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What is wrong with measuring the voltage of cell containing only one solute component on each side (Fe[II] of a given molality on one side and Fe [III] with the same molality on the other)?
A sample of pure NO2 is heated to 336 C at which temperature it partially dissociates according to the equation 2NO2->O2+2NO
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.120 M HClO(aq) with 0.120 M KOH(aq). The ionization constant for HClO is 4.0×10-8
Ethanol (molar mass = 46 g/mol) can be dehydrated to yield ethene (molar mass = 28 g/mol) by heating it with an excess of concentrated sulfuric acid (acting as a catalyst).
A certain wavelength is 1100 nm. What is the energy for a mol of photons (J/mol) with this wavelength
The density of the gas doesn't change The temperature of the gas increases The temperature of the gas decreases The mass of the gas decrease
From the Mn concentrations (3.56ppm and 3.71ppm) and uncertainty
an isolated quantity of an ideal gas at 294.2 k has a volume of 20.46 l at a pressure of 1.18 atm. what is the pressure
If you purchased 1.11 muCi of sulfur-35, how many disintegrations per second does the sample undergo when it is brand new
A sample of neon is collected at 2.7 atm and 12.0 degrees celcius. If has a volume of 2.25 L. What would be the volume of this gas as STP?
Calculate the pH of a sodium cyanide solution that is 0.37M NaCN. The Ka for hydrocyanic acid HCN is 4.00E-10.
A sample of Hydrogen gas was collected over water at 21 degrees C and at a pressure equal to the atmospheric pressure of 748 mmHg. The volume of the sample was 512 ml. How many grams of the H2 are in the sample. The vapor pressure of water at 21 d..
Calculate the specific rotation of the compound. An aqueous solution containing 7.33 g of an optically pure compound was diluted to 800.0 mL with water and placed in a polarimeter tube 15.0 cm lon
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