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Consider H2, D2, and H2O, treated as ideal gases as pressures of 1 atm and temperatures of 293.2 K. What are the molecular and mass densities of each.
What volume of H2 could be produced at a temperature of 19 oC and a pressure of 764 torr by the reaction of 2.98 g of aluminum with hydrochloric acid.
can you find out the name and formula of the unknown compound and determine the identity of the element?
A pipette is used to add 46 mL of 0.3 M Pb(NO3)2 to a 273.0 mL solution of 0.3 M NaF. Determine the equilibrium concentration of Pb2+(aq) in the final solution. Ksp(PbF2)=3.6E-8
Calculate the Î"S for a gas in a closed system that is an ideal monatomic gas initially at P= 5 atm, V=5L, and T = 310 K which expands to V= 10 L and its temperature is increased to 390 K
calculate the mole fraction of toluene in the solution that contains 126g toluene and 94g benzene
Distinguishing the given compounds by Infrared spectroscopy, Cyclohexene and 2-hexyne both have the molecular formula C6H10
An unknown compound contains only carbon, hydrogen, and oxygen (C_xH_yO_z). Combustion of 5.50 of this compound produced 8.07 of carbon dioxide and 3.30 of water.
carbon dioxide escapes due to A leak , leaving only 3.5 moles of CO 2 inside the balloon. Determine the new volume of the balloon?
A voltaic cell employs the following redox reaction: 2Fe3+(aq)+3Mg(s)--> 2Fe(s)+3Mg2+(aq+ Calculate the cell potential at 25 under each of the following conditions.
Calculate the number of carbon atoms in 4.56 grams of ethanol (CH3CH2OH).
When ammonia is burned in oxygen, free nitrogen gas and water are produced. What volume of ammonia will react completely with 25.0 L of oxygen? What volume of nitrogen gas is formed?
A fuel gas containing 22% CO, 13% CO and 65% N2 by volume is combusted with theoretic amount of air in a furnance to heat solid burden material.
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