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explain how might you explain the brittle nature of ceramics deem that ceramic materials are composed of two or more
explain if material properties tensile strength conductivity etc are a function of crystal structure will the measured
lactic acid ch3ch ohcooh has a ka value of14x10-4 explain how many grams of lactic acid must be added to make 1930 ml
if an empty beaker has a mass of 1293 grams subsequent to some chemical has been added the mass is 146653 grams explain
1 explain what is the boiling point of toluene at 600mmhg2 define what are the colors of cocl2 and cocl2 6h2o3 if a
assume that you have determined your edta molarity to be 0008628m now you have titrated your unknown water hardness
explain in the reaction of hydrogen peroxide with iron ii ion in acidic solution to form iron iii ion and water explain
explain how many electrons are transferred in the reaction of hydrogen peroxide with iron ii ion in acidic solution to
state the mechanism for oxidation of an alcohol to a ketone using hypochlorous acid explain what are the by-products
find out the commutates of the a operators ddx and 1x b the position as well as momentum operators c the operators ddx
1 the rate of change of b is -0366 mmin explain what is the rate of reaction for the following reaction in mmin2a 5b
if a gas sample absorbs 89 kj of heat as well as does 120 jj of work explain what is the change in its internal energy
explain what is the energy of the photon that is emitted when the state of an electron changes from n 4 to n 2 in a
a cube of unknown metal measures 18 in by 060in by 12 in and has a mass of 5667 explain what is the identity of the
explain what is the mass in grams of 2833 cubic centimeters of pure water at room temperature the density of pure water
as we have seen in the lab potassium metal reacts explosively with water by producing hydrogen gas and leaving
250ml of 010 m naoh is utilized to titrate 100 ml of an hcl solution of unknown strength find out the concentration m
mark all the criteria that compounds must meet in order to be considered aromatic more than one criterion must be
a cylinder of free volume 10ft3 is divided into two compartments by a piston originally the piston is at one end and
calculate the lattice energy of calcium chloride given that the heat of sublimation of ca is 121 kjmol as well as delta
explain what is the molality of a solution that contains 30g urea molecular weight60 amu in 100g of
explain what effect does the presence of nonvolatile solute have upon a the vapor pressure of a solution b the freezing
instead of calcium oxalate ions can as well be precipitated using barium ions define how using barium ions instead
one mole of an ideal gas is allowed to expand reversibly against a confining pressure that is at all times
if a cord of wood is a stack of wood that measures 40ft x 40ft x 80ft explain what is the volume of this stack of wood