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What must the Celsius temperature be if 2.0 moles of a gas in a 4.0 L steel container has a measured pressure of 100 atm?
A sample of commercial hydrogen peroxide solution was analyzed using the procedure in this experiment. the results from three determinations were 3.03% ,2.89% and 3.22%
Is the skeleton of caffeine flat. How might the structure of caffeine account for the fact that it sublimes at atmospheric pressure instead of melting
Draw the structures of phthalic anhydride, ethylene glycol, and glycerol. Draw the polymer that results from phthalic anhydride & ethylene glycol. Draw the polymer that results from phthalic anhydride and glycerol.
consider the titration of 50.0 ml of 0.217 m hydrazoic acid hn3 ka 2.6 x 10-5 with 0.183 m naoh. calculate the ph of
A researcher working on a batch of a ceramic material tested two sets of samples for fracture strength. For one set of samples the specimens were tensile bars with a 10x10x100 mm^3 tensile gauge section
Draw the molecular orbital diagram for CO. Based on your diagram, why does CO always bond through the carbon and not the oxygen atom?
Calculate the vapor pressure at 20?C of a solution containing 3.641 g of naphthalene in 22.7 g of chloroform (CHCl3). Naphthalene (C10H8) has a low vapor pressure and may be assumed to be nonvolatile. The vapor pressure of chloroform at 20?C is 15..
Sulfuric acid is a strong monoprotic acid. The bisulfate anion is a weak acid with a pKa of 1.92. Calculate the pH of a 0.1000 M solution of sulfuric acid.
consider the reactionn2g3h2g-----gt2nh3gsuppose that a particular moment during the reaction molecular hydrogen is
dissolve CsI in liquid HF dipole-dipole forces dispersion forces hydrogen bonds ion-dipole forces ion-ion interparticle forces metallic bonds. melt potassium metal dipole-dipole forces dispersion forces hydrogen bonds ion-dipole forces ion-ion interp..
how many grams of methanol must be added to 7.50 kg of water to lower its freezing point to -13.0 degrees c? for each
What is the standard reaction enthalpy for which the equilibrium constant is doubled when the temperature is increased by 10 C at 298 K
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