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What is the chemical formula for a compound containing half as many barium atoms as iodine atoms?
What is the molarity of 2500. mL of a solution that contains 160. grams of NH4NO3?
what vibrational bands would be prominent in the Ir spectra of 3-aminoacetophenone and 1-(3nitrophenyl) ethanol?at approximately what frequency
If a sample of 6.022 g of CH4 is enclosed in a 30 L container at 402 K. What is its pressure in atmospheres?The volume is reduced to 12 L at constant temperature. What is the new pressure in atmospheres.
If the acid dissociation constant, Ksuba, for an acid HA is 8 x 10^-4 at 25 degree C, what percent of the acid is dissociated in a 0.50 M solution of HA at 25 degree C?
what is the total pressure in a canister that contains oxygen gas at a partial pressure of 804 mm Hg, nitrogen at a partial pressure of 220 mm Hg, and hydrogen at a partial pressure of 445 mm Hg.
Calculate the pressure of a helium sample at -207.3°C and 768 mL if it exerts a pressure of 175 kPa at 25.0°C and 925 mL
what is the balanced equation with notations for steam reacting with solid carbon to form the gases carbon monoxide and hydrogen.
The volume of potassium permanganate required to titrate 10 mL of the new hydrogen peroxide (mL):20mL (c) Calculate the concentration of H2O2 from the volume of KMnO4 used and the stoichiometry of the reaction (MW of H2O2 is 34.01).
If you have 60.5 g NH3, how many grams of F2 are required for complete reaction?
how much energy is required to warm 100g of H2O from 20 degrees celcius to 80 degrees celcius if it is initially in a 140g glass flask? the specific heat of water is 4.18 J/g degree celcius.
How many milliliters of O2 are consumed in the complete combustion of a sample of hexane, C6H14, if the reaction produces 789. mL of CO2? Assume all gas volumes are measured at the same temperature and pressure.
If you drop 25 g warm nails initial temp 65.4 into coffee cup calorimeter that contains 100.0 g water at 20 degrees Celsius, what will the temperature be.
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