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explain formic acid hco2h ka 18 times 10-4 is the principal component in the venom of stinging ants define what is the
explain what type of radiation such as ultraviolet visible or infrared would be needed to cause ionization of the
if sodium hypochlorite naocl is the active ingredient in household bleach define what is the concentration of
explain why is the lattice energy of potassium bromide more exothermic than the lattice energy of rubidium
if a buffer solution is prepared by dissolving 2722 g of kh2po4 and 337 g of koh in enough water to make 0100 l of
if a solution of hin is adjusted to ph 623 contains a mixture of hin and in- with a total concentration of 184x10-4m
if a solution contain ag and pb2 ions the addition of 1550 ml of 150 m nacl is merely enough to precipitate all the ag
depict the kinetic and thermodynamic enolates formed when 3-methylbutan-2-one methyl isopropyl ketone is treated with
define the binding energy of electrons to copper metal is 3742 kjmol state what is the longest wavelength of light that
explain polonium crystallizes in a simple cubic lattice the po atoms are at the lattice points only explain if the
explain the highest possible oxidation state for the halogens is 7 and the lowest possible is -1 which of the following
at 6pm you put a 3000g copper pan specific heat cu 385 jg c containing 8000ml of water all at 250 c on the stove the
the blood flow speed through an aorta with a radius of115 centimeter is 0265 msif hardening of the arteries causes the
a red-hot object is measured to have a frequency of 10x 1014 hertz determine what is the celsius temperature of the
a 40 kilogram mass is attached to a spring that has a spring constant k2500nm and is resting on a frictionless
a pendulum is made up of a 20 kilogram mass suspended on a thin aluminum wire this pendulum has a period of exactly 40
a rectangular trough 15 meter long 070 meter wide and 050 meter deep is completely full of water one end of the trough
a freezer is used to maintain food at an inside temperature of exactly -55oc if the outside temperature of the freezer
an object c of mass 01 kilogram strikes a second object d of mass 03 kilogram that is initially at rest mass c has an
the hot glowing surfaces of stars emit energy in the form of electromagnetic radiation it is a better approximation to
the 1994 winter olympics included the aerials competition in skiing in this occasion skiers speed down a ramp that
war and peace please respond to the following discuss substantive ways in which armed conflict can contribute to or
remember gasoline is merely a molecule made of carbon and hydrogen explain if the theoretical heat of combustion for
find out how to prepare the following solutions gravimetrically be specific about precisely what equipment and
if a 1443 gram sample of metal is reacted with excess oxygen to yield 1683 grams of the oxide m3o2 m being the metal