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A flask is filled with 1.20 of argon Ar gas at the temperature of twenty five degree Celsius . A sample of C2H6 ethane vapor is added to the same flask until the total pressure =1.45 atm then determine the partial pressure of Ar, argon gas in the flask?
Explain why it takes longer time when anyone cook an egg in boiling water while camping at in elevation of 0.5km in the mountain than it does it home.
What is the total energy of the photons detected in a period of one hour If a radiation detector is capturing 8 X 10^7 photons per second at this wavelength,?
Calculate the specific heat capacity of a sample liquid if this 100 g sample of an unknown liquid absorbs 2000 J of heat energy, raising the liquid's temperature from 50 degree Celsius to 70 degree Celsius?
At the temperature of twenty five degree celsius when 1.00 g of sulfur is burned at constant pressure in an atmosphere of oxygen to give SO 2 , and 9.28 kJ of heat is liberated. Determine the ΔHfo of SO 2 ?
These 3 solutions including 2.362 g of Rb2S, 1.635 g of NaClO 4 , and 0.796 g of CuCl 2 , respectively are combined together? now calculate what would be the mass of this precipitae?
Determine the mass of phosphorus (P) is required to make 39 grams of this product?
A flask contains 0.350 grams of liquid Br( bromine). calculate the number of (Br)bromine molecules present in the flask
Calculate how many moles of gas was in the bicycle tire when the total volume of gas collected is 5.60L{rm L} at a pressure of 765torr{rm torr} and a temperature of 25 °C^circ {rm C}.
Find out the exact significant figures for each of the values - Indicate the number of significant figures
Write balanced chemical equation and evaluate the molecular weight of the reactants and Calculate the molecular weights of the reactant.
Dissolves via the reaction and the temperature of the solution raises to twenty six degree celsius.compute the enthalpy change, , for this reaction per mole.
Determine the volume of 0.375 mol of C4H10 gas under the same temperature and pressure conditions?
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