gas be at a
if 2215 ml of 0100 m sulfuric acid is required to neutralize 100ml of lithium hydroxide solution what is the molar
a hydrochloric acid solution is standardized using 0500g of sodium carbonate na2co3 find the molarity of the acid if
two cylindrical glass beads each of mass m 20 mg are set on their flat ends on a horizontal insulating surface
a rolaids tablet contains calcium carbonate which neutralizes stomach acid if a rolaids tablet neutralizes 4215 ml of
a cart 49 m in length moving with a velocity of 49 msec is approaching a platform which is 98 m above the plane of the
a student carefully diluted 500ml of 6 m hci solution in 9500 ml of distilled water calculate the molarity of the
which of the changes listed will shift the equilibrium to the right for the following reversible reaction cog h2og
the motion of a body falling from rest in a resistive medium is dvtdta-bvta find its initial accelerationb find the
the most abundant isotope of lithium li-7 contains three protons and four neutrons and has a mass of 701600 u what is
an unknown hydrate of calcium nitrate cano32 xh2o is heated to give 305 water what is the water of crystallization x
a ball is thrown straight upwards from the roof of a tall building the building is 600 m high a physics student in a
consider the following liquids with similar molar masses predict which has the strongest intermolecular attraction
a body starts from rest moves in a straight line with constant acceleration and covers a distance of 196 meters in 4
a 210-m-wide river flows due east at a uniform speed of 35 ms a boat with a speed of 67 ms relative to the water leaves
predict the physical state of ammonia at -95 degrees c mp -77degrees c bp -33 degrees c and normal atmospheric
a boy whirls a stone in a horizontal circle of radius 12 m and at height 15 m above level ground the string breaks and
what is the molarity of aqueous lithium bromide if 250ml of libr reacts with 100ml of 0250m
two flat 40 cm times 40 cm electrodes carrying equal but opposite charges are spaced 20 mm apart with their midpoints
if 100ml of blood plasma has a mass of 10279g and contains 0870g of protein what is the massmass percent concentration
to cook a stew you use a 4-mm thick steel pot with a bottom surface area of 100 cm2 the heating takes place from a
you are asked to determine the strength of an acid by titration with naoh exactly 500 ml of the acid are titrated with
a 3-m2 hot black surface at 80degc is losing heat to the surrounding air at 25degc by convection with a convection heat
calculate the heat released when 250 g of water at 0 degrees c crystallizes to ice at the same temp the specific heat