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calculate the milliliters of 0.124 M KOH required to neutralize 46.0 mL of 0.200 M HNO2-?
A compound containing only carbon, hydrogen, and oxygen is subjected to elemental analysis. Upon complete combustion, a 0.9294-g sample of the compound
Calculate the final temperature when a 29.0 gram sample of ice at 0oC is placed into a styrofoam cup containing 115 grams of water at 75.7 oC. Assume that there is no loss or gain of heat from the surroundings.
10.00 mL of a solution containing 0.17 M NaCl and 0.23 M AlCl3 is introduced into a fully charged cation exchange column. How many moles of hydronium ions will be released by the column?
How many molecules of carbon dioxide are produced when 123 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water.
In the reaction between glucose and oxygen 10.0 g of glucose reacts and 7.50 L of carbon dioxide is formed. What is the percent yield if the density of CO2 is 1.26 g/L?
A solution of ethanol (C2H5OH) in water is prepared by dissolving 57.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 255.0 mL of solution.
When 83.6 joules of heat is added to 2 grams of water at 10 degrees Celsius, the temperature of the water increases to what value?
At a pressure of 1.00 atm and a temperature of 20 degree Celsius, 1.72 g CO2 will dissolve in 1 L of water. How much CO2 will dissolve if the pressure is raised to 1.35 atm and the temperature stays the same?
a 97 gram solution of silver nitrate contains 21 grams of AgNO3. what is the percent by mass of silver nitrate in this solution?
Draw the isomeric alcohols (C6H14O) that can be synthesized via a sodium borohydride reduction of an aldehyde.
A liquid has a H vaporization of 35.5kJ/mol and a boiling point 0f 122 degrees celcius at 1.00 atm.What is its vapour pressure at 109 degrees celcius.
How much thermal energy transfer is required to vaporize 1.0 metric tone of ammonia?(1 metric ton = 10^3Kg). The delta H vaporization for ammonia is 25.1KJ/mol.
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