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(a)Because an exact outer boundary cannot be measured or even calculated for an atom, how are atomic radii determined?
(b) What is the difference between a bonding radius and a nonbonding radius?
(c) For a given element, which one is larger?
(d) If a free atom reacts to become part of a molecule, would you say that the atom gets smaller or larger?
an experiment was performed to determine the amount of pyridoxine (B6) in a vitamin tablet. A tablet weighing 0.4006g was dissolved in 25mL of solution
The interactions between water molecules can be define as electrostatic or coulombic where areas of positive charge are attracted to areas of negative charge. Depict a cartoon of how three molecules might be arranged in space given this electrosta..
Calculate the mass of NaCl when 20.0 g of sodium is used. sodium and chlorine react according to the equation : 2Na +Cl2 = 2NaCl
A balloon contains 0.128 mol of gas and has a volume of 2.76L. If an additional 0.073 mol of gas is added to the balloon (at the same temperature and pressure), what will its final volume be.?
The equilibrium constant for a reaction at 25 degrees Celsius is 4.7*10^-8. What is the change in G
Phosphate systems form necessary buffers in organisms. Compute the pH of a buffer made by dissolving .8mol of NaOH in .5L of 1M H3PO4.
The specific heat of an unknown metal is found to be 0.233 J/K g. The Law of Dulong and Petit predicts a molar heat capacity of 26 J/K mol. Use this law to estimate the molar mass of the metal.
Describe the article. b. Explain the article author's position regarding the CAFE fuel economy standards. Specifically, have the standards benefited the environment and caused growth in the U.S. economy?
the final step in the mechanism for the base promoted hydrolysis (saponification) of an ester is a deprotonation of a carboxylic acid by sodium hydroxide to give a carboxylate salt (RCO2Na)
A certain reaction has an activation energy of 63.62 kJ/mol. At what Kelvin temperature will the reaction proceed 4.50 times faster than it did at 347 K
Outline an energy level diagram showing the d-orbital splitting, and label all orbitals and give symmetry designations for the two d-orbitals sets.
Do the calculation using the law of corresponding states
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