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Bromine has P vap= 400mm at 41.0 Celsius and a normal boiling point of 331.9K. Explain what is the heat of delta H vap of bromine in kilojoules per mole? In P2/P1=- delta H vap/R ( 1/T2- 1/T1)
A chemist adds 120.0mL of a 1.12mol/L silver nitrate solution to a reaction flask. Calculate the mass in grams of silver nitrate the chemist added to the flask
What is the pH of a buffer solution made by mixing 150mL of 0.200 M acetic acid and 150 mL of 0.100 M sodium acetate
determine the thermal efficiency and the required steam flow rate kgs for a reheat-regenerative steam power plant which
equilibrium at 25C with 5.82L of an aqueous solution of N2O(aq). what is mass of N2O whic is disssolved?
Compound Y contains only carbon, hydrogen, and oxygen. When a 1.000-gram sample of Compound Y is subjected to combustion analysis, 2.432 grams of CO2 and 0.574 grams of H2O are produced.
a 25.0 ml sample of river water was titrated with 0.00100 m na2cr2o7 and required11.5 ml to reach the end point. what
When sodium carbonate reacts with hydrochloric acid, the carbonic acid that is formed immediately breaks down into carbon dioxide and water.
what are the metabolic and physiological processes that increase the concentration of protons and carbon dioxide in the
superheated steam at a pressure of 40 bar and a temperature of500degc is supplied to the turbine of a rankine cycle.a
Agas company in Massachusetts charges $1.30 for 15.0 cubic ft of natural gas. (a) Convert this rate to dollarsper liter of gas. (b) It takes 0.304 cubic ft of gas to boil aliter of water, starting at room temperature (25 degrees), how much would i..
A sample of fluorine gas occupies 855 mL at 710 mm Hg and 1550C. What is the mass of the sample?
What is the pH of a buffer solution that is 0.211 M in lactic acid and 0.111 M in sodium lactate? The Ka of lactic acid is 1.4 × 10-4.
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