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The barometric pressure in a cavern was measured using a mercury barometer. A value of 28.2 inches of Hg was obtained. What's this pressure in a) SI uunit of pressure and b) in atm unit? Round off answers to correct number of significant figures
certain metals can be extracted from their salts usually halides those containing group 17 elements such as chlorine
The compound has a molecular mass of 70. D) The compound contains a cyano or alkyne group. E) The compound contains a CO group
A solution is made that is 1.1×10^?3 M in Zn(NO3)2 and 0.150 M in NH3. After the solution reaches equilibrium, what concentration of Zn2+(aq) remains. [Zn2+]
The metal aluminum is made commercially from al2o3. what weight of Al goes 1.00kg of this metal oxide contain
if a diamond is made out of pure carbon and has a density of 3.52 gcm3 how large would a mole of carbon atoms in
Calculate the percent yield of benzophenone to triphenylmethyl reaction. started with 4.09g of benzophenone and ended up with .682g triphenylmethyl can anyone help me convert these into moles and calculate the yield
A 10.0 L sample of drinking water produces 0.1332 g of lanthanum(III) fluoride when excess La(NO3)3 soluton is added. What is the amount of F- in the water, in mg/L
Calculate the amount of heat released when 5.3 moles of steam at 100 degrees celscus turns to water at the same temperature
apply to separation of a solution containing pentanol (FM 88.15) and 2,3-dimethyl-2-butanol (FM 102.17). Pentanol is the internal standard.
A geological sample is found to have a Pb-206/U-238 mass ratio of 0.337/1.00. Assuming there was no Pb-206 present when the sample was formed, how old is it. The half-life of U-238
Iron has a density of 7.9 g/ cm3. What is the mass of a cube of iron with the length of one side equal to 55.0 mm.
Imagine gaseous Ar at 298 K confined to move in a two-dimensional plane of area 1.00 cm^2. What is the value of the translational partition function
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