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How much heat (in kJ}) is evolved in converting 1.00 {mol} of steam at 160.0C to ice at -55.0C? The heat capacity of steam is 2.01 {J}}/{{g.C}} and of ice is 2.09 {J}}/{{g.C}}.
Calculate the heat that must be supplied to 10.8 g of Ne at .15 atm to raise its temperature from 28C to 51C at constant pressure. Assume that neon behaves as an ideal gas.
Identifying Organic Compounds, A colorless liquid A (C3H6O) was soluble in water and ether, and had a boiling point of 94-96 degrees Celsius. It decolorized a Br2-CH2Cl2 solution and gave a positive ceric nitrate test
find the molarity when 7.85 moles aluminum chloride are dissolved in enough water to make a total of 600. mL
50.50 mL of 0.116 M HF is titrated with 0.1200 M NaOH. What is the pH after 50.50 mL of base have been added? The Ka for HF is 6.8 x 10-4
What volume of a 6.16E-2 M potassium hydroxide solution is required to neutralize 19.8 mL of a 0.107 M hydroiodic acid solution.
N2H4+3O2----2NO2+2H2O The limiting reagent is O2 how many kg of NO2 are produced from the reaction of 75kg of the limiting reagent.
By what factor (how many times) will the rate constant increase when the temperature is raised from 10°C to 28°C?
A sample of water is collected over water at a total pressure of 616.8 mmHg at 300 C. The vapor pressure of water at 300 C is 31.8 mmHg.
Describe Alkene Products, When tert-pentyl bromide is treated with 80% ethanol, the amounts of alkene products indicated below are detected on analysis.
Use the density of copper (8.95 g/cm3) and its molar mass (63.55 g/mol) to calculate an approximate atomic radius for copper.
At a certain temperature, a volume of 100 mL of saturated barium carbonate solution contains 0.00216 g of BaCO3 (MW=197.3 g/mol).
What mass of ethylene glycol, HOCH2CH2OH, must be dissolved in 4.510 kg of water to result in a freezing point of 18.0°C? What is the boiling point of the same solution?
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