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The alkyl chains of fat molecules can readily rotate about their carbon-carbon single bonds, giving them freedom to change their conformational shape. What is different about the carbon-carbon double bonds of unsaturated fat molecules, preventing interconversion of cis and trans forms?
How to write the following calculations and report each answer with the correct number of significant figures.
Consider the isoelectronic ions Cl- and K+. Use Equation 7.1 and assuming that core electrons contribute 1.00 and valence electrons contribute nothing to the screening constant,S , calculate for these two ions.
Find the activity coefficient of H+ in a solution containing 0.010M HCl plus 0.040M KClO4. What is the pH of the solution?
A gas expands in volume from 26.7 mL to 84.9 mL at constant temperature. Calculate the work done (in joules) if the gas expands against a constant pressure of 4.8 atm.
the burning of ethane produces both co2 and h2o. if 200 ml of co2 is produced at 20degc and 750 torr what volume of
a gas sample containing 1.47 mol at 25degc exerts a pressure of 401 torr. some gas is added to the same container and
For which of the following would a dipole-dipole interactions play an important role in determining physical properties in the liquid state. a) BF3 b)ClF c) BeCl2 d)F2 e)CCl4
A serving of Grape-Nuts cereal (5.46g) is burned in a bomb calorimeter with a heat capacity of 43.1 kJ/degrees C. During the combustion, the temperature of the water in the calorimeter increased by 1.76 degrees C. Calculate the energy content (in ..
The solute increases the volume of the solution, and an increase in volume requires an increase in the temperature to reach the boiling point (derived from PV = nRT).
Question- The IR infrared spectra of two pure compounds (0.010 M compound A in solvent, and 0.010 M compound B in solvent) are shown to the right. The path length of the cell is 1.00 cm. Note that the y axis in the spectra is transmittance rather ..
Find the balance reaction and the corresponding E for the oxidation of Fe+2 by dissolved oxygen, O2
The RUBISCO catalyzed reaction is: a. Exergonic, because Ribulose-,5-biphosphate has enormous energy charge built up from previous phosphorylations
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