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Want to heat air in ur house with CH4 (methane). the house has 275 meter square of floor area and height of 2.5m (between floor and ceiling). the air has specific molar heat capacity of 29.1J/mole K. the molar mass of air is 29.9g/mole and density of air at these temp. is 1.22 g/L. how much methane do u have to heat the sir from 15 centigarde to 22 centigrade?
suppose that a particular reaction evolves heat of 228 kj and that 40 kj of pv work is gained by the system. determine
determine at what pressure will pure H 2 O start to boil if its temperature is seventy five degree Celsius
Cyclopropane contains 85.7%C and 14.3% H by mass. At 50C and .984 atm pressure, 1.56g cyclopropane has a volume of 1L. What is the molecular formula?
Consider a solution resulting from the mixing of precisely 50.0 mL of 2.0 M NaOH with 50.0 mL of 2.0 M HCl. Will the mixture be corrosive and damage the skin or will it become a salt solution that is safe enough to drain down the sink.
You have a solution made by dissolving 1.5230g of solid Na2(C2O4) and diluting to a volume of 250.00mL: How many moles of sodium ions are contained in this solution
solute a has a partition coefficient of 3 between toluene and water with 3 times as much in the toluene phase. suppose
a mixture of n2 o2 and co2 has a total pressure of 791. torr. in this mixture the partial pressure of n2 is 115. torr
a white solid remains in centrifuge tube after acetone extraction-it fizzes when hydrochloric acid is added suggesting sodium carbonate was formed-
Heptane can appear harmless, but when ignited, it explodes violently. What is the first law of thermodynamic?
Consider the controlled potential electrolysis of an Zn2+ solution using the following electrochemical cell set to -1.207 V: SSCE || Zn2+(aq)| Zn(s) 3.440 Coulombs of charge is collected in the electrolysis of a 50.00 ml solution.
Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains .0011% Pb by mass. What volume of water in mL contains 115 mg of Pb
The Ka of butyric acid, C3H7COOH is 1.5 x 10-5. What is [C3H7COO-] in a 0.397 M solution of C3H7COOH
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