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sulfur dioxide is a compound produced when sulfur burns in air it has a melting point of -727 c and a boiling point of
if it takes three breaths to blow up a balloon to 12 rm l and each breath supplies the balloon with 0060 moles of
write the reaction equations for the acid-catalyzed dehydration of the following alcohols showing all the possible
hydrocarbons do not dissolve in concentrated sulfuric acid but methyl benzoate does explain this difference and write
identify the precipitate if any that forms when the following solutions are mixed by writing a balanced equation for
calculate a precipitation titration curve plotting pagaq against volume of agno3 added for a titration involving adding
what are all the possible products of monochlorination of ethylcyclohexane compare them to the products of
one type of sunbeam occurs on exposure to yellow light of wavelength in the vicinity of 589 nm a what is the energy of
one beaker contains 500 ml g of water at 22ordmc and a second beaker contains 75 ml of water at 53ordmc the water in
if 673 g of na2co3 is dissolved in enough water to make 2500 ml of solution what is the molar concentration of the
describe and explain the possible effect on your results of the following experimental errors or variations in each
in a particular air mass the concentration of oh was found to be 54x106 molecules per cubic centimeter and that of
a what is the ph of a buffer made by combining 0025 moles potassium acetate with 0015 moles acetic acid in 200 ml of
limonene mw 136 is a pleasant-smelling liquid found in lemon and orange peels the bp of limonene is 175ordmc but it
iron iii oxide is formed when iron combines with oxygen in the air how many grams of fe2o3 are formed when 167g of fe
419 kj of energy is required to ionoze potassium what is the minimum frequency of light required to ionize
a silver block initially at 562celcius is submerged into 1000g of water at 252celcius in an insulated container the
the value of ka for nitrous acid hno2 at 25c is 4510-4 what is the value of deltag when h 5910-2 m no2- 6110-4 m and
a saturated solution of magnesium fluoride was prepared by dissolving solid mgf2 in water the concentration of mg2 ion
phosphorous acid h3po3aq is a diprotic oxyacid that is an important compound in industry and agriculture calculate the
americium-241 is used in smoke detectors it has a first order rate constant for radioactive decay of k16 x 10-3 yr-1 by
2 moles of ideal gas at 300k with an initial volume of 25l are compressed under an external pressure of 2800 torr
show the correct expression for the equilibrium in the reaction of benzoic acid with methanol to form methyl benzoate
derive a rate law for the exothermic reaction 2o3 3o2 based on the following mechanism and draw the corresponding
40 moles of methanol is allowed to react with 10 moles of benzoic acid to form methyl benzoate and water after the