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a mixture was recrystallized to purify compound a melting point of 105 degc from compound b melting point 85 degc which
what does a isomer of heptane look like using the ball and stick model
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a large flask with a volume of 936 ml is evacuated and found to have a mass of 13466 g it is then filled to a pressure
through a series of tricky chemical reactions your instructor has you decompose both samples into the constituent
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consider the combustion of octane c8h18nbspwhat volume of oxygen gas at stp would be needed for the complete combustion
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art politics and identity the works of art and architecture examined during weeks 5 and 6 often held an underlying
with ammonium carbonate and calcium chloride on the basis of general solubility rules predict the identity of the
beers law states aebc which directly relates the concentrationc of a sample its molar absorptivity e and the
use the ideal gas laws to calculate the mass of 25 m3 of a mixture of 21 vv oxygen o2 and 79 nitrogen n2 which is at a
suppose that you add 25 g of naoh to 50g of hno3 in a calorimeter and you measure a resulting temp increase of 1517 c
when using bromothymol blue as the indicator what is the ph of the solution when the concentration ratio of the acid to
a bomb calorimeter has a heat capacity of 247 kjk when a 0105 g sample of c2h4 was burned in this calorimeter the
what is the specific heat capacity of gold if it requires 488 j to raise the temperature of 15 grams of gold 25
the combustion of what volume of ethane c2h6 meaured at 230 degrees celsius and 752 mmhg would be requird to heat 855 g
25 ml of a solution of 01 m acetic acid ka1510-5 is tritrated with a 005 m naoha calculate the initial phb calculate
the weather stations give the atmospheric pressure in inches of hg what is your measured atmospheric pressure in inches
how do you calculate enthalpy neutralization when you are given a situation where a coffee cup calorimeter 500 ml of
a sample of gas in a balloon has an initial temperature of 20 c and a volume of 175x103 l if the temperature changes to