Answers created by Chuck W.
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Which of the forces of molecular attraction is the weakest: hydrogen bond, dipole interaction, dispersion, polar bond?
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How does electronegativity affect ionic bonding?
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How does the ideal gas law differ from the combined gas law?
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Is fractional freezing a separation technique for mixtures?
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How does a solute affect the freezing point?
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How does pH affect the change in free energy for a reaction?
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What is the oxidation state of chromium in Cr (2+)?
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How do ionic compounds form?
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How does delta G affect keq?
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How can I calculate the molarity of a saturated solution?
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How can I read the potential energy diagrams when there is thermal energy?
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How do Van der Waals forces affect the boiling point of helium?
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How does molality affect the boiling point?
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What is hybridization?
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What are the three states of matter?
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Question #1d888
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What is relative motion?
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Why is the ideal gas law useful?
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How can I solve projectile motion problems without initial velocity?
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What are some examples of thermal expansion?
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Question #5fa1e
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Question #e35ee
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Why are covalent compounds often simple molecules?
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How did J.J. Thomson know the electron was negative?
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How does the octet rule apply to ionic compounds?
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Why is density constant?
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How can endothermic reaction be spontaneous?
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How do you calculate buffer pH for polyprotic acids?
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How can elements be broken down?
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0.10 mol of solid sodium hydrogen carbonate and 0.20 mol of solid sodium carbonate are dissolved in the same beaker of water, transferred to a volumetric flask and made to 250.0 mL. The Ka for HCO3 - is 4.7 x 10-11.
What is the pH of the resulting buffer?
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Question #6b066
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Question #63929
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How do you measure concentration from absorbance?
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Question #cd9d1
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What is unit conversion?
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Why is the conjugate base of a strong acid weak?
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How does electronegativity impact polarity of molecules?
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How do changes of state establish equilibrium?
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How do electron configurations affect properties and trends of a compound?
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How many bonding orbitals are there in #PCl_3#?
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How can freezing point depression determine purity?
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Question #79c2b
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How do you do gas stoichiometry problems at STP?
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How do you calculate pH from acid dissociation constant?
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How do you determine pH at an equivalence point?
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Question #9759d
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Why is the pH scale 0-14?
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Why is burning wood exothermic? I thought the wood is taking in heat to burn, therefore endothermic. However, it then gives off heat which makes it exothermic. Which is it?
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How do intermolecular forces affect evaporation rate?
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Question #bb7a9
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Question #0ec01
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Question #cd9d5
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How are antibonding orbitals formed?
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How are bonding orbitals formed?
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How do you derive Planck's constant?
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How is planck's constant used in the photoelectric effect?
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How is gibbs free energy related to enthalpy and entropy?
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How do covalent bonds conduct electricity?
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How do you calculate percent dissociation?
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How does neutralization reaction differ from using a buffer?
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What is an electrochemical cell that generates electrical energy?
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Question #e2e62
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How do you convert grams to mole?
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If an electrode reaction has dissolved oxygen as a reactant, is the electrode and anode or a cathode?