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Q: What is the oxidation number of the sulfur atom in Li 2SO 4 ? +88 -2 -6 ...
A: Given :- Li2SO4 (an ionic compound) To be determined :- oxidation number of S atom O has charge -2...
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A: Using rate law and experimental data, rate constant can be calculated as follows
Q: Name this compound: CaBr2 cabon dibromide O carbon bromide
A: Calcium is a metal having symbol as Ca Bromine is a non metal having symbol Br
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A: Given that, CO2 → C(dia)+O2 ∆H=+94.03 kcal/molC(graph)+O2 → CO2 ∆H=-94.48 kcal/mol____...
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Q: A gas occupies a volume of 0.140 L at STP. How many grams of chlorine are present?
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Q: In the neutralization reaction belowm water and whatother product will be produced?
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Q: a) Which of the two reactions A and B is very common and of high yield? Why? A B -E -E
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A: The given molecules are as follows:
Q: Which one of the following compounds is insoluble in water? Li2CO3 K Br KN...
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Q: Describe the general structure of the nuclear model of the atom
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Q: A chemist has a 5.00 L gas-filled cylinder with a piston, at 25 o C. He pushes the piston part way i...
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Q: Find out the kind of reactions by writing the identification reactions of Br¯ and CI- ions.
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Q: How many grams of magnesium would you expect to find in 56.8g of magnesium nitrate?
A: Given : Mass of magnesium nitrate i.e Mg(NO3)2 = 56.8 g
Q: Write the molecular ionic and net ionic equation for the following reaction.
A: Barium nitrate : Ba(NO3)2 Sodium carbonate : Na2CO3 white precipitate product is : BaCO3 Chemical re...
Q: c. You have a solution that contains 11.0 grams of potassium nitrate dissolved in 10 milliliter of w...
A: The solubility of potassium nitrate decreases with the decrease in temperature.
Q: The oxidation number of S in SO42- is ___ a. +6 b. -1 c. +2 d. +4 e. 0
A: The oxidation number of an atom in a molecule is defined as the number of charges it would carry If ...
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Q: A container holds 22.0 g of P₄O₆ and 6.00 g of O₂. The following reaction occurs: P₄O₆ + 2O₂ → P₄O₁₀...
A: Number of moles = mass/molar mass Mass = moles × molar mass Molar mass of P4O6 = 219.89 g/mol Mol...
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Q: Calculate the saponification numbers.
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A: Hydrogen (III) does not exist Ammonium hydroxide is NH4OH Nitrous acid is HNO2
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- Calculate the shifts in the energies of the two terms of a d1 configuration that can arise from spin–orbit coupling.2. Why can an atom with a singlet spin multiplicity (S=0) have no spin-spin coupling with any other atom?The chlorophylls that participate in photosynthesis and the haem (heme) groups of cytochromes are derived from the porphine dianion group (8), which belongs to the D4h point group. The ground electronic state is A1g and the lowest-lying excited state is Eu. Is a photon-induced transition allowed from the ground state to the excited state? Explain your answer.
- cis [Fe(NH3)2(CO)2Br2] symmetry elements and point group?Identify the irreducible representations to which all five d orbitals of the central Xe atom in XeF4 (D4h) belong. Give reasons to support your answer ( please answer in detail )The ground state of NO2 is A1 in the group C2v. To what excited states may it be excited by electric dipole transitions, and what polarization of light is it necessary to use?
- Q1a) Why electron have spin half value? B) In multiplicity r=2S+1 as we see when S increase r also increase but this violate Pauli exclusion principle. Why?Give the term symbol(s) correspond to the ground state configuration of a Y2+ ion.For the point group D3h, confirm that the irreducible representation E′ is orthogonal (in the sense defined by eqn 10B.7) to the irreducible representations A′1, A′2 , and E″.