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You have samples of two different compounds, CH3OCH3 and CH3CH2CHO. which ONE of these tests can be used to distinguish between the pair of compounds shown above? 1. heptane/water solubility 2. dilute HCl 3. H2CrO4 4. NaHCO3 solution 5. Br2 in CH3CCl3
What is the Henry's law constant for the gas if the partial pressure of the gas in air is .0088 atm?
What is the pH of 50 mL of .122M sodium glycinate titrated with .100M HCL at second equivalence point
The standard reduction potential for Zn2+ is -0.76 volt and that of Cu2+ is 0.34 volt.a) Write the cell diagram for the Daniell cell (NH4NO3 salt bridge).
Gold can be hammered into extremely thin sheets called gold leaf. If a 202-mg piece of gold (density = 19.32 g/cm3) is hammered into a sheet measuring 2.4 ft multiplied by 1.0 ft, what is the average thickness of the sheet in meters?
What mass of carbon dioxide was produced? Express your answer to three significant figures and include the appropriate units.
Calculate the pH of an aqueous solution prepared to contain 1.3 x 10^-3 M sodium nitrite (NaNO2) if the acid dissociation equilibrium constant, Ka, for nitrous acid (HNO2) is 5.1 x 10^-4.
What volume would be occupied by 100 g of oxygen gas at a pressure of 1.50 atm and a temperature for 25° c?
he maximum contaminant level (MCL) for barium (Ba) in drinking water is 2.0 mg/L. Barium can combine with sulfate (SO42-) to form BaSO4(s), which precipitates out of the water. This can be achieved by adding Na2SO4
Draw the structure(s) of the product(s) of the Claisen condensation reaction between ethyl phenylacetate and ethyl formate.
Calculate the molar concentration of CO2 for a sample that has a pH of 6.220 and a HCO -3 concentration of 0.0020 M. For carbonic acid pKa1=6.33 and pKa2=10.35.
what vibrational bands would be prominent in the Ir spectra of 3-aminoacetophenone and 1-(3nitrophenyl) ethanol? at approximately
septic tank has a pH of 6.90 and HCO3- concentration of 8.25 mmol L-1. Calculate the partial pressure of carbon dioxide in the associated soil atmosphere.
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