Answers edited by Truong-Son N.

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• One thousand grams of seawater would consist of how many grams of dissolved substances?
  
• A laboratory procedure calls for making 600.0mL of a 1.1M #KNO_3# solution. How much #KNO_3# in grams is needed?
  
• In a reaction of combustion of #H_2#, when #H_2# concentration is kept constant, the amount of #H_2# reacting increases. Explain the order of the reaction with respect to #H_2# and #O_2#?
  
• Can pi bonds overlap?
  
• What is a covalent bond in which electrons are shared equally called?
  
• How to predict hydroboration-oxidation?
  
• What is sigma bond metathesis?
  
• Draw the canonical structures of the following: ?
  
• Why can water be a Lewis base?
  
• Why is it when using bond enthalpies to calculate enthalpies of reaction, they are not always accurate and enthalpies of formation are preferred?
  
• How many electrons are present in a 4p orbital?
  
• In the Gibbs energy equation is "s" the symbol for entropy?
  
• If a neutral atom has 12 electrons, how many can be used for creating bonds?
  
• How do you draw propyne?
  
• As atomic orbitals form they require how many electrons to fill the orbital?
  
• What kind of compound would be least likely to dissolve in water?
  
• What is the instantaneous rate of change of #f(x)=1/(2x-5)# at #x=1 #?
  
• Can you predict the coordination number of an ion from the formula of an ionic compound?
  
• How many d orbitals can there be in one energy level?
  
• True or false? Decomposition does not involve the production of a new substance.
  
• When does hydroboration–oxidation in alkyne occur?
  
• How do alkenes react with bromine?
  
• How much heat was transferred in this process?
  
• How would you know if a cyclic organic molecule is planar?
  
• In which state of matter do molecules have the highest kinetic energy?
  
• What is a tosylate group?
  
• How would you calculate the pH of the #"0.39 M"# #"NH"_3# #"/"# #"0.73 M"# #"NH"_4"Cl"# buffer system?
  
• What role do elementary reactions play in determining reaction order with respect to each reactant? How is the mechanism related to how a rate constant for a complex reaction compares to that of a one-step reaction?
  
• How would you convert #g/(cm^3)# to #mL#?
  
• Give the action of the Clemmensen reduction on 2-butenal?
  
• Which is the stronger acid, #"HF"# or #"CH"_4#? Why does #"HF"# ionize but #"CH"_4# does not? What is the difference between ionization and dissociation?
  
• How do you name and draw 5 compounds that have the formula #C_7H_7Br#?
  
• What do solvents do to solutes? What phases can solutions be made of?
  
• Once phenol is nitrated, would the major organic product formed be: ortho, meta, para or a combination?
  
• Why is glucose an aldehyde?
  
• Is there any organic compound that can rebond?
  
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