Answers created by Truong-Son N.

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• What is the electron configuration of d-block ions, for example V+?
  
• Can we figure out how many sigma and pi bonds are in a molecule without drawing it out?
  
• Why does temperature remain constant during phase change?
  
• What makes an increase in temperature change the reaction rate?
  
• What determines an SN1 reaction rate?
  
• What type of isomer is Maleic Acid?
  
• What is the empirical formula of a compound that has a carbon-to-hydrogen ratio of 2 to 6?
  
• How would you define the concept of equilibrium in terms of free energy and entropy?
  
• How would you balance a reaction with a polyatomic ion only on one side?
  
• Why do atomic spectra appear as lines?
  
• Which molecules will undergo aromatic bromination (#"Br"_2, "FeBr"_3#) the fastest? Why?
  
• Write a short note on oxidation of alcohols. What are the different reactions involved, with suitable examples?
  
• Did I predict these reaction products correctly?? Help!
  
• Is #Cd_2^+# diamagnetic or paramagnetic?
  
• Explain why spontaneity depends on temperature?
  
• What is the average kinetic energy of a gas in a closed system at #"380 K"#, if the universal gas constant is #R = "8.314472 J/K"cdot"mol"#?
  
• Question #5862e
  
• Help with these reaction questions???
  
• Which of the following sentences requires a question mark?: The doorbell just rang Do you think anyone will answer the door
  
• Is the following sentence missing commas? If so, where?: The robots are still functioning.
  
• Write the ground-state electron configurations of the following transition metals: #"V"^(5+)#, #"Au"^(3+)#, and #"Fe"^(2+)#?
  
• Can tyrosine form dianionic form since it has acidic carboxyl group and also hydroxyl group at the phenyl group?
  
• What are the isomers of #C_5H_12O#?
  
• How many geometric isomers are there for the following compound? #[Mn(CO)_2Cl_2Br_2]^+#?
  
• Why is the Diels-Alder reaction classified as a 4+2 cycloaddition?
  
• In a Diels-Alder Reaction, 3-sulfolene produces a 1,3-butadiene and a gas. What is the gas that is produced?
  
• How do I balance these reactions? Also, how can I write the net ionic reaction for the second one?
  
• What is the order of decreasing reactivity toward electrophilic aromatic substitution for compounds: toluene, benzene, fluorobenzene, nitrobenzene, and phenol?
  
• Explain what quantum tunnelling is?
  
• What does the atomic orbital diagram of carbon look like before #sp^3# hybridization?
  
• Why is sn2 bimolecular?
  
• How do aldehydes smell?
  
• Assuming human skin is at 98.6 degrees Fahrenheit, what wavelength is the peak in the human thermal radiation spectrum? What type of waves are these?
  
• How will you convert methane to the following: ?
  
• How do you balance #(NH_4)_2CO_3 + CuCl_2 -> NH_4Cl + CuCO_3#?
  
• If a sample originally had 120 atoms of carbon-14, how many atoms will remain after 16,110 years?
  
• What is the maximum number of electrons allowed in #n = 2#?
  
• How do you calculate the percentage composition of Carbon in #C_2H_6#?
  
• Why do Socratic users not just use WolframAlpha?
  
• Give the action of the Clemmensen reduction on 2-butenal?
  
• How do I interpret an enthalpy diagram?
  
• What is the difference between nucleophilic substitution and electrophilic addition?
  
• What is the ground state electron configuration of a #""_27 "Co"# atom in the gas phase?
  
• What are the bond angles of #"PF"_3# and #"H"_2"Se"#?
  
• What happens when you place #"Fe"_2"O"_3# in water?
  
• A certain sample of #"HClO"_2# has a concentration of #"0.125 M"#. Calculate the pH at equilibrium. Why can we not treat #"HClO"_2# as a strong acid, even though #K_a > 1#?
  
• What are tarry oxidation products?
  
• What is the difference between nonaromatic heterocycles and aromatic heterocycles?
  
• How much faster is a reaction whose activation energy is #"52.3 kJ/mol"# compared to one at #"62.3 kJ/mol"#, both at #37^@ "C"#?
  
• What are some of the applications of computational chemistry?
  
• What is an example of an electron orbital practice problem?
  
• How does entropy relate to chaos theory?
  
• For the reaction #"N"_2"O"_3(g) -> "NO"(g) + "NO"_2(g)#, given the following data, calculate the rate constant?
  
• How are arenediazonium salts formed when it comes to benzene reactions? What kinds of reactions can it undergo?
  
• Can someone give me an example of an analogy?
  
• What is the hybridization for C2H6? my teacher wrote sp-s sigma bond [C-H] and sp-sp sigma bond[C-C]
  
• How can you distinguish between cis and trans isomers?
  
• State Berthelot's equation for real gases?
  
• How can I derive the Van der Waals equation?
  
• Identify how alcohols can be acidic?
  
• ¿Por qué y cómo la ley de conservación de masa se aplica al universo? ¿Cómo se aplica a las ecuaciones químicas?
  
• A superhero launches himself from the top of a building with a velocity of 7.3m/s at an angle of 25 above the horizontal. If the building is 17 m high, how far will he travel horizontally before reaching the ground? What is his final velocity?
  
• What orbitals form sigma bonds?
  
• ¿Cuál tipo de reacción química es más simple? ¿Cuáles son los cuatro tipos principales de reacciones en química general?
  
• What is the geometry of cis-diamminedichloroplatinum(II)?
  
• What are some examples of linear sp hybrids?
  
• If CN- is a lewis base, can it also act as a lewis acid?
  
• What are the points of intersection for #y = 2x + 3# and #y = x + 5#?
  
• Question #eaaa1
  
• What is the rate constant of a reaction if rate 1.5 (mol/L)s, [A] is 1 M, [B] is 3 M, m=2, and n=1?
  
• Why can't Sp3 hybrid orbitals can form pi bonds?
  
• What is Ground-state and Excited state of an atom?Thanks..
  
• How do you make aldehyde from carboxylic acid?
  
• He was angry but he decided to meet her. (Make it a complex sentences.)?
  
• How many pi and sigma bonds are in caffeine?
  
• How do pi bonds affect bond angle?
  
• Pyridine and pyrimidine are both aromatic compounds, how many electrons does each nitrogen atom contribute to the electron cloud of each compound?
  
• How would you determine the quantum number, ml, for an element?
  
• How many sigma and pi bonds are generally part of a triple bond?
  
• What happens to the equilibrium constant in a complexation reaction?
  
• Is #"SO"_2# a Lewis acid?
  
• Which of the following has the smallest bond order for #"CO"#? #["Mn"("CO")_6]^(+)#, #"Cr"("CO")_6#, #["Ti"("CO")_6]^(2-)#, #["V"("CO")_6]^(-)#
  
• If you have an organic molecule, what is the hybridization of a H attached to a C with a single bond?
  
• Given the following information, should we expect to be able to assign the C-O bonds to individual peaks, and if so, which mode is associated with which band? Why?
  
• An ideal gas is compressed at a constant pressure of 120 kPa to one-half of its initial volume. The work done on the gas is 790 J. What was the initial volume of the gas?
  
• How to tell if a central element in a molecule needs to form hybridized orbitals?
  
• How much energy is needed to change 1 g of ice at 0°C to water at 0°C?
  
• Would the following molecules react by Sn1 or Sn2 mechanism: 1-methyl-1-bromo-cyclohexane and 2-bromohexane?
  
• How to draw overlapping of pure or hybridized orbitals for Br2 and NO+? Explain the need for the orbital of an atom to hybridized based on the Lewis structures
  
• What are the limitations of Octet Rule?
  
• Can nitrogen ever have 2 bonds and 2 lone pairs, or even 1 bond and three lone pairs?
  
• How do you go from millimols to grams if the molar mass is #"0.34 g/mol"#?
  
• What is the geometry and hybridization of #"H"_2"S"#? How many #sigma# and #pi# bonds does it have?
  
• How many calories of energy must be added to a 1 gram of water to increase its temperature by 1 degree?
  
• Question #73391
  
• How do you integrate #int 1/sqrt(x^2-9x-7) # using trigonometric substitution?
  
• What functional group is in ethyl butyrate?
  
• What is the pka range for a strong acid?
  
• What is the action of 4-methylphenylhydrazine on a carbonyl group, with reaction and example?
  
• Explain why solution volume expands when we have positive deviation?
  
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