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Describe how the volume of an air bubble changes under high pressure.
The concentration which remains after 20 minutes is 80 mg/L. Determine the reaction order and the rate constant (with appropriate units).
What is the empirical formula of compounds: ethyne (C2H2) and styrene (C8H8). Explain the relationship between ethyne and styrene's empirical formulas and their properties.
what is the molar concentration of nitrous acid in a solution with a volume of 276 mL containing 17.1 grams of hydrogen nitrite?
What does the transition state theory attempt to describe about chemical reactions?
The sweetener is tested in a bomb calorimeter to determine its energy content per gram. When 5.278 g of the sweetener are combusted in a calorimeter with a heat capacity of 17.63 kJ/°C a temperature increase of 1.82 °C is measured. What is the ene..
A metal stand specifies a maximum load of 450 lb. Will it support an aquarium that weighs 59.5 lb and is filled with 37.9 L of seawater (d = 1.03 g/mL)?
Describe how thismethod will accurately identify the protein. Assume that you know the sequence of the protein and this it is an unmodified wild type sequence.
Calculate the vapor pressure of water, in torr, above a solution prepared by dissolving 60.20 g of PbCl4 in 421.0 g of water at 343.0 K. The vapor pressure of pure water at 343.0 K is 233.7 torr.
A swan can float on a lake with only 33% of its volume below the surface. What is the average density of the swan
Question- Draw (with structures, cofactors, co-enzymes, enzyme name, etc) the step(s) or pathway needed for activation of oleate (cis- ?9-octadecenoate or 18:1(cis-?9)) for entry into fatty acid ?-oxidation
An unknown compound gave a melting point at 200 Celsius. Explain when the molten liquid solidified, the melting point was re-determined and found to be 129 Celsius. Give a possible explanation for this discrepancy
The freezing point of an aqueous solution containing 15 g of a nonelectrolyte in 150 mL water is -5.4°C. What is the molecular weight of the compound? Kf = 1.86°C/m for water.
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