Sodium chloride (NaCl) exhibits predominantly ionic bonding. The Na+ and Cl- ions have electron structures that are identical to which two inert gases? 2.10

Q: 4.Make a prediction using your model. If an electron were to emit a photon and move from the n=3…

A: Introduction It is mathematically possible to determine the wavelength of light using the Rydberg…

Q: The carbon-carbon bonds in benzene are: O a) Identical to the carbon-carbon bonds in cyclohexene Ob)…

A: 1) we have to identify the true statement regarding carbon carbon bonds in benzene

Q: Show all  computations  and  express final answer in  sig  fig  and  scientific  notation.  Box  out…

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Q: Н OH2 H он, H + H2O +

A: In this step, H2O acts as a base. As a base, it abstracts a proton from the reacatnt.

Q: NOCICH ste 2. 140 OPSA

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Q: The vapor pressure of a solution containing 56.3 g glycerin (C3H8O3, molar mass = 92 g/mol) in 137.3…

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Q: (a) -CH₂-OH HCl, ZnCl₂ Cl (a minor product)

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Q: How many grams окуди In 52.34д K2Cr2O7 (294.192 (по))

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The relationship between [OH] and basicity is?

A:

Q: The following information is given for bismuth at 1 atm: T 1627.00°C Tm = 271.00°C Specific heat…

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Q: The density of copper is 8.96g/cm^3. What is the mass in mg of a cube of copper that measures 2.31…

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Q: When 84.8 g of alanine C3H7NO2 are dissolved in 1200. g of a certain mystery liquid X, the freezing…

A: Answer: Freezing point depression of a solution containing non-volatile solute is:…

Q: Draw the sketch structure of [CH3CH2C2CO]-

A: The given formula for the structure to be drawn is [CH3CH2C2CO]-

Q: 2. Grams to Moles Convert the following from grams to moles of the following. Write your solution…

A: To get the number of moles, at first we have to know the molar mass of the compound. Then deviding…

Q: Two unknowns, X and Y, both having the molecular formula C4 H, O, give the following results with…

A:

Q: In the above redox reaction, use oxidation numbers to identify the element oxidized, the element…

A: Oxidizing agent is the substance that oxidizes the other substance and itself gets reduced. Reducing…

Q: In one experiment, 0.558 g element X was found to react with 0.32 g element Y to form only one…

A: Law of Conservation of Mass: The Law of Conservation of Mass states that in a chemical reaction the…

Q: What is procedure in extraction of beta-carotene from carrot.

A: Extraction is a technique which is used to  a substance from a mixture. It is the first step to…

Q: choose the pair of substances that are most likely to form a homogenous solution

A: Homogeneous Solutions are the solutions with uniform composition and solute gets completely…

Q: 25. CS2(g) + 4 H2(g) → CHA(g) + 2 H₂S(g) at 298 K and 1 atm A. Calculate AHORxn for the above…

A: a.) ∆H°rxn can be calculated using the standard heat of formation ( ∆H°f )  values of each molecule…

Q: The atomic masses of chlorine-35 (75.780%) and chlorine-37 (24.220%) are 34.969 amu and 36.966 amu,…

A: To calculate : average atomic mass of Cl

Q: When 131. g of benzamide C7H7NO are dissolved in 1300. g of a certain mystery liquid X, the freezing…

A: Answer: Depression in freezing point of a solution containing non-volatile solute is:…

Q: 3. olumlu sham Me Ph Ph Ph H NaOEt Ph

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Q: The vapor pressure of a sugar solution is 11.59 mm Hg at 20 °C. What is the mole fraction of sugar…

A: When a nonvolatile solute is dissolved into a volatile solvent the vapor pressure of the solvent…

Q: A concentration cell consists of two half-cells with identical electrodes but different ion…

A: In a concentration cell, the electricity is generated due to the potential difference created by the…

Q: Question 1 concentrations: A water sample has a pH of 7.0 and the following ion Molarity (M) 0.1 0.1…

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Q: Calssify the following process as endothermic or exothermic. A match burns  Ice melts  Molten metal…

A: When heat is released from the system then reaction is called exothermic and when heat is absorbed…

Q: Consider the following system at equilibrium where Kc = 55.6 and AH° = -10.4 kJ/mol at 698 K. H₂ (g)…

A: In this question, we will see that in which conditions the production of HI is favored that means if…

Q: When Pt electrodes are used in the electrolysis of KI(aq), a number of reactions are possible at the…

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Q: A 0.015 M benzoic acid with pH 3.01, has a hydrogen ion concentration of 9.7 O True O False

A: pH of solution is defined as negative logarithm of hydrogen ions present in the solution. We have to…

Q: Two flasks are connected with a stopcock.Flask #1 has a volume of 2.5L  and contains oxygen gas at…

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Q: -90 degrees Fahrenheit Is what in Celsius

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Q: The pure vapour pressure of benzene (C6H6) is 745 torr; the pure vapour  pressure to toluene(C7H8)…

A: Given: The pure vapour pressure of benzene (C6H6) = 745 torr The pure vapour  pressure to…

Q: The indicator methyl red has a pKHIn = 4.95. It changes from red to yellow over the pH range from…

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Q: In 1995, 76 women were enrolled in chemistry at a certain high school while 165 men were enrolled.…

A: Given,  Number of women enrolled in chemistry = 76  Number of men enrolled in chemistry = 165  What…

Q: Describe each highlighted bond in terms of the overlap of atomic orbitals. (If the highlighted bond…

A: atomic orbitals indicates the electron density in space associated with a particular atom where as…

Q: Consider a hypothetical chemical reaction: A+B C+D (In this equation A, B, C and D stand for some…

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Q: 23. Calculate AG (in kJ) for the following reaction at 25°C using the data in the table below.…

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Q: Which of the following substances can be separated into simpler substances only by chemical means?…

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Q: Consider the following system at equilibrium where Kc = 6.30 and AH° = 111 kJ/mol at 723 K. 2 NH3…

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Q: modity the given Draw the remaining fishhook arrow(s) to show the next step in the mechanism a…

A: This is free radical reaction. In this propagation step, C-H bond breaks and H-Br bond formed and…

Q: 2. In part IIA, you calculate the density of a cube using a ruler and a digital caliper to measure…

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Q: When is decantation applicable in separating solids from liquids

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Q: How would you solve 178.45-0.033x10^3, with the appropriate amount of significant figures

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Q: Which of the following contains a natural polymer AND a man-made polymer? a) Polyester and…

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Q: The pka values of a weak acid is directly proportional to basicity. O True O False

A: The given statement is True. It can be explained as below:

Q: You have a semipermeable membrane that rests at -90mV. You also the two ions Na and Cl. Sodium has a…

A: Eion  = RT/ZF log [Co]/[Ci]  where Eion is the reversal potential, R is the gas constant, T is the…

Q: Chemistry Of the bonds C-C, CC, and CC, the C-C bond is __________. A. strongest/shortest B.…

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Q: solution is prepared by dissolving 32.0 g urea, (NH2)2CO, molar mass = 60 g/mol), in 150.0 g water.…

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Q: Specific objectives in extraction of beta-carotene from carrot.

A: Given  Specific objectives in extraction of beta-carotene from carrot.

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.