Does a higher number of alpha hydrogens mean a lower heat of hydrogenation?  Do more alpha hydrogens = more stability = lower heat of hydrogenation?

Q: Im just wondering from Where did  you got the numbers of -299.7 kj/mol -46.1 and -

A: These are standard values ... means this data is fixed . You can take these values from appendix of…

Q: What are the approximate pKa values for the groups marked with arrows? 3² 1 ОН NH₂ 2 3 OH SH 4 ОН 5

A: pKa is an index to express the acidity of acids. pKa = -logKa  , where Ka is dissociation constant.…

Q: The n=_____principal shell is the lowest that may contain a P subshell a 1 b2 c 3 d 4 e

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Q: Isotopes have the different values for ------  (Assume it is not participating in any bonds).

A: Isotopes have same atomic number. That is they have same number of protons.

Q: shouldn't there be 5 different hydrogens? aren't the top two Hydrogen D's different from the bottom…

A: NMR shows different frequencies which correspond to different kinds of protons in an unknown organic…

Q: 23Na,88Sr2+,Se,Br-,35CI. Which of the following are ions ? Provide reason

A: Given,  23Na, 88Sr2+, Se, Br-, 35CI

Q: How many total electrons are in Ne22+?

A: The atomic number of Neon = 10

Q: 3. Briefly discuss the major structural difference between an atom of Nitrogen-24 vs. an atom of…

A: Nitrogen is an element with multiple isotopes, two of which are Nitrogen-24 and Nitrogen-25. These…

Q: For each atom or ion, determine the number of unpaired electrons. unpaired electrons Ni: unpaired…

A: All things are provided in handwritten solution

Q: Select the sp appropriate atoms by clicking them so that they are highlighted. Н H H H -C=c=C-C H…

A: Hybridization of carbon atom that is connected to only one double bond is sp2 ,and carbon atom that…

Q: What is the charge of the common ion formed by each of these atoms? Drag each item to the…

A: When an electron is either gained or lost by an element then it leads to the formation of an ion.

Q: [References) Which of the following compounds contains only one unshared pair of valence electrons?…

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Q: Rank the following in order of increasing energy. Lowest energy first. O B<A<C OA<C<B OA<B<C O B-C<A…

A: This can be explain by resonance effect, higher the resonance less will be the energy. here C will…

Q: If Rb forms an ion, what is the most likely charge? Group of answer choices +2 +1 +3 -2 -1 -3

A: The atomic number of rubidium (Rb) is 37. The position of rubidium in the periodic table is in…

Q: Do you guys think these ones are correct

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Q: What are the number of protons and electrons for each of the following: Mg2+ Nat CI H*

A: For neutral element, cation and anion -&gt;atomic number = number of protonsFor neutral element,…

Q: Calculate the energy in kJ/mol corresponding to 4β.

A: Beta is known as resonance or stabilization integral having value -75KJ/mol .

Q: Decide if the following represents a cis isomer, a trans isomer, or if cis-trans isomerism is not…

A: Constitutional isomers: These are the compounds which have the same molecular formula but different…

Q: What is the value for the number of nodes of rank r? a) N b) N/2 c) N/2r d) Nr

A: Each node of rank r is the root of at least 2r subtrees.

Q: 1.)Fill in the blanks. Even though they are in the same family, the calcium atom is much larger…

A: They are in the same family, the calcium atom is much larger than beryllium atom because it has more…

Q: It takes 348. kJ/mol to break a carbon-carbon single bond. Calculate the maximum wavelength of light…

A: Given that,Amount of heat required to break  bond = Maximum wavelength of light = ?

Q: Is the structure of CuCl2(PPh3)2 - d9 or d10 - 1 unpaired electron or no unpaired electron - Cu1+ or…

A: In order to answer this question, it is important to determine the oxidation state of copper in the…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: In the structures shown, structure A is a cyclopentadiene anion, and structure B is a…

Q: Which pair of charged particles would feel the second most electrostatic repulsion? -9 -5 +10 +5…

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Q: Bi-212  -->  electron  +

A: BETA MINUS DECAY: A beta decay in which neutron is cleaved to form proton and an electron is known…

Q: For a second-order reaction: A+B> P, the initial concentrations of A and B were 0.080 mol dm-3 and…

A: Given Second order reaction is :  A + B →       PInitial concentration of A = 0.080 moldm3Initial…

Q: 1 2 Highest energy 0000 88 • M 3 Lowest energy

A:

Q: Circle the larger one of each pair or grouping below: O or 0²- Cr2+ or Cr3+ Ge, Br, Ca, or Ga Sr,…

A: O or O2-  --&gt; O2- is bigger Cr2+ or Cr3+ --&gt; Cr2+ is bigger  Ge,Br,Ca or Ga --&gt; Ca is…

Q: write the configuration of Ba

A: Electron configuration:  The complete description of the atomic orbitals occupied by all the…

Q: What is the specific outer electron configuration for 86Rn? 6s²6p6 O5s²5p6 4s²4p6 7s²7p6

A: The objective is to determine the outer electronic configuration of the element  Radon ( 86Rn)

Q: 2. Circle the larger one of each pair or grouping below: O or 0²- Cr²+ or Cr³+ Ge, Br, Ca, or Ga Sr,…

A: Question is about comparison of size of atoms , ions pairs. We have to select the larger one in each…

Q: Hd A B C D E F V₁ V₂ mL HCI Select all the correct answers. One of the major species at point B is…

A: Answer:Buffer solution is a type of solution that resists the change in its pH upon adding small…

Q: Conside following data for tin: atomic mass electronegativity ionization energy electron affinity…

A: Here we are required to find the energy of the two  process for the data given for element  tin.

Q: What is the value for the number of nodes of rank r? a) N b) N/2 c) N/2r d) Nr

A: Every  node of a rank r (which is given) is  root of a subtree of at 2^r. So, there are  N/2^r…

Q: Part 1: Metal Ion Color/other observations Unknown Ba*2 - barium ion Co - cobalt ion Cu" - copper…

A: