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What are the advantages of the Stock system of nomenclature over the former one?
What pressure would have to be applied to a 28.0mL sample of gas at 25°C and 1.00atm to compress its volume to 10.0mL at constant temperature?
A total of sixteen grams of steam at the temperature of 120 degree Celsius is admitted to the system. Determine the phase composition and temperature at the time when equilibrium is reestablished?
which produce no significant response to interfering ions. It is then used to measure the pH of 0.0100 M NaOH in 0.50 M NaCl at 25 degrees C. What is the observed pH under these conditions if the true pH is 1.13?
in the synthesis of divanillin the first step in the mechanism of this reaction involving vanillin is the formation of phenoxy radical by abstraction of the phenoic H atom
Titration of 15mL of 0.125M unknown base with 0.103M HCl required 18.2mL to reach the equivalence point. the pH at the equivalence point was 2.74.
The reaction of 0.130 moles of a metal with an acidic aqueous solution in a calibrated calorimeter causes the temperature to increase by 49.0°C.
What mass of NaCl must be dissolved in 65.0 grams of water to lower the freezing point by 7.50 °C? The freezing point depression constant, Kfp, for water is -1.86 °C/m.
Compute mass of Carbon dioxide formed from the decomposition of 59.0 grams of NaHCO 3 ?
how many grams of asprin were lost in the washing process you used to purify your product, assuming you used 50mL if water for washing? The solubility of asprin in water is 0.33g per 100mL at room temperature.
Calculate the partial pressure of hydrogen gas at equilibrium. and calculate the vaue of Kp for this reaction.
Calculate the number of moles of Cl atoms in 1.20×1024 of magnesium chloride, MgCl2.
Illustrate the structures of the 6 bromoalkenes (with the molecular formula C5H9Br ) that have a branched C chain, and that show neither chirality nor E,Z isomerism.
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