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sodium lauryl sulfate found below is found in shampoo identify the polar and non-polar regions of the structure how is
1 if 200 g of zinc react with excess hydrochloric acid how many grams of zinc chloride are producedzns 2hclaq zncl2aq
1 4nh3 5o2 --gt 4no 6h2o if you start with 800 g of o2 and 700 g of nh3 how many grams of no will you produce2 fe3o4
the ksp for silver sulfate ag2so4 is 12 x 10-5 calculate the solubility ie the maximum concentration possible of silver
what volume of 15 m sodium hydroxide solution is required to completely neutralize 250 ml of 40 m sulfuric
728 kj of heat is released when 400 g of of br2 vapour at 332 k condense to a liquid what is the molar heat of
what is the ph of a 200l buffer solution that has hno 010m and kno 015 when 040 moles of acid are added
given the following work eq qi x t i current in ampere amp coulombsec 1f 96500 coulomb1 mole e- transferred
barium chloride was precipitated with certain metal sulfate the ppt was washed and ignited to remove impurities the
a green leaf has a surface area of 250 cm2 if solar radiation is 1000 wm2 how many photons strike the leaf every second
how many seconds are required to depositnbsp0149nbspgrams ofnbspcoppernbspmetal from a solution that
start with a 150 ml sample of 45 m hydrofluoric acid what is the ph if you buffer the solution by adding sodium
a 200-l cylinder containing 1134 kg of butane c4h10 was opened to the atmosphere calculate the mass of the gas
a sample of a compound of xenon and fluorine was confined in a bulb with a pressure of 18 torr hydrogen was added to
can anyone explain this scenario step by step i realy need to understand every step in order to succeed in my chemistry
aluminum strips were added to an aqueous hcl solution and the hydrogen gas was collected over water in a burette in
what volume of 500 times 10-3 m hno3 is needed to titrate 10000 ml of 500 times 10-3m caoh2 to the equivalence
describe the procedure for the determination of the ph of a solution given the hydroxide anion concentration
a student didnt notice that her pipet tip was broken she used the pipet properly but it consistently delivered 470 ml
if you spill a little of the benzoic acid as you mix it with the lauric acid will the molecular weight that you
a no has a bond energy of 632 kjmol but the energy of each n-o bond in no2 is 469 kjmol using lewis dot diagrams
write the chemical equation representing the electron affinity of oh including relevant state
several routine or newer sample pretreatment methods have been discusses for analytical quantitative chemistry such as
describe what is better for cleaning when a hard water is used a soap or a detergent and
what is the balance equation for complete combustion of the following hydrocarbons a butane b