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The particles of air inside a room number around 10^28.
a. Is it possible for all of these particles to be found in one corner of the room and why?
B. Would the answer change if there was only five air particles in the room.?
calculate the pH of the resultant solution: (a) 0.00 mL, (b) 5.00 mL, (c) 25.00 mL, (d) 45.00 mL, (e) 50.00 mL, (f) 51.00 mL.
When a particular metal is illuminated with photons, one electron is observed for each absorbed photon. What effect would decreasing the wavelength and number of photons, have on the electrons leaving the surface
question if the work function for a metal is 1.8 ev what would be the stopping potential for light having a wavelength
Assuming that the specific heat capacity of the solution is the same as for water, calculate the heat transfer from system to surroundings, in kilojoules
Thus, as long as the concentrations of HA(aq) and A-(aq) are not consumed, the pH change is minimal compared to addition to a non-buffer solution. Why is the buffer most effective when pH = pKa?
Show the chemistry involved in dissolving iron(II)hydroxide with a strong sodium cyanide solution.
a 7.5- sample of hydrogen gas completely reacts with 60.0 of oxygen gas to form 67.5 of water. is the following data
Draw a separation scheme for isopentyl acetate from its reactants (isopentyl alcohol, glacial acetic acid, and concentrated sulfuric acid)
Suppose that you designed a spacecraft to work by photon pressure. The sail was a completely absorbing fabric of area 1.0 km^2 and you directed a red laser beam of wavelength 650 nm on it from a base on the moon. What is the (a) force, (b) pressur..
Label the stronger cojugate base [A] H3PO4; phosphoric acid; Ka= 7.5 X 10^-3 or HCOOH; Formaric acid; Ka= 1.8 x 10^-4 [B] CHOOH; Formaric acid; Ka=1.8 x 10^-4; or C6H5COOH; benzoic Acid; Ka= 6.5 x 10^-5
if oxygen gas were collected over water at 22 c and the total pressure of the wet gas were 650 mm hg what would be the
The strengths of oxidants and reductants on opposite sides of redox equations correlate oppositely. For a strong reductant Eored should be negative.
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