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a student following the procedure in this experiment prepared three solutions by adding 1150 2300 and 3450 ml of a 760
a voltaic cell is constructed by immersing a strip of silver metal in a 10m agno3 solution and a strip of cadmium metal
a solution is prepared by mixing 79 ml of 500m hcl and 240 ml of 800m hno3 water is then added until the final volume
describe lavoisiers experiment with mercury how does this experiment show the law of conservation of
determine the oh- of a solution that is 0230 m in hco3- also determine the ph of this
if you have a sodium salt of stearic acid and neutralize it with acid the solubility changes explain those relative
how much koh in grams is required to neutralize a sample of 125ml of 05n hcl that has just been added to 875ml of
the carbonyl carbon of an aldehyde ketone carboxylic acid or ester cannot be a stereocenter why or why
in a thermite reaction powdered aluminum reacts with iron iii oxide to make aluminum oxide and molten iron what mass of
we have a fusion of metals a and b their molar ratio is 11 if we pour 102 grams of this fusion into excess hcl solution
the decomposition of kclo3 proceeds spontaneously when it is heated do you think that the reverse reaction the
ka for hcn is 49 times 10-10 what is the ph of a 0068 m aqueous solution of sodium
the ph of a 055 m aqueous solution of hypobromous acid hbro at 250 degc is 448 what is the value of ka for
the vapor above a mixed drink at room temperature contains 41 ethyl alcohol by mass what is the mass percent
a buffer solution is 120 m in hf and 140 m in naf if 0230 moles of hcl are added to 100 l of the buffer what is its ph
consider benzene c6h6 in the gas phase write the reaction for breaking all the bonds in c6h6 using an enthalpy
how do i calculate the viscosity average and number average molecular weights of polyvinyl alcohol given the molar mass
a patient recieves all her nutrition from fluid given through the vena cava every 12 hours 750ml of a solution that is
a 0831-g sample of so3 is placed in a 100 l container and heated to 1100 k the so3 decomposes to so2 and o2 2so3 g
a an electron moving around the pi system of a benzene ring is another example of a particle on a ring system what is
propose a synthesis of ethyl neopentyl ether c2h5och2cch33 from an alkyl bromide and any other
it is very desirable that pesticides eventually decompose in the environment to give harmless products let us assume
a mixture of ethyne gas c2h2 and methane gas ch4 occupied a certain volume at a total pressure of 168g kpa when the
how much heat is required to warm 150 l of water from 300 c to 1000 c assume a density of 10gml for the
what volume will a sample of hydrogen occupy at 280 degrees celsius if the gas occupies a volume of 223 dm3 at a