What is the oxidation state of each element in COH2?COH2?     What is the oxidation state of each element in FeBr3?

Q: A silver cuoc with an edge length of 2.33 cm and a gold cube with an edge length of 2.61 cm are both…

A: Given, edge length of silver cube= 2.33 cm  edge length of gold cube = 2.61 cm

Q: 1. How many moles of cobalt(III) sulfide, Co₂S3, are present in a sample that contains 4.11 moles of…

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Q: 1. Based on the results of your data, which among the liquids has a lower surface tension? 2. Based…

A: 1.  Surface tension is the energy required to increase the surface area of a liquid by a given…

Q: NiCl3NiCl3 is a strong electrolyte. Determine the concentration of each of the individual ions in a…

A: NiCl3 is a strong electrolyte and it dissociate as follows: NiCl3s  →  Ni3+aq  +  3Cl-aq

Q: se the standard reaction enthalpies given below to determine AH°rxn for the following reaction: 4…

A: Which one of the following options is correct

Q: The following initial rate data are for the reaction of UO₂+ with hydrogen ion in aqueous solution:…

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Q: Question:- We performed a titration with EDTA to determine the presence of Calcium in a limestone…

A: Complexometric titration are the type of volumetric titration in which a complex formed by metal…

Q: What is the pH of a 7.88x10-2 M aqueous solution of sodium acetate, NaCH3COO? pH =

A: given data sodium acetate =7.88*10^-2 M  find pH

Q: Which of the following best describes the quantization of energy in atoms? Select one: a. Electrons…

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Q: An aqueous potassium carbonate solution is made by dissolving 6.796.79 moles of K2CO3K2CO3 in…

A: Given, moles of K2CO3 = 6.79 moles Volume of the solution = 3.40 L Molarity of K2CO3 solution = ?

Q: [Review Topics] [References] Use the References to access important values if needed for this…

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: 1 H 1.008 3 Li 6.94 11 12 Na Mg 22.990 24.305 19 4 Be 9.012 20 21 22 K Ca Sc Ti V 39.098 40.078…

A: Octet Rule :

Q: 1.1.The lemon battery – a simple galvanic cell 1.2. Potassium iodide electrolysis – a simple…

A: A question based on electrochemical cell that is to be accomplished.

Q: Select one: 1 O a. PCI 3 O b. H₂O O C. NO₂ O d. NH3 H 1.008 3 4 Li Be 6.94 9.012 5 11 12 Na Mg…

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Q: 1. Name this alcohol according to the IUPAC system. AOH

A: IUPAC name of following  compound  is .

Q: Phosphorus pentachloride decomposes according to the chemical equation PCI, (g) PC1₂(g) + Cl₂(g) Ke…

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Q: The decomposition of nitrous oxide at 565 °C N₂O(g) → N₂ (9)+½O₂(g) is second order in N₂O with a…

A: Let a is initial concentration.    and a-x is concentration after time t

Q: Question 58 Br dilute NaOH (7) Draw and name the major product(s) (7) for this reaction. (Hint: If…

A: Nucleophile are the species  which are electron rich and attract towards electron deffiecient…

Q: Arrange the elements in each of the following groups in order of increasing electron affinity ( more…

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Q: Calculate the average atomic mass of element X given the following isotopes and relative abundance.…

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Q: A 170.0 mL170.0 mL solution of 2.288 M2.288 M strontium nitrate is mixed with 220.0 mL220.0 mL of a…

A: No of moles = Molarity * Volume (L) Moles of strontium nitrate = 2.288 M * (170/1000) L = 0.38896…

Q: 7. H₂C 8. a YORK COLLEGE OF THE CITY UNIVERSITY OF NEW YORK Department of Chemistry NO₂ LOH HNO3…

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Q: determine the density of a rock that has a mass of 34.1g. when the rock is placed into a graduated…

A: Here given that the mass of rock is 34.1 g when the rock is placed into a graduated cylinder filled…

Q: mical reaction takes place inside a flask submerged in a water bath. The water bath contains 2.10 kg…

A: Specific Heat capacity is amount of heat required to increase 1 gram of substance by one degree

Q: For the environmental science majors and others interested - how does temperature affect solubility…

A: For the environmental science majors and others interested - how does temperature affect solubility…

Q: A is directly to the left of B in the periodic table. C is directly below A and D is directly below…

A: Percent ionic character in a covalent bond depends on the difference in the electronegativity…

Q: 2. A temperature of 400 K is the same as A) 260 B) 286 C) 88 D) 103 E) 127 °F.

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Q: If a solution containing 100.82 g100.82 g of mercury(II) nitrate is allowed to react completely with…

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Q: it a cpmbustion synthesis/ combination a decomposition single displacement or double…

A: -> A combustion reaction is reaction in which a substance reacts with oxygen gas , releasing…

Q: A chemist is studying the following equilibirum, which has the given equilibrium const 2 NO(g) +…

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Q: What concentration of Br−Br− results when 961 mL961 mL of 0.609 M KBr0.609 M KBr is mixed with 793…

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Q: Specify which of the following elements you would expect to have the greatest electron affinity: (…

A: The given elements are He, K, Co, S, Cl.  Specify element that is expected to have the greatest…

Q: Choose the change in the molar entropy of a perfect gas when it is compressed isothermally from a…

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Q: How many electron groups are present in BrO3 and what is its electron group geometry? Select one: O…

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Q: m-methoxy- CI benzoic acid 44

A: Oxalyl chloride converts carboxylic acid or sulphonic acid group to corresponding acyl chloride…

Q: What is the relationship between the two structures shown? H3C H OH OH H CH3 H3C NOC- consitutional…

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Q: The Lewis structure reveals a radical in which of the following species? उप Select one: O a. N₂0 b.…

A: Out of the four given species we have to find which one is a radical.

Q: Color Charige, charige intamp 9. Determine if the chemical reactions below are balanced or…

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Q: A 0.4997 g of unknown acid was titrated with 25.15 mL of 0.5513 N NaOH solution. Calculate the…

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Q: Draw possible reactants that would give the following as a product in an SN2 reaction. Make sure you…

A: given reaction   SN2  find out the reactant   El = electrophile  or  Nu = nucleophile

Q: At a certain temperature, 0.4211 mol of N, and 1.641 mol of H, are placed in a 2.50 L container.…

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Q: Draw the product(s) of the following reaction: HO لمة 1) LiAlH4 2) HCI (dilute)

A: Given reaction is reduction reaction.  LiAlH4 is strong reducing reagent.  It reduces carboxylic…

Q: Below are the line spectra of Neon (Z = 10) and Lithium (Z = 3). Which of the following statements…

A: Atomic no. of  Neon is Z = 10 and Lithium is Z= 3 We have to answer why more spectral lines are…

Q: Which of the following is TRUE regarding any nonmetal atom? Select one: O a. It has unpaired…

A: Periodic table contain p block element, s block elements and d Block Elements d- block elements are…

Q: sample of lemon juice, the hydronium ion concentration is 3.7 x 10-4M.   What is the pH?   A)…

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Q: A metallic cube has a side length of 50.00 mm. It is composed of 33.49% of metal A and 46.95% of…

A: The edge length of the given cube is = 50.00 mm Hence the area of the cube is = 50.00 mm3 = 125000…

Q: A pharmacist fills a prescription for 30 g of a 0.1% w/w hydrocortisone cream by combining a 1% w/w…

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Q: What is the free energy change in kJ for the reaction below? 2 ClO3−(aq) + 12 H+(aq) + 5 Co(s) →…

A: Gibbs free energy change is calculated by the formula ∆G=-nFE° Where, ∆G = Gibbs free energy change…

Q: A chemist is studying the following equilibirum, which has the given equilibrium constant at a…

A: Given data :

Q: Which of the following statements involving the properties of matter (physical or chemical) does NOT…

A: Matter has two types of properties- physical and chemical. Physical properties are those that…