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A chemist prepares a sample of hydrogen bromide and finds that it occupies 258 mL at 60 degrees celsisus and 476 Torr. What volume would it occupy at 0 degrees celsisus at the same pressure? Answer in units of mL to 5 decimal places.
If 155mL of wet {grm{H}}_2 is collected over water at 24 ^circ {rm C} and a barometric pressure of 739torr , how many grams of {grm Zn} have been consumed.
Determine how much heat is released when 14.8 kilo grams of Ethylene forms and The Hydrogen gas is collected over H2O(water) at a temperature of twenty five degree celsius and a total pressure =762 mmHg. (The ideal gas law constant R = 0.0821L*atm/..
Derive the general expression for the work per kilomole of a van der waals gas in expanding reversibly and at a constant temperature
How many grams of sucrose (C12H22O11) must be added to 509 g of water to give a solution with a vapor pressure 0.723 mmHg less than that of pure water at 20 degrees C.
Solutions of sodium carbonate and silver (I) nitrate react to form solid silver (I) carbonate and a solution of sodium nitrate.
Draw the accepted mechanism for each reaction and illustrate how each stereoisomer is formed in the reaction.
If a 190 mg piece of gold (density =19.32 g/cm^3) is hammered into a sheet measuring 2.1*1.0 ft, what is the average thickness of the sheet in meters?
A solution containing 10.mmol of CO3^-2 and 5.0 mmol. Of HCO3- is titrated with 1.0M HCL What total volume of HCL must be added to reach the second equivalence point?
What volume of 0.140 M Hydrochloric acid is required to neutralize 2.68g of Magnesium hydroxide.
A solution is prepared by mixing 66.7 g H2O with 33.3 g HOCH2CH2OH (ethylene glycol). What is the concentration of ethylene glycol in units of molality? The molar masses of water and ethylene glycol are 18.02 g/mol and 62.07 g/mol, respectively
Suppose that 160 g of ethanol at 30?C is mixed with 230 g of ethanol at 76?C at constant atmospheric pressure in a thermally insulated vessel.
How many grams of MnSO4 can be prepared from the reaction of 15.0 g of KMnO4 with 22.6 g of H2SO3.
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