Predict the formula for a compound made from X2+ and Y²-. Insert subscripts as needed. formula: XY

Q: Which of the following options should be classified as a molecular element? I. NO₂ II. Ne III. 1₂

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Q: Arrange these bonds from most ionic to most covalent in character. K-F CI-F Most ionic Most covalent…

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Q: Which pKa value best represents the indicated hydrogen? H-CI 00 O 5 O 10 O-5

A: Here, we have to find the pKa value of the indicated hydrogen in HCl.

Q: How does the potential energy of the system change (increase/ decrease) as two oppositely charged…

A: Potential energy between two changed particles is givem by Potential energy = -kq1q2/r As the…

Q: What is the mass of (9.00*10^0) number of water molecules ? Report your answer to 3 significant…

A: Given:  Number of water molecules = 9.00 × 100 molecules = 9 molecules  To calculate : Mass of water…

Q: 1. Which two of the following pairs of structures depict resonance contributors? A) B) C) D) B and C…

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Q: 2. Report the answers of these calculations to the correct number of significant figures: (a) 5.354…

A: In this question, we have to report the answers of the given calculation to the correct number of…

Q: Naphthalene C10H8 melts at 80°C, its vapor pressure is 10 torr at 85.8°C and 40 torr at 119.3°C, and…

A: Naphthalene C10H8 melts at 80°C, its vapor pressure is 10 torr at 85.8°C and 40 torr at 119.3°C, and…

Q: What is the mass of (9 * 10 ^ 0) number of water molecules ? Report your answer 3 significant…

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Q: why C and P  have no diagonal effect?

A: Due to their identical size, specific pairs of diagonally adjacent elements in the second and third…

Q: List the following organic bases in order of increasing basicity, starting with the least basic one…

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Q: How many molecules are there in (3.61*10^ ^ 3)N 2 l 6 Answer to 3 significant figures. Note: Your…

A: Given :  Number of moles of N2I6 = 3.61 × 103  To calculate : Number of molecules

Q: A 4.00g sample of iodine was reacted completely with excess bromine. The mass of the compound formed…

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Q: Question 4 of 8 Fill in the blanks: The oxidation number of N in N₂ is

A: Given N2

Q: The element antimony has an atomic weight of 121.757 amu and only two naturally-occurring isotopes.…

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Q: t the following organic acids in order of increasing acidity, starting with the least acidic one and…

A: Question 5. Now in all options except option c is given the compounds with carboxylic acid…

Q: How does composition and higher-

A: Fractional distillation column is used to separate the two liquids on the basis of boiling point…

Q: 158mg of an unknown protien are dissolved in enough solvent to make 5.00 mL of solution. the osmotic…

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Q: The decomposition reaction given below: 2 NOCl(g)  2 NO(g) + 1 Cl2(g) is carried out in a closed…

A: The decomposition reaction of NOCl is 2 NOCl(g)------------>  2 NO(g) + 1 Cl2(g)  The partial…

Q: What is the IUPAC name for the following alkane? by 2,3,4,7-tetramethyloctane…

A: IUPAC Nomenclature Rule :

Q: 4. N₂ has a molecular weight of 28.0129 Daltons, a bit larger than that of a He atom (4.0017). (a)…

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Q: Question for Group Work 3.137 Arrange the orbitals in the order in which they fill and indicate the…

A: In this question, we have to arrange the orbitals in order of their filling and indicate maximum…

Q: 2. 3. H CI

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Q: Rank the structures from most acidic (1) to least acidic (3). A B HH с

A: Acidity strength of an acid  depends on the stability of its conjugate base ( which is formed by…

Q: Write the name and draw the structure of a saturated hydrocarbon with four carbon atoms

A: To name and draw the structure structure of a saturated hydrocarbon with four carbon atoms.

Q: please answer axial/equatorial substituents and oclet of electrons too

A: Axial bonds are the bonds that form an 90∘ angle with the ring plane whereas equatorial bonds are…

Q: In the laboratory you dilute 4.26 mL of a concentrated 3.00 M hydrobromic acid solution to a total…

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Q: Molecular Shape of NH3 1 central

A: •Here given molecule is NH3 which is known as ammonia. •Here we are discussing its molecular shape,…

Q: Calculate the amount of CO2 (in mL at STP) that would be produced if a) 10 g sucrose were fermented;…

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Q: The enthalpy change for the following reaction is -92.2 kJ. Using bond energies, estimate the H-H…

A: E N2 = 945 kj/mol E N-H = 391 Kj/mol E H-H = ? enthalpy = -92.2 kj

Q: Which of the following is a valid set for four quantum numbers? a. 4, 0, -1, +1/2 b. 2, 1, 0, -1/2…

A: •Here quantum number are given and we have to select valid set of numbers. •Quantum number are…

Q: Rank the structures from most acidic (1) to least acidic (3). A B с A =C-H B [Choose ] [Choose ]…

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Q: 6.8 g H2O Express your answer in molecules to two sinificant figures

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Q: Carbon and graphite are allotropes of Carbon. Between graphite and diamond, which one is a good…

A: We know that the, any substance can conduct electricity if it has free mobile electrons.…

Q: Neon atoms do not combine to form Ne2 molecules, however Ne atoms do attract one another weakly…

A: An atom is stable when it has the nearest stable inert gas configuration or has a complete octet.…

Q: Sometimes as a solute dissolves in a solvent, the solute molecules dissociate and sometimes they…

A: •Here solute association is occurring. •Means if we are add two particles of solute and due to…

Q: 6. Identify each of the following compounds as aromatic, antiaromatic, or nonaromatic, assuming…

A: 6. We have to identify the given molecules as aromatic, anti-aromatic, or non-aromatic.…

Q: Reactants formulas CH₂ + HCI Products formulas H3C-O. D H3C-07

A: THIS IS A MULTIPART QUESTION,AND ACCORDING TO ANSWERING GUIDELINES I WILL ANSWER ONLY FIRST 3…

Q: I need help with calculating the standard deviations and percent error-…

A: Standard deviation =∑xi -μ2Nxi = strength value at particular volumeμ = mean value N= number of…

Q: Draw the Newman projection as shown below. Only rotating the front carbon clockwise (120 degrees at…

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Q: Which of the following is the most reactive substrate in an E1 reaction? -Br OI Oll O III SO IV -Br…

A: A question based on alkene that is to be accomplished.

Q: On the following energy diagram, identify the energy level of the cyclohexane conformation shown in…

A: In this question, we have to Identify the energy level of the cyclohexane conformation shown in the…

Q: (Intermediate) Reactant OD CX Q H₂B-H Apply Mechanism Hint Solution 6 remaining step(s) can be…

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Q: rows to show the movement of the electrons in order to form the given p ould help you in some cases…

A: a. Here the NH2 group has lone pair of nitrogen which can easily act as a nucleophile and can attack…

Q: hange the following measurement to the appropriate SI unit. The final unit required is shown to the…

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Q: 26) Fill in the missing numbers to complete the formulas. Iron (IV) sulfate, Fe?(SO4)2 Copper…

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Q: A crystal of sulfur has a density of 1.94 g/cc. (a) What is the mass (in grams) of a sulfur crystal…

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Q: Question 1 of 8 Fill in the blanks: Determine the oxidation numbers of each element in. PbCl4; Pb= J…

A: In PbCl4  Oxidation number of Pb + 4(formal charge of Cl) = charge on complex

Q: Arrange the sets in order of increasing atomic size Cl, K, S F, Ne, Na Be, Mg, Na Arrange each set…

A: Here we are required to arrange the following element in the increasing order of the atomic size.

Q: Using the data in the table, determine the rate constant of the reaction and select the appropriate…

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