What is the oxidation number of element underlined in the following element, compound and on? a. Al³+ b. C103 c. 03 d. PC13 e. Cr₂072-

Q: Solid aluminum (Al)and chlorine (C1₂) gas react to form solid aluminum chloride (AIC13). Suppose you…

A: Given-> Mole of Al = 2.0 mole Mole of Cl2 = 1.0 mole

Q: (5.9: Similar to Conceptual Connection 5.12) Which metal is most easily oxidized (with stronger…

A: Oxidation- Oxidation is the process of loss of electron Or gain of oxygen atom.  Here in this case…

Q: Q55

A: When compound is symmetrical then there is no disturbance in bond angle

Q: n proteins, the amino acid histidine (His) plays an important role in many biological reactions. The…

A: Answer -  Amino acid histidine - Amino acids are molecules that combine to form proteins. Amino…

Q: a 20 mL of EDTA titrant is required to titrate 40 mL of standard 0,25M CaCO3. A 70 mL hard water…

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Q: Which of the following molecules would be expected to have the highest boiling point?

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Q: pls answer g, h, i, thank u   2NO(g)+O2(g)⇌2NO2(g) + Heat     a) where will the reaction be…

A: Given reaction is -  2NO(g)+O2(g)⇌2NO2(g) + Heat The reaction is in equilibrium. According to Le…

Q: What is the theoretical pH of a 0.00001 M HBr solution?

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Q: If I initially have a gas at a pressure of 12 atm, a volume of 23 litres, and a temperature of 200…

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Q: 5. What is the name of the cation complex? Otetraamminenickelate (1) tetraamminenickelate(II)…

A: There are certain rules for naming coordination complexes. They are, Ligands in the coordination…

Q: Acetylene (C₂H₂) gas and oxygen (O₂) gas react to form carbon dioxide (CO₂) gas and water (H₂O)…

A: Given,  Number of moles OF C2H2 = 7.0 mole Moles of O2 = 3.0 mole  Moles of C2H2 left = ?

Q: Describe how you can predict the ionic charge of an element based upon the group number it is in.

A: How can predict the ionic charge of an element based upon the group number it is in.

Q: A solution containing 5.54 ppm KMnO4 exhibits 72.5  %T in a 1.50-cm cell at 520 nm. A. Calculate…

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Q: The protein Westlin is 64% occupied when the concentration of its ligand, iocane, is 5 uM. Given…

A: In the given problem we need to find the KD for a given percentage of the protein occupied by a…

Q: pls help me thank u If Keq of 2H2 + O2 --> 2H2O is 9.0. What is the Keq of H2O ---> H2 + 1/2 O2?

A: 2H2 + O2 ----> 2H2O K1 = [H2O]2/[H2]2[O2]  ......................... (1) H2O  -----> H2 + 1/2…

Q: Halogenation of Aromatic Compounds Alkylation of Organic Compounds Nitration of Organic Compounds

A: Nitration reaction and halogention to aromatic compound proceed via electrophilic aromatic addition…

Q: Explain the KOH activation of lignin derived porous carbon for lithium- ion batteries.

A: Because of their varieties of form, adjustable microstructure,large surface area porous carbon…

Q: Radium-226 is an unstable isotope that decays to radon-222. a)Write the balanced nuclear equation…

A: Given: Radium-226 is an unstable isotope that decays to radon-222. We have to write the balanced…

Q: The mass of an organic compound was found to be 58.053 86 by mass spectrometry. Is the sample C₂HN₂,…

A: The solution is given below -

Q: 7. Sulfuryl chloride, SO₂Cl2, is a colorless, corrosive liquid whose vapor decomposes in a…

A: Given, SO2Cl2  ➝ SO2 + Cl2 Rate constant (k) = 2.20 × 10-5 s-1 Reaction follows first order…

Q: Calculate the value of the equilibrium constant given the following information. SO3(g) + H₂O(g)…

A: Here we are required to find the equilibrium constant for the given reaction

Q: OH t-Bu corresponds to a Haworth projection of trans-1,3-di-tert-butylcyclohexane. t-Bu t-Bu t-Bu…

A: Cis  -----> The substitutents on the two carbons are on the same face of the ring Trans  ---->…

Q: With the information from my pictures please help me with the following: 1. Volume at Equivalence…

A: From the titration curve we can figure out equivalence and half equivalence point volumes. Note: As…

Q: Differentiate Di substituted from Poly substituted aromatic compounds. Draw 3

A: The parent aromatic compound is benzene. When substitution occurs in benzene molecule, replacing…

Q: 1. What is the coordination number of Ni in the complex? 2. What is the oxidation number of Ni? 3.…

A: Given,               NiNH34ClO42Required,                   1. The coordination number of Ni in…

Q: The decomposition reaction of carbon disulfide, CS₂, to carbon monosulfide, CS, and sulfur is…

A: Answer - Half life - The half-life of a first-order reaction is a constant that is related to the…

Q: How many valence electrons does N have? 07 O 14 02 0 3 05

A: Given-> Nitrogen (N) Valence electrons are electrons in the outer shell associated with an atom ,…

Q: Calculate ΔSϴ for the reduction of aluminum oxide by hydrogen gas: Al2O3(s) + 3H2(g) → 2Al(s) +…

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Q: A bicyclist is stopped at the entrance to a valley, as sketched below: F A E B Where would the…

A: Answer: This question is based on energy conservation, where at each point total mechanical energy…

Q: Calculate the number of moles of HI that are at equilibrium with 1.25 mol of H₂ and 1.25 mol of 12…

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Q: What kind of bond forms between two iodine atoms? O polar covalent O ionic bond O metallic bond O…

A: In this question we need find the type of bond formed between two iodine atoms

Q: (5.2: Similar to For Practice 5.2) How many grams of NaCl are in 150.0 mL of a 0.450 M NaCl…

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Q: Q1/Complete the following reactions and mentioning CO₂CH3 NaOCH3 CH3OH + methylacetate O₂Et NaOEt…

A: 3. Claisen Condensation 4. Dieckman Condensation 5. Michael addition

Q: thermometer- A 57.9 g sample of quartz, which has a specific heat capacity of 0.730 J-g¹c¹, is put…

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Q: If the concentrations of products and reactants are equal, is the system at equilibrium?

A: Given statement: If the concentrations of products and reactants are equal ,is the system at…

Q: 10) A patient is to be given 2 litres of 0.9% sodium chloride via intravenous infusion over a 24…

A: From given concentration of sodium chloride we can calculate the millimoles of sodium.

Q: (6.5)What is the molar volume of argon gas at STP? O 15.3 L 22.4 L O 4.00 L O 1.00 L

A: Find out the molar volume at stp

Q: In VSEPR theory, molecular geometry is determined by O electron-nucleus attractive forces. O…

A: We have to tell how the molecular geometry is determined by the VSEPR theory. The given options are…

Q: Consider the following expression for the equilibrium constant that represents the dissociation of…

A: Given-> Weight of iodic acid = 176 gm Volume= 1.00 L Molar mass of iodic acid = 175.91 g/mole

Q: Identify which ONE of the following statements is INCORRECT relating to the dissolution of ionic…

A: Dissolution is the process of mixing of  solute into the solvent.

Q: The forward reaction of the following equilibrium reaction is favored by: 2NO(g) + O2(g) 2NO2(g) +…

A: Given, 2NO(g) + O2(g) <-> 2NO2(g) + Energy Moles of a sample = 3.00 moles Amount of energy…

Q: What is the correct name for SO3? [Select] [Select] choose the correct cation and anion.

A: Here we have to write the correct name of SO3.

Q: mixture of nitrogen and argon gas is compressed from a volume of 77.0 L to a volume of 67.0 L, while…

A: Given-> Initial volume (V1) = 77.0 L Final volume (V2) = 67.0 L Pressure (P) = 69.0 atm

Q: The surface tension of water at 20°C is 72.7 mN m and its density is 0.998 g cm³. Assuming a contact…

A: This problem utilises the concept of balancing of downward pressure force with the suface tension…

Q: A catalyst is a substance that increases the rate of reaction but does not participate in the…

A: A catalyst is used in the reaction which varies the activation energy of the reaction. The…

Q: Question 1. (a) What is composite? Please write the name of few composites.

A: 1) (a) Composite is a a solid material that results when two or more different substances, each with…

Q: Q54

A: What would be expected to be polar ?

Q: A particular reaction is identified as second-order in reactant A and has the concentration versus…

A: Chemical  kinetics is branch of chemistry in which we deal with speed at which rate of reaction…

Q: Which electron-pair geometry corresponds to a steric number of 5? O octahedral O trigonal…

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Q: Which factor(s) affect the strength of dispersion forces? O shape of molecules O size of…

A: The size of atoms and shape of molecules affect the dispersion forces as larger and heavier atoms…