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An anti sigma is formed from? a) Destructive interference of 2 "s" orbitals. b) Addition interference of 2 "s" orbitals. c) Destructive interference of 2 "Py" orbitals d) Destructive interference of an "s" and "Py" orbitals.
How to do I calculate the pH of original buffer given mass of NaC2H3O2*H2O (FW =136 g/mol) = 3.507 g
The molecules CO2 and SCL2 are both of the general molecular type AB2, but one is polar and one is not. Which molecule is polar?
280 mL of an HCl solution with pH of 3.10 is added to 200 mL of an HNO3 solution. The resulting pH is 1.4. What was the pH of the original HNO3 solution.
a sample of Ringer's solution contains the following concentractions (mEq/L) of cations: Na 147, K 4 and Ca2 4. If CI- is the only anion in the solution
Need help identifying molecular equations for these 13 chemicals! 1. iron (III) chloride + sodium hydroxide 2. Iron (III) chloride + copper (II) sulfate
When the base pair A=T in the middle of a short (20 nucleotide) synthetic duplex DNA strand was replaced with a. Z F base pair (shown below) the duplex was destabilized by about 13.4 kJ/mol.
a beam of microwaves corresponds to a flux of 1.1x100 x 1020 photons per second with a wavelength of 2.0 cm. calculate
A sample of nitrous oxide (N2O) has a volume of 12.5 L at standard temperature and pressure (STP).
The student then pipets exactly 3.10 mL of the solution into a 100 mL volumetric flask and dilutes to the line with FeCl3 solution. What is the ASA concentration of the final solution?
What is the fractional conversion of ethane? b) What is the production rate of ethanol?
Determine how much heat is evolved or absorbed when 25.0 of lithium iodide completely dissolves in water. Lithium iodide has a lattice energy of -7.3 X 10^2 kJ/mol and a heat of hydration of -793 kJ/mol.
A sample of rock is found to have a 235U/207Pb ratio of 1 to 15. From its minerology, we know that it contained no lead at the time when it first crystallized. How old is the rock
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