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Calculate the molality (m) of a 7.25 kg sample of a solution of the solute ethanol dissolved in the solvent water if the sample contains 53.2 mol of C2H5OH.
What sign. info about atomic structure came from the Millikan experiment using charged oil drops
How much heat energy is required to convert a 1.00 L block of ice at -40.00 degrees Celsius to steam at 250.0 degrees Celsius?
mixed in water and treated with 53.20 mL of 0.1030 M I2 (253.80amu) according to the equation C6H8O6 (s) + I2 (aq) ----> C6H6O6 (aq) + 2HI (aq)
determine how many grams of CaH 2 are required to generate 145 Litres of hydrogen gas if the pressure of hydrogen is 825 mm Hg at temperature of twenty one degree Celsius? .
It takes 46.0 to raise the temperature of an 11.2 piece of unknown metal from 13.0 to 25.0. What is the specific heat for the metal?
sample of sodium reacts completely with 0.142kg. of chlorine forming 234 g. of sodium chloride. what mass of sodium
Each cube measure 2.0 cm on each side.After you carefully lower each cube into the water of its own cylinder, what will the water level be in each cylinder?
How many moles of (NH4)2SO4 are there in 100.00 g of ammonium sulfate? How many ammonium ions are in 100.00 grams of ammonium sulfate? Use Avogadro's number, 6.0221 x 1023 ions/mol.
According to the solubility rule, silver will precipitate with SO42- but doing my lab i found no precipitation when i added AgNO3
all of the common noble gases are monatomic and low-boiling. their boiling points in c are ne -245 ar -186 kr -152 xe
Calculate the pH when 16.00 mL of 0.100 M sodium hydroxide is added to 10.00 mL of a 0.100 M phosphoric acid solution.
If your titration solution is 0.431 M in NaOH, and the endpoint occurs at 13.20 mL of titrant, how many mmol of NaOH are required to reach the endpoint
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