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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
the km for the reaction of chymotrypsin with n-acetylvaline ethyl ester is 88 x 10-2 m and the km for the reaction of
5c2o4- 2mno4- 16 h -----gt 10 co2 8 h2o 2mn2after a titration to compute the molar mass of the compound and the
consider benzene c6h6 in the gas phase write the reaction for breaking all the bonds in c6h6 using an enthalpy
an ideal gas is expand at a constant temperature with the pressure changing from 10 bar to 1 bar assume cpm
1 find the fourier transform of the function exp-pix2sigma2 explain how the width and height of the bands are inversely
how do i calculate the viscosity average and number average molecular weights of polyvinyl alcohol given the molar mass
cumulative chemistry problemat 70k ccl4 decomposes to carbon and chlorine the kp for the decomposition is 076find the
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
how many ml of a 010 m solution of hcl are necessary to neutralize 1000 ml of 016 m
your drinking water contains an unknown substance at a level of 8 parts per millionppm if you drink a glass of water
how much heat is required to warm 150 l of water from 300 c to 1000 c assume a density of 10gml for the
a mixture of ethyne gas c2h2 and methane gas ch4 occupied a certain volume at a total pressure of 168g kpa when the
what volume will a sample of hydrogen occupy at 280 degrees celsius if the gas occupies a volume of 223 dm3 at a
you make a drink by adding 50 g of ice at -7 celcius 300ml of cola at 4 celcius and 25ml of rum at 20 celcius into a
carbonic anhydrase molar mass 30000 gmol of red blood cells has one of the highest turnover numbers it catalyzes the