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Full combustion of a 1.05 gram sample of the compound with the stoichiometric amount of oxygen gas produces a mixture H20 (g) and CO2(g). Explain what is the pressure of this gas mixture when it is contained in a 3.00 liter flask at 127 oC?
The de Broglie wavelentgh of an electron is 8.7 x 10^-11m. The mass of this electron is 9.1 x 10^31 kg. What is the velociy in m/s of this electron (h = 6.63 x 10^-34 J-s)
For a formaldehyde and bisulfite reaction, discuss in detail the effect of changing the concentration on reaction rate with respect to each reactant
Determine the dilution of the stock bleach solution (NaOCl). The bleach you will be using will be somewhere around 5.5% (weight/volume). Convert this to molarity.
What is the partial pressure of argon, in torr, in a container that also contains neon at 147 torr and is at a total pressure of 536 torr?
Which of the following statements regarding the Bohr model of the hydrogen atom is incorrect?
The vapor pressure of water is 0.196 atm at 60 C. What is the equilibrium constant for the transformation H2O (l)--><--H2O (g)
Write the expression for the equilibrium constant, Kc, for the following chemical reaction.
The laser pointer emits light because electrons in the material are excited (by a battery) from their ground state to an upper excited state. When the electrons return to the ground state they lose the excess energy in the form of 670 nm photons
In an adiabatic compression if one mole of an ideal gas with a Cv=5R/2, the temperature rises from 293 K to 325 K. Calculate the heat, work, change in enthalpy and change in internal energy
Draw the valence electron structures (Lewis structures) for the following atoms: Magnesium, Carbon, Bromine, Neon.
Why is it not possible to use acetic acid rather than formic acid in the Eischwieler-Clarke reaction. Look at the mechanism step involving transfer of a hydride (hydrogen w/ a pair of electrons. What part of formic acid is missing in acetic acid?)
A 285- flask contains pure helium at a pressure of 750 . A second flask with a volume of 470 contains pure argon at a pressure of 716 .If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of h..
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