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A 8.0-L sample of helium is held at constant pressure. If the temperature is changed from 41 degrees C to 35 degrees C, then what would the new volume be?
How many total moles are produced when 0.595 mol of methanol (CH3OH) are combusted in oxygen to produce carbon dioxide and water
a mixture containing 235 mg of helium and 325 mg of neon has a total pressure of 453 torr. what is the partial pressure of helium in the mixture?
On prolonged heating with concentrated hydrochloric acid, 2, 2-dimethyl-1-propanol, a primary alcohol, reacts to give 2-chloro-2methylbutane. provide a stepwise mechanism for this reaction
how do the densities of metals can be calculated? could this method be used for determining the density of mercury as
Calculate the energy difference (E) for the transition from n = 1 to n = 4 energy levels of hydrogen per 1 mol of H atoms.
The molar mass of a compound is 360. If the empirical formula is NO, what is the molecular formula
the speed of sound in air is 344 ms at room temperature. the lowest frequency of a large organ pipe is 30 s-1 and the
1.at what ph is amino acid glycine with ka of 2.51 x 10-10 66 dissociated2. what is the ph of a solution made by mixing
assume that the wet limestone process requires 1 metric ton of caco3 to remove 90 of the sulfer from 4 metric tons of
Hexane has a normal boiling point of 68.7 degrees C. what is the mole fraction of a nonvolatile solute in a hexane solution which has a vapor pressure of 600 torr at 68.7 degress C
Procedure General flow and logic Temperatures Times Solvents Techniques used to make the products At least one test (your choice) to verify your product the reaction of 2 methyl 2 octene with HBr reacting with heat and CH3Br
Calculate the change in molar enthalpy and molar internal energy when carbon dioxide is heated from 15 degrees Celsius to 37 degrees Celsius
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