Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
how much heat is associated with the burning of 352 g of methane in the following unbalanced reactionch4g o2g co2g
102 g of ice at -48oc is added to 164 ml of water at 501oc what is the final temperature oc of the
calculate the ph at the midpoint and at the equivalence point for a titration of 25ml of 0100m potassium hydrogen
expalin how you would prepare 5000ml of a solution that is 0100 m of h2so4 from concentrated 180 m of h2so4 which is a
bromine reacts with aluminum iodide if 635x1021 molecules of iodide are produced how many grams of aluminum iodide is
what ratio ch3nh3ch3nh2 is needed to prepare a buffer solution with a ph of 860 from methylamine ch3nh2 and
how much commercial fresh concentrated h2so4 solution in ml would you have to add to 100ml of distilled water to make a
compare and contrast solid-phase dna synthesis with enzyme-catalyzed dna synthesis please separately describe the
you place 25 moles of a monomer in a flask it equilibrates to form a dimer by the following reaction the molar
what is the ph of 0185m sodium phenolate c6h5ona the sodium salt of phenol ka 10 x
find the ph during the titration of 2000ml of 01000m triethylmine kb52x10-4 with 01000m hcl solution after the addition
2na 2h2o ----gt 2naoh h2 if 72g of na undergoes reaction with water and the resulting hydrogen is bruned in oxygen
a gas is compressed from an initial volume of 560 to a final volume of 123 by an external pressure of 100 during the
a 679 g mixture of the compounds sodium sulfide and potassium bromide is 409 by mass sodium sulfide the compound
the standard entropy of pbs at 29815k is 6480 jk-1 mol-1 assume that the heat capacity of pbs is given by cpm
during the experiment of an acid catalyzed dehydration of a secondary alcohol an elimination reaction e1 is experienced
1 find the fourier transform of the function exp-pix2 sigma2 explain how the width and height of the bands are
210 l of a buffer solution that is 0360 m in nh3 and 0430 m in nh4cl are diluted to 430 l with distilled water what is
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
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