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The radius of an atom of gold (Au) is about 1.35A0
(a) Express this distance in nanometers (nm) and in picometers (pm).
(b) How many gold atoms would have to be lined up to span 1.0 mm?
(c) If the atom is assumed to be a sphere, what is the volume in cm3 of a single Au atom?
A manufacturer of bicycles has 4819 wheels, 2305 frames, and 2250 handlebars. How many wheels are left over? How many frames are left over? How many handlebars are left over? Which part limits the production of bicycles?
A set of two gas bulbs, with volumes of 500 mL and 300 mL, are connected by a closed stopcock. The 500 mL bulb contains 450 torr of Ne gas, and the 300 mL bulb contains 150 torr of Cl2 gas
Problem- If SRP's (reduction potential--E) correlate strongly with IE3 (third ionization energy) explain this trend-
If the binding energy of an electron in a hydrogen atom is 6.41?10^-19 J, what wavelength of photon is required to liberate it from the atom? Planck's constant = 6.626 ? 10^-34 J×s; c = 3.00?10^8 m/s
One mole of an ideal gas is subjected to the changes below. Calculate the change in temperature for each case
Give the structure of the products that you would expect from the reaction of 1-butyne with each of the following: a) 1 mol equivalent of BR2 b) 1 mole equivalent of HBr c) H2 in excess/Pt, then 3 mol equivalent of NaNH2 and then CH3I d) NaNH2 the..
In art of the Ancient Near East (Assyrian Art), sculptures often had carved eyes accented with shells set in bitumen, a black tar-like substance. Chemical analysis of bitumen by using a combustion reaction yields 6.575 g CO2 and 1.346 g H2O.
An interference filter is to be constructed for isolation of nitrobenzene absorption band at 1537 cm^-1 if it is to be based on first order interference, what should be the thickness of the dielectric layer
sodium bicarbonate is called baking soda because when heated it releases carbon dioxide gas which is responsible for
draw a lewis structure of the molecule and indicate the number of bonds and orbitals used in bonding. Show electron configurations of the central bonding atom in both the unhybridized and hybridized states.
Calculate the pressure that CCl4 will exert at 53°C if 1.00 mol occupies 34.2 L, assuming that CCl4 obeys the ideal-gas equation; CCl4 obeys the van der Waals equation.
At 22 °C an excess amount of a generic metal hydroxide M(OH)2, is mixed with pure water. The resulting equilibrium solution has a pH of 10.21. What is the Ksp of the salt at 22 °C?
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