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A graduated cylinder contains 18.5 {rm mL} of water. What is the new water level after 30.0 {rm g} of silver metal with a density of 10.5 {rm g/mL} is submerged in the water?
For the following reaction, label the acid, base, conjugate acid, and conjugate base. Given the following values for Ka, circle the stronger acid and stronger base and predict whether the equilibrium is toward the reactants or products.
The equilibrium internuclear distance of deuterium iodide, DI, is 160.4 pm, where 1 pm = 1x10-12m.The relevant atomic masses are: mD = 2 amu and mI= 127 amu
Five hundred liters of a gas are cooled from 20°C to 10°C while the pressure remains constant.what the new volume will be?
Write the condensed electron configurations using the noble gas convention for each of the ions in Kl, BaO, Rb2O, and AlCl3. Which of these ions are isoelectronic with Ar
when the explosion destroys the bomb casing the gas is released into the atmosphere where it reaches a pressure of 1.00 atm. what is the volume of the gas after the explosion? assume constant temperature and number of moles.
A mass of 0.750 g calcium chloride is diluted with 975 g H2O. What is the chloride ion concentration (in ppm)?
the lethal inhalation does of sarin for a 200lb person has been determined to be 0.0015 mg. determine the ld50 of sarin
100.g of ice at 0C are added to 300.g of water at 25°C. Is it sufficient ice to lower the temperature of system to 0°C and still have ice remaining
A zero order chemical reaction with a rate constant of 0.0178 M/s has an initial concentration of 1.82M. Determine the time required for 80
how many grams of h2o g are theoretically produced from 1026.9 g of sucrose c12h22o11 g and an excess amount of
Given that delta r H = 40.67 kj/mol for vaporization of H20 at 100 degrees celcius, what is delta S tot for vaporization of 1 mol of water at 1 bar pressure at 125 degrees celcius? Is this process spontaneous?
Calculate the percent by mass of aluminum in the sample. The vapor pressure of water at 20 degree C is 17.5 Torr.
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