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How far below earths surface would you have to dig to experience an acceleration due to gravity of 10.025m/sec2
Explain what is the mole fraction of methane in the mixture. Assume that the water produced by the combustion is in the gaseous state.
how many grams of nog can be formed from 5.0 moles of nh3g if there is sufficient o2g to use all of the
Problem- What is the purpose of the hexane in the halogen displacement. Into which layer (water or hexane) would the following species reside.
1.how doesthe density ofa gasdepend on temperature?pressure? how doesit depend on the molar massof the gas?2.what is
How did changing the concentration of tert-butyl chloride affect the rate of the reaction. In part 1, we varied the concentration of the nucleophile in order to help determine the rate law.
How many valence electrons are there for the POCl3 molecule? Draw a reasonable Lewis structure for POCl3. Assign formal charges for the atoms in your Lewis structure. Draw a second legitimate resonance contributor for POCl3. Assign formal charges ..
Use the Causius Claperyon Equation to calculte the standard enthalpy of vaporization of ethnaol that its vapor pressure is 44.22 torr at 293 K and 350.8 torr at 333 K.
a sample of gas mixture from a neon sign contains 0.0856 mol ne and 0.0254 mol kr. what are the mass percentages of ne and kr in the gas mixture?
Permanganate ions, MnO4-, oxidize acetaldehyde, CH3CHO, to acetic acid CH3CO2H, and are reduced to MnO2. The reaction takes place in acidic solution.
What is the Freezing/Boiling point of 21.5g of NaCl in 139ml of water. Assume the vant hoff factor is 1.8.
Titanium(6.94x10^-19 J and silicon (7.77x10-^19 J) surfaces are irradiated with UV radiation with a wavelength of 245 nm. what is the wavelength of the electrons emitted by the titanium surface
If the temperature required for this process is 1600°C, what observations would you make considering the fact that the reaction occurs in biological processes
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