Answers created by Truong-Son N.

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• How do you balance #LiAl(OH)_4 + H_2O -> LiOH + Al(OH)_3 + H_2O#?
  
• What is the melting point of meso-stilbene dibromide?
  
• What is the limit as #x->pi/2# of #(1+2cotx)^(tanx)#?
  
• Question #22d95
  
• How can benzene be converted into acetophenone?
  
• What happens to the speed of a wave if the wavelength decreases and frequency stays the same?
  
• How do you draw a newman projection of the most stable conformation of 2R,3S-dibromobutane sighting down the #C_2-C_3# bond? Is this optically active, racemic, dextrorotatory, or a meso compound?
  
• How do you use TTPE to predict bond angles?
  
• What does it mean to have a large specific heat capacity?
  
• How do you write out the mechanism for the reaction of #"C"_5"H"_11"OH"# with hot sulfuric acid to determine which option gives the greatest number of isomeric alkenes?
  
• What is the Lewis electron dot formula (Lewis structure) of Nitrous Oxide (#N_2O#)?
  
• How many structural isomers of #C_3H_9N# exist?
  
• What is placed between a molecule's resonance structures to indicate resonance?
  
• Can oxidation happen without reduction in a chemical reaction?
  
• What fraction of the orbitals in #"1 mol"# of #"Mg"# atoms in a metallic network are occupied at #"0 K"#?
  
• Question #268a8
  
• How could you distinguish between the following pair of compounds from their IR spectra? #"HOCH"_2"CH"_2"CHO"# (3-hydroxypropanal) and #"CH"_3"CH"_2"COOH"# (propanoic acid)
  
• What does the "2, 3" part of this compound mean? 2,3-dimethylbutane.
  
• Why are alkyl groups said to be electron "releasing" (also known as electron "donating") compared to hydrogen when talking about carbocations?
  
• What is the mass spectrum?
  
• Nitric oxide, #"NO"#, is made from the oxidation of #"NH"_3# as follows: #4"NH"_3 + 5"O"_2-> 4"NO"+ 6 "H"_2"O"#. If #"9.6 g"# of #"NH"_3# gives #"12.0 g"# of #"NO"#, what is the percent yield of #"NO"#?
  
• How would you distinguish between ortho and para nitrophenol using infrared spectroscopy?
  
• What is the oxidation product of thiols?
  
• What is the Lewis structure for #"Ca"^(2+)#?
  
• What makes something a lewis acid or a lewis base?
  
• How do you remove benzene from water?
  
• Beryllium has an atomic number of #2#. What is its electron configuration? Will it lose #2# electrons or gain #6# to form an ion?
  
• What is oxidative cleavage?
  
• How do you name acids?
  
• The pH of 0.02 M solution of an unknown weak acid is 3.7, how would you find the pka of this acid?
  
• How does a terminal alkyne react in a Grignard reaction, will the carbonyl carbon attack the terminal carbon?
  
• What does the N designation mean in organic chemistry? For example: N-hydroxymethylurea?
  
• Is CO a lewis acid?
  
• What are isothermal, adiabatic, and isovolumetric processes?
  
• Which is more reactive towards nucleophilic attack, an aldehyde or a ketone? Give at least one reason why
  
• What are examples of lewis structures that violate the octet rule?
  
• What is the structure of (Z)-1-chloro-1-fluoro-1-butene?
  
• Why is isopropyl alcohol used to zero the spectrophotometer?
  
• How can you tell the difference between sp3, sp2, and sp hybridization?
  
• What is Standard Temperature and Pressure (STP)?
  
• What is the best approach for editing a question that is flagged "needs more explanation"? If substantial additional information is required, it may become an entirely new answer. Is it better to overwrite the original answer, or provide a new one?
  
• Sometimes I see really basic questions on Socratic. Why should I spend time answering these?
  
• Question #df47e
  
• Why should we think twice before answering questions with phrases such as, "it's really simple" or "the solution is very easy"?
  
• How to convert CH3-CHBr-CH3 into CH3-CHOH-CH2Br ?
  
• How is cubane synthesized? Which atom could I call the central atom to determine the molecular geometry?
  
• How can I calculate the enthalpy of a reaction?
  
• What are the steps to this basic thermodynamics equation?
  
• How would you make ethyl ethanoate?
  
• Are enthalpy and entropy affected by temperature?
  
• What is the total angular momentum quantum number?
  
• What is an example of hydroboration with #"BH"_3# in alkene ?
  
• How can I include the words molecule and mole in an equation without looking like this #molecule# and #mole# ?
  
• Question #c12d0
  
• Question #45cd0
  
• Why is the Bohr model obsolete and what can it still be used for?
  
• In a chemical reaction, what is the mass of the product ?
  
• How many electrons are in a neutral lithium atom?
  
• A gas is contained in a cylinder with a pressure of 120kPa and is initial volume of 0.66. How much work is done by the gas as it expands at constant pressure to twice its volume, or is compressed to one-third its initial volume?
  
• Why is #"AlCl"_3# a Lewis acid? What happens to its geometry after bonding with another atom?
  
• What is the IUPAC name ?
  
• Nitration of the aromatic ring of 4-methoxyacetophenone yields only one product. What is that product and how can you account for its formation?
  
• In a second order reaction, the concentration of #A# has dropped to #"0.020 M"# in one hour. If the initial concentration of #A# is #"0.050 M"# and that of #B# is #"0.080 M"#, what is the rate constant? What then is the half-life, if #[B]# is held fixed?
  
• For the cell #"Cd"|"Cd"^(2+), "NO"_3^(-)||"H"^(+), "ClO"_4^(-), "Cl"^(-) | "C"#...?
  
• What are common mistakes students make with nucleophilic substitutions?
  
• What is the difference between a base and a nucleophile?
  
• How can electronegativity be measured?
  
• What is the product of the thermal decarboxylation of dimethylpropanedioic acid (dimethylmalonic acid)?
  
• What is the mechanism for synthesis of tetraphenylcyclopentadienone?
  
• Why is biphenyl formed as a by-product in a grignard reaction?
  
• How does uncertainty apply to chemists?
  
• #(1)# T/F Do all lipids have a hydrophilic head and hydrophobic tail? #(2)# How is a rate constant related to the Gibbs' free energy of activation, #DeltaG^‡#?
  
• How do you calculate the electronegativity of a molecule?
  
• Why are aromatic aldehydes less reactive than aliphatic aldehydes?
  
• What is the product of the oxidation of a ketone?
  
• Why is the reaction of alkanes with iodine thermodynamically unfavorable?
  
• What electron configuration represents an atom in the excited state?
  
• What is the difference between aryl and alkyl phenyl?
  
• What is the major difference between a cyclic hemiacetal and a cyclic acetal?
  
• Why is density a useful property to know when one wants to identify a substance?
  
• Explain a single-replacement reaction with an example?
  
• How would you write an equation for the hydrogenation of glyceryl trilinolenate?
  
• How do anhydrides react with water?
  
• Why are noble gases really hard to ionize, and why do they have positive electron affinities?
  
• How many grams of #NH_3# can be produced from the reaction of 28 g of #N_2# and 25 g of #H_2#?
  
• What would happen to the rate of a reaction with rate law #rate = k[NO]^2[H_2]# if the concentration of #H_2# were halved?
  
• What is the relationship between enthalpy and internal energy? Where does #q = DeltaH# come from?
  
• How do you use the bond dissociation energies of #H_2# (435 kJ/mol) and of a typical carbon-carbon bond (347 kJ/mol) to decide which bond is stronger?
  
• What is the bond angle of the C-N-H bond angle in (CH3)2NH?
  
• For the following reaction, find the rate law and rate constant? #2"NO"(g) + "O"_2(g) -> 2"NO"_2(g)#
  
• What is esterification?
  
• What is an alpha, beta-unsaturated ketone?
  
• How would you convert ethyl bromide to butane?
  
• Orbital energy diagram for beryllium?
  
• What is the arclength of #f(x)=e^(1/x)/x# on #x in [1,2]#?
  
• How is the Pauli Exclusion Principle important in regards to the "octet rule"?
  
• Which integrals / derivatives can we consider tabled?
  
• What is the structure of the hemiacetal formed by reaction of butanone with methanol?
  
• How can I calculate enthalpy of formation?
  
• How does mass spectrometry relate to decomposition?
  
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