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At 9.°C and 1.40 atm pressure, a sample of helium gas occupies a volume of 5.10 L. The sample is compressed and heated to 60.°C. Calculate the final pressure of the sample, if the final volume is 3.64 L.
Determine the final concentration if A 129 mL portion of that solution is diluted using water of 149 mL.
Determine how long will it take for a sample of N2O5 to decay to sixty percent of its initial value?
How much 0.230M KOH is required to completely neutralize 55.0mL of 0.220M HClO4
Diacetylferrocene, In the formation of diacetylferrocene, the product is always the one in which each ring is monoacetylated.
Explain the Reaction, If you treat an aldehyde wiith HCN you produce a cyanohydrin. For example
how many milliliters of .45M hydrochloric acid must be added to 25.0 mL of 1.00 M potassium hydroxide to make a neutral solution?
Draw all stereoisomers having molecular formula C6H12 that contain one double bond and give the IUPAC name for each compound
Determine what was the % of excess air used? If The reactant entered at 93 degrees Celsius and
The dipole moment and the normal boiling point of acetaldehyde (CH3CHO) are 2.7 D and 293 K, respectively. The dipole moment and the normal boiling point of n-octane (C8H18) are 0 D and 298 K.
An iron bar of mass 869 - g cools from 90 oC to 5 oC Calculate the heat released (in kilojoules) by the metal. ( specific heat = 0.44 J/(g. c)
Determine what is element Y if you have a compound consists of element "Y" and H, only and know that it is 79.89% element Y by mass. Each molecule has 3.00 times as many H atoms as Y atoms?
what is the theoretical yield of carbon dioxide when 56.0 g of methane is burned in a excess of oxygen, according to the equation CH4 2 )2 ->CO2 ,2H2o.
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