Calculate the energy in kJ/mol of light with a wavelength of 450 nm.  (h: 6,626x10-34Js; c: 3x108ms-1; NA: 6,02x1023 mol-1)

Q: If a single C-C bond has a bond energy of 346 kJ/mol, could a single photon in the visible range…

A: We have to check the given length of light dissociate the C-C single bond or not

Q: gallium: [Ar]4s²3d104p' inner electrons: 28 3 outer electrons: Incorrect Incorrect 3 valence…

A: ->Outer electrons are electron in highest value of n. ->valence electrons are involved in…

Q: What is the reticular energy? Mg²+ (g) + 0(g) AH2nd IE (Mg) = +1451 Mg*(g) + 0(g) Mg(g) + 0(g) Mg(g)…

A: We have to calculate Reticular energy or lattice energy

Q: Which of the following correctly ranks the ions Ca2+, S2–, K+, Cl–, and H+ in order of increasing…

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Q: How much energy is evolved when 2.5 mg of cl atoms accept electrons to form cl^-1 ions

A: The energy required or released when an electron has been added into the outermost shell of a…

Q: 4. Calculate the net energy of Ca2+ and S²- with an inter-atomic separation distance of 1.793nm, if…

A: The force in Newtons between 2 charges q1 & q2 is given by Coulomb's law: F=kq1q2r2k is a…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: We have to determine the order of size of the given ions and atoms

Q: e total number of valence electrons

A: Total number of valence electrons is equal to the sum of valence electrons of all atoms in a…

Q: Rb+

A: Ionization energy is the minimum energy required to remove an electron from outer most shell in…

Q: Which ion has the stronger ion-dipole forc

A: Which ion has the stronger ion-dipole force?

Q: how much energy in KJ is in 6.126 moles of 684.5 nm light?

A: The equation relating energy E an wavelength λ is,                       E=hcλ where, h is Planks…

Q: Species that have the same number of electrons are described as isoelectronic. What +2 ion is…

A: Given,species that have the same electrons are described as isoelectronic.The ion:  Rb+

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: Size of a neutral atom is always larger than its cation.

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

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

Q: How many valence electrons are in an element belonging to period 2, group 16? Paragraph v B I U A Ev…

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Q: Which of these ions has the same electronic configuration as Ar? K+, S^2-, Cl^-, all the above

A: Argon having atomic number 18 First, Write down the electronic configuration of Argon  and then…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: We have to arrange the atoms and ions in order of decreasing size

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

A: Calculation of overall energy required for the formation of SrCl:1. Sublimation of Sr ( solid to…

Q: Consider an ionic compound, MX₂, composed of generic metal M and generic, gaseous halogen X. • The…

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Q: 3.. What is the likely charge of each of the ions formed by the following atoms? As Rn In Br Mg. Ge…

A: we have to determine the likely charge on the ions formed by the given atoms

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A:

Q: In which of the following sets do all species have the same number of electrons? CI, Ar, Ca2+ OC,…

A: Answer:Species that have same number of electrons in them are called as isoelectronic species.

Q: Conside following data for sulfur: atomic mass 32.066 electronegativity electron affinity ionization…

A: First we need to check the type of reaction then we can determine the value of energy if that is…

Q: Fill out the table below based on the periodic table and the electron configurations given: Electron…

A: Electrons are filled in a different atomic orbital in an atom. According to the Aufbau rule, the…

Q: atoms or ions Ar, S, S 2- Si, Cl, S Br, I, F of decreasing 0,0,0 0,0,0 0.0.0

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Q: A Cl-Cl bond requires 58,000J/mol to break. What frequency of light will provide enough energy to…

A: Some amount of energy is always required to break a bond. This energy required to break a bond is…

Q: Cs is used in photocells and television cameras because it has a very low ionization energy,…

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Q: Order the following sets of five atoms and ions according to increasing size: ("1" smallest and "5"…

A: The given anions and cations are - - >  F- , H- , Be2+ , Li+  , Cl-   When an atom looses its…

Q: -order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: -> In isoelectronic species if positive charge increases then size decreases. -> In…

Q: The four quantum numbers (n, I, m₁, ms) of the last entering electron of Cr is most likely: (4, 0,…

A: Atoms are made up of electrons, protons and neutrons. Electrons are negatively charged particles…

Q: Which is smaller and why? cl or cl-  Mg or Mg2+ N or N3- Put in order from smallest to largest…

A: Neutral atom is the one which is neutral i.e. has no charge.Anion is an ion having negative charge…

Q: A neutral atom has the following electron configuration: 1s 2s 2p°3s²3p' How many electrons does the…

A: A neutral atom is the atom carrying no charge. It will become an ion after losing and gaining…

Q: Q32

A: Se^2- : ( atomic number of Se ) + 2 = 34 + 2 = 36electrons  A) As^3- : ( atomic number of As ) + 3 =…

Q: Question attached

A: Cation is smaller than anion. An atom loses one electron to form a cation. When one of the electron…

Q: Using simitar Born-Haber cycle to the above it is possible to calculate the enthalpies of formation…

A: Born-Haber cycle is applied to estimate the lattice energy for a mole of the ionic compound…

Q: Calculate the energy in kJ of 0.0130 moles of photon of light with wavelength of 640 nm. h = 6.626 x…

A: Correct Option :  2.43 kJ

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: The distance between the nucleus and the outermost electron is known as the atomic radius of an…

Q: An atomic cation with a charge of +1 has the following electron configuration:…

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Q: Br- Se2- Rb+ A and B B and C A and C A, B, and C

A: Correct option is all the above A,B,C. For negative charge we have to add an electron. For positive…

Q: Arrange Sr2+, Li, Br− in decreasing  atomic/ionic radius (largest to smallest).   Answer Options:…

A: Arrange Sr2+, Li, Br− in decreasing  atomic/ionic radius (largest to smallest).

Q: MISSED THIS? Read Section 8.2 (Pages 312-322) Watch KCV 8.2, IWE 8.2 I Revi Part A How much energy…

A: The energy is directly proportional to the frequency of wave. The energy is inversely proportional…

Q: Which is the correct noble gas electron configuration for Sb? O (Kr)5s25dt0 5p O Ar)5s25p3 O…

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Q: Can someone show a step by step explanation of how to solve this? Calculate the energy of the…

A: The energy of the fourth energy level in: a) a hydrogen atom b) a C5+ ion (note that this is a…

Q: Which of the following elements has the greatest metallic character? A) Br B) F C) Ge D) Mn E) Sc

A: