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compute the ph of 0100l of a buffer solution that is 025m in hf and 50m in naf explain what is the change in ph on
explain what is the formal charge on carbon in the bicarbonate ion hoco2 depict lewis structure and show calculation
3645ml of 011 m hydrochloric acid were added to 3645ml of 0098 m aqueous barium hydroxide compute the theoretical yield
find out the number of grams of na2so4 that can be prepared by the reaction of 744g of naoh with sufficient
explain a rigid 820 l flask contains a mixture of 250 moles of h2 0500moles of o2 and sufficient ar thus that the
depict the lewis structure of clo2 with minimized formal charge which atom doesnt have eight valence
2500ml of 0200 m nh3 is titrated by 0100 m hcl methyl red can be utilize as an indicator for the titrationexplain what
cyclohexene also 2-hexyne both have the molecular formula c6h10 explain how would you use infrared spectroscopy to
the pickering series is a set of transitions of he first observed in the spectrum of the hot star zeta puppis in1896 to
a 256 g sample of anthracene c14h10 was burned to heat an aluminum calorimeter mass948g explain the calorimeter
depict the lewis structures for calcium carbonate as well as magnesium hydroxide set charges on the individual atoms
explain what is the coordination number as well as oxidation number of the central metal in each of the followinga
preliminary with 2-methylpropane outline a synthesis of each of the following the work in dash formula1 isobutyl
the time frame within which the accuracy as well as precision of a measuring system is expected to remain stable is
state the term symbol which incorporates orbital population as well as electron spin into one term and write out the
5-dihydropentalene reacts with two equivalents of butyllithium to form dianion of c8h62- intend a structure for this
talk about the differences associated with the product enthalpy curves for the ideal combustion case compared with the
explain the bond in o2 is shorter than the o-o bond in compounds that contain an o-o single bond define this
explain a chemist isolated an aromatic compound of molecular formula c6h4br2 she carefully nitrated this compound as
if a 1200 ml sample of phosphoric acid h3po4 solution was titrated with a standard solution of 01350 m caoh2 to reach
explain how many grams of copper can be produced if 134 grams of aluminum is reacted with excess copper 1
utilizing standard enthalpies of formation find out how much heat is released when 250g of ch4 is subjected for
to verify the presence of sodium or potassium ions it is required to use the flame test explain why is not possible to
750 g of pcl5 g is introduced into an evacuated 300 l vessel as well as allowed to reached equilibrium at 250 degrees
a few kcl is dissolved in water 25 degrees celsius where it totally dissociates the vapor pressure of pure water at 25