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What approaches do we use to treat the inter electron repulsion part of the Hamiltonian for multi-electron atoms including helium and beyond.
Which of the following hand tools would be classified as "chiral?" Ignore any writing that might normally appear on the tool
what volume of bleach (6%w/v=6g/100ml) would be required to oxidize 5.0 mL of methanol (density 0.890 g/ml) to methanone?
what is the ph of the final solution and 10 ml of 0.100 m hcl is added to 40 ml of this buffer what is the ph
A 2.78 10-4 M solution of a compound has an absorbance of 0.451 at 520 nm in a 1.00 cm cell. The solvent's absorbance under the same conditions is 0.019. What is the molar absorptivity of the unknown compound
Calculate the standard-state entropy for the following reaction: 1 \rm CH_4(g) + 2 \rm O_2(g) \longrightarrow 1 \rm CO_2(g) + 2 \rm H_2O(l) (If applicable, coefficients of one have been included for clarity.)
what should this person do from this point on to get a reasonable yield of 1-octanol?
How is the rate of disappearance of ozone related to the rate of appearance of oxygen in the following equation: 2 O3 (g) ? 3 O2 (g) (rate expression)
Write a balance equation using the correct formulas and including conditions (s, l, g, or aq) for each of the following reactions: a) solid calcium carbonate decomposes to produce solid calcium oxide and carbon dioxide gas. b) Nitrogen oxide gas r..
In the first 12.0 s of the reaction, 1.8×10-2 moles of O2 is produced in a reaction vessel with a volume of 0.260 L. What is the average rate of the reaction over this time interval?
Chlorine dioxide, ClO2, is a reddish yellow gas used in bleaching paper pulp. The average speed of a ClO2 molecule at 25 degrees Celsius is 306 m/s. What is the kinetic energy of a ClO2 molecule moving at this speed?
One a cold day a person takes a breath of 450 ml of air at a pressure of 745 mm Hg and room temperature of 21oC. What is the volume of this air in the lungs at 37oC and 758 mm Hg?
a gas mixture contains 4.6 g ofN2, 8.8g of H2 and 16.6g of CH4. What is the mole fraction of H2 in the mixture
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