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calculate the mass in grams of iodine i-2 that will react completley with 204g of aluminum ai to form aluminum iodide
how many minutes does it take light from the sun to reach earth the sun is 93 million miles from earth and the speed of
101 g cao is dropped into a styrofoam coffee cup containing 157 g h2o at 180oc if the following reaction occurs then
an aqueous nacl solution is made using 127g of nacl diluted to a total solution volume of 100la calculate the molarity
what volume in liters of gaseous hydrogen chloride can be prepared from 400 liters of hydrogen with excess of chlorine
an aqueous solution containing 359g of an unknown molecular nonelectrolyte compound in 1599g of water was found to have
if 100g of iron were reacted with 100g of oxygen according to the reaction below the maximum yield in grams of fe2o3
if c6h12o6 gtgtgt 2 c2h5oh 2 co2 represents the fermentation of sugar to produce alcohol and reaction is only 400
a mixture of no co2 and o2 gases has a total pressure of 25000 x 103 torr if the partial pressure of no is 8000 torr
how many degrees of temperature rise will occur when a 250 g block of aluminum absorbs 10 kj of heat the specific heat
diphosphorus pentoxide354ghas reacted with ferric oxide545gwhat isare the massmasses of the products obtained per
the gas pressure in an aerosol can is 18 atm at 25oc if the gas is an ideal gas what pressure would develop in the can
a sample of a gas occupies 140 x 103 ml at 25oc and 760 mmhg what volume will it occupy at the same temperature and 380
a 100 ml sample of 010 m hcl is mixed with 50 ml of 011 m nh3 what is the resulting ph kb for nh3 18 x
the output of an ft-ir is an interferogram which is the sum of many cosine waves why is this so why does this pattern
two beakers of 01molal glucose aq solution and 02 molal urea aq solution are kept in a closed bell jar they contain
urease catalysis the hydrolysis of urea to ammonia and carbon dioxide the nonenzymatic hydrolysis at 21c has an
use your knowledge of chemical tests to help me analyze my notes and determine what kind of substance is in each of the
a galvanic cell based on the reaction between silver ions and copper is constructed the chemical equation for the
which of the following shows the fully balanced version of the following half-reaction in acidic solutionh2saq rarr
at constant pressure the combustion of c2h6 releases 259 kj of heat find delta h for the rxn 2 c2h6 g 7o2 g -gt 4co2 g
the following question refers to a solution that contains 179 m hydrofluric acid hf ka 72 x 10-2 and 300 m hydrocyanic
at what temperature is the molar volume of an ideal gas equal to 224l if the pressure of the gas is 25
1 in 2 sentences explain the buffer system that is the bloods equilibrium reaction2 explain why some types of acidosis
what amount of barium sulfate is produced by reacting 132 ml of 0875 m barium chloride with excess sodium