Answers created by Truong-Son N.

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• Why is benzene carcinogenic?
  
• How many isomers of the alkene pentene are there?
  
• What happens to acetic acid at high temperature?
  
• How does a Schiff reagent react with an aldehyde?
  
• Is cyclobutene aromatic?
  
• Why is phenol more acidic than an alkyl alcohol?
  
• What are the units for enthalpy of reaction?
  
• Why do Lewis dot diagrams hold a maximum of 8 electrons in the outermost energy level?
  
• Any chance second-semester/year Organic Chemistry topic categories can be added? e.g. Grignard Reactions, Benzene Sub/Elim Rxns, Robinson Annulation, etc.?
  
• Which transition metal can form both a high and low spin complex? #"Zn"^(2+)#, #"Cu"^(2+)#, #"Mn"^(3+)#, #"Ti"^(2+)#
  
• When do mass and volume not correspond to the same density for a given temperature?
  
• State two variables that could affect the density of water without changing its form?
  
• Question #2de49
  
• How many different chemical reactions can a single enzyme catalyze?
  
• What equation relates average kinetic energy to temperature in the high-temperature limit?
  
• What is the enthalpy required to vaporize #"63.5 g"# of water at #100^@ "C"#? #DeltabarH_"vap" = "40.66 kJ/mol"#.
  
• A 3.00 liter sample of gas is at 288 K and 1.00 atm. If the pressure of the gas is increased to 2.00 atm and its volume is decreased to 1.50 liters, what will be the Kelvin temperature of the sample?
  
• A compound with an empirical formula of #C_4H_4O# and a molar mass of 136 grams per mole. What is the molecular formula of this compound?
  
• How much heat will be released when 6.44 g of sulfur reacts with excess O2 according to the following reaction?
  
• How can we get 1-methylcyclohexanol from cyclohexanone , by reduction using the reagent LiALH4 in H2O/H+ , I got cyclohexanol , then what should I do?
  
• How can a Grignard reagent can used to prepare 2-phenyl-2-propanol, 1-phenylethanol, and phenylmethanol?
  
• If #y = 1 / (1+x^2)#, what are the points of inflection, concavity and critical points?
  
• What are the roles of each member of the SHD catalytic triad? How does the mechanism work?
  
• Question #25cd6
  
• One #"mol"# of an ideal gas, initially at #"300 K"#, is cooled at constant #"V"# so that #"P"_f# is #1/4 "P"_i#. Then the gas expands at constant #"P"# until it reaches #"T"_i# again. What is the work #w# done on the gas?
  
• How do you differentiate # f(x)=-2xsin^2(x) # using the product rule?
  
• What is an example of an ideal gas in real life?
  
• What is an example of temperature scales practice problem?
  
• Why is the Bronsted-Lowry definition of acids and bases more encompassing than the Arrhenius definition?
  
• What is #||<< -6,-7,1 >>||# (the magnitude of #<< -6, -7, 1 >>#)?
  
• What is the difference between a stereogenic center and a chiral center?
  
• How would I form #"Na"_4"SiO"_4# from silicon dioxide? How about forming #"Na"_4"ZrO"_4# from zirconia?
  
• What are the angles between sp2 orbitals?
  
• The movement of atoms is an example of what type of energy?
  
• The lattice energy of CsI(s) is −604 KJ/mol, and the enthalpy of solution is 33 KJ/mol. How would you calculate the enthalpy of hydration (KJ) of 0.65 moles of CsI? Enter a numeric answer only, do not include units in your answer?
  
• What is the empirical formula for a compound that consists of 72.2% magnesium and 27.8% nitrogen by mass?
  
• Where does the maximum electron density occur for 2s and 2p orbitals in hydrogen atom?
  
• Question #487bc
  
• How many miles to earth's core?
  
• Why is acetic anhydride used in aspirin synthesis?
  
• 1 mole of #CH_4# contains how many molecules?
  
• What is the empirical formula of N2O5?
  
• Is CH2 an alkyl group?
  
• An x-ray has a wavelength of 5 nanometers (#5.0 * 10^-9# m). What is the frequency of these x-rays?
  
• Which has more momentum, a #5kg# object moving at #8m/s# or a #12kg# object moving at #2m/s#?
  
• If the length of a #21 cm# spring increases to #57 cm# when a #5 kg# weight is hanging from it, what is the spring's constant?
  
• An object with a mass of # 3 kg# is traveling in a circular path of a radius of #2 m#. If the object's angular velocity changes from # 1 Hz# to # 8 Hz# in # 5 s#, what torque was applied to the object?
  
• What's the unit of enthalpy?
  
• How do you differentiate #f(x)=tansqrtx# using the chain rule?
  
• Why is PtCl4^2- square planar?
  
• What major concepts should I know for organic chemistry?
  
• For a #"313 g"# sample of helium gas that cools by #41.6^@ "C"# due to being compressed by #"267 L"# at a constant external pressure of #"1 atm"#, if its molar heat capacity is #"20.8 J/mol"^@ "C"#, calculate #DeltaE#, #q#, #w#, and #DeltaH#?
  
• How would you convert cyclohexanol to chlorocyclohexane?
  
• Is a buffer supposed to keep the pH of a solution at 7?
  
• A gamma ray has a frequency of #2.88 * 10^21# Hz. What does this mean?
  
• How many moles of oxygen are in 1 mole of #Ca(NO_3)_2#?
  
• When 2,3-dimethylhexanoic acid is treated with SOCl2/pyridine, followed by LiAl [OC(CH3)3]3H, what would be the product???? Thank you
  
• What is meant by the rate of a reaction?
  
• Given, 2NH3 + Ag+ Ag(NH3)2+, what is the lewis acid and the lewis base in this equation?
  
• How would you draw tryptophan and select the chiral carbon?
  
• In #"PbS"(s) + 4"H"_2"O"_2(aq) -> "PbSO"_4(s) + 4"H"_2"O"(l)#, what was oxidized and what was reduced?
  
• What is a glycosidic bond?
  
• What is enthalpy of hydrogenation?
  
• How do I make a Lineweaver-Burk (Double Reciprocal) Plot?
  
• How many constitutional isomers of C4H8O are there?
  
• How does a covalent bond affect the stability of atoms?
  
• An astronaut with a mass of #95 kg# is floating in space. If the astronaut throws an object with a mass of #4 kg# at a speed of #1/8 m/s#, how much will his speed change by?
  
• How fast will an object with a mass of #16 kg# accelerate if a force of #32 N# is constantly applied to it?
  
• Which has more momentum, a #"3 kg"# object moving at #"2 m/s"# or a #"5 kg"# object moving at #"9 m/s"#?
  
• How do you post a graph in the description of a question on Socratic?
  
• What is the derivative of # ln (x^8)/ x^2#?
  
• Can you summarize A Doll's House in 7 bullet points?
  
• Why might an oxygen dissociation curve be sigmoidal?
  
• How is the reaction rate related to equilibrium?
  
• How would you determine the atomic weight of an atom?
  
• What is the name of the product of the hydrogenation of 2-methylpropanal?
  
• How would you balance the following equation: aluminum iodide and chlorine gas react to form aluminum chloride and iodine gas?
  
• 798 torr is equal to how many kPa?
  
• True or false? A reaction mechanism is well-known for any reaction whose reactants and products are known.
  
• What is a conjugate base and a conjugate acid?
  
• How would you define entropy of a system?
  
• Ordered lists can't be commented on or rated?
  
• Question #db381
  
• How do you differentiate #f(x)=(2x-1)(3x-2)(5x+1)# using the product rule?
  
• Are enthalpy and entropy affected by temperature?
  
• How can I graph an RC circuit?
  
• What is the cross product of #[9,4,-1]# and #[2, 5, 4] #?
  
• How much work does it take to raise a #5 kg # weight #12 m #?
  
• For #vecu = <3, -1># and #vecv = <2,4>#, what is #vecu*vecv#?
  
• What does sp2 and sp3 hybridization mean?
  
• How is glucose changed during glycolysis?
  
• Is #K_c# dependent on initial concentrations?
  
• What is the difference between an electrophile and a nucleophile?
  
• What is the esterification reaction equation of benzyl alcohol and acetic acid?
  
• How can CH3OH be a lewis acid?
  
• What is the shape of SF4 (including bond angles)?
  
• How does pKa relate to the acidity of a substance?
  
• How do intermolecular forces affect solvation?
  
• What is the name for a four-carbon continuous-chain alkane?
  
• What would happen if the following aromatic molecule with an alkenyl sidechain reacts with sulfuric acid?
  
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