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a student collects 242ml oxygen in a gas collecting tube by water displacement the water level inside the tube is 270mm
write the net ionic equation for the reaction that takes place when lead ii ion precipitates with chloride ionwrite the
a certain reaction with an activation energy of 165 kjmol was run at 485 k and again at 505 k what is the ratio of f at
when 100 mol h2s was put into a 100 l vessel and heated to 1132 degrees celcius it gave an equilibrium mixture
in a polymerization reaction of styrene with the concentration of 2 m in 2 liter cyclohexane solvent the polymerization
tris base pka81 was dissolved in 5l of water to give the final concentration of 1 m how much does the ph change after
name and give formulas of two acids that are strong electrolytes and one acid that is weak name and give formulas of
predict the products of each precipitation reaction balance the completed equation and then write the net ionic
if a person is given benzene phenol is the chemical found during the elimination process how does this
a compound has two carboxyl groups and one amino group the pkas of the groups are 20 44 and 89 respectively a
if hair grows at a rate of 24 cm per year then what is the rate of peptide bond synthesis peptide bonds per second that
use the same values reported for efficiency of oxygen delivery with a cooperative protein but this time let n1 instead
the rate constant for a certain reaction is 460times10-3 s-1 if the initial reactant concentration was 0900 m what
to prepare a fertilizer an engineer dilutes a stock solution of sulfuric acid by adding 247 l of 525 m acid to enough
the equation for a equilibrium reaction ab ab following le chateliers principal if the concentration of a is increased
what is the percent yield of a reaction in which 210 g phosphorus trichloride reacts with excess water to form 100 g
calculate the mass of each product formed when 175 g of silver sulfide reacts with excess hydrochloric acid4
chromiumiii oxide reacts with hydrogen sulfide h2s gas to form chromiumiii sulfide and water 4 significant
your are asked to prepare a 08500 m solution of aluminum nitrate you find that you only have 5000 g of the solidif 2500
the bitter-tasting compound quinine is a component of tonic water and is used as a protection against malaria it
determine the empirical formula of each of the following compounds type your answer using the format ch4 for ch4 and
what is the molecular formula of each compound type your answer using the format c6h12o6 for c6h12o6 and use the same
one useful method for recycling scrap aluminum converts some of it to common alum potassium aluminum sulfate
propane c3h8 is widely used in liquid form as a fuel for barbecue grills and camp stoves for 766 g of propane determine
you are asked to prepare a 08500 m solution of aluminum nitrate you find that you only have 5000 g of the solid what is