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what Spartan is doing when it performs a geometry optimization (hint: energy minimization) of a molecule and what kinds of structural changes can result.
Find out the concentration of this solution in a)M (molarity), b) m (molality), c) % w/w (percent by mass). If solvent =, H 2 O.
Calculate the concentration of ethanol in wine in terms of mass percent and molality. mass percent? answer in % molality? answer in mol/kg
What is the maximum amount of silver (in grams) that can be plated out of 4.8 {rm L} of an {rm{AgNO}}_3 solution containing 3.6 % {rm Ag} by mass? Assume that the density of the solution is 1.01.
Calculate w (in kJ) when 376 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 335 K:
Water (2290g ) is heated until it just begins to boil. If the water absorbs 4.99×10^5J of heat in the process, what was the initial temperature of the water.
If the measured gas pressure in a collection flask during a gas-forming reaction was determined to be 1.44 atm, and the atmospheric pressure that day was measured as 0.95 atm.
What volume of glacial acetic acid (d= 1.06g/ml) and what weight of solid potassium acetate are required to prepare 5 liters of 0.2M acetate buffer
The Henry's Law constant of methyl bromide, CH3Br, is k = 0.159 mol/(L • atm) at 25°C. What is the solubility of methyl bromide in water at 25°C and at a partial pressure of 250. mm Hg?
a gas mixture consists of N2, O2, and Ne where the mole fraction of N2 is .55 and the mole fraction of Ne is .25. If the mixture is at STP in a 5.0 L container, how many molecules of O2 are present.
A sample of gas occupies 721 mL at 1.00 atm. The pressure is increased to 1.1 atm (the temperature stays the same). What is the new volume of gas in mL?
RNAse is an enzyme that cleaves the P-O5\' bond in RNA. It has two His residues in the active site. Suggest a plausible explanation
Compare the amount of .200 moles of KOH needed to neutralize 50 mL of .200 moles of HNO3 with the amount of .200 moles of KOH needed to neutralize 50 mL of .200 moles of CH3COOH. Is the volume of KOH more, less or the same.
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