Which statement about the charge-minimized Lewis structure of the thiocyanate anion (SCN) is true? (Charges not shown in the Lewis structure.) s=c=N There are two o-bonds oriented at 120° to one another. There are twO n-bonds oriented at 180° to one another. There are two formal negative charges. The central carbon is sp-hybridized.

Q: Information for Parts B, C, and D A compound is 80.0% carbon and 20.0% hydrogen by mass. Assume a 10...

A: Given, Mass of sample of the compound = 100 g Percentage of of each element in the sample of compoun...

Q: 2. 1.5 L of 0.117 M NaOH from a commercial reagent that is 50% w/w and a specific gravity of 1.525

A: 2. Given,  Specific gravity = 1.525  50% w/w NaOH solution means, 50 g NaOH in 100 g Solution.  Mass...

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A: Volume of solute (oil) = 22.5 ml Volume of Solution (gasoline + oil) = 60.5 ml To find %(V/V) of oil...

Q: pH

A:

Q: A 5.83-mg sample of compound F (whose empirical formula is CH) dissolved in 57.3 mg of camphor lower...

A:

Q: Which of the following reactions is correctly balanced? A) CO + O2 → CO2 B) N2 + H → 2NH3 C) 2H2O...

A: Given :-  A) CO + O2 → CO2 B) N2 + H → 2NH3 C) 2H2O + C → CO + 2H2 D) Zn + 2HCl → H2 + ZnCl2  To ide...

Q: What is the vapor pressure of a solution of 180 g of glucose in 270 g of water at 25°C if the vapor ...

A:  

Q: Direction: Identify each compound as Empirical or Molecular. Write your answer on the space provided...

A: Empirical formula : It shows the simplest whole number ratio of atoms for the given compound.  Molec...

Q: Choose a balanced chemical equation for the reaction of molecular oxygen with beryllium metal to for...

A:

Q: PLEASE HELP DRAW AND WRITE THE REACTION, EQUATIONS AND MECHANISMS FOR THE REACTION OF CYCLOHEXENE WI...

A: Alkene reacts with Br2 in presence of water to give halohydrin. 

Q: A 0.1500-g sample containing only KCI and CaCl2 produced 0.3254 g of dried AgCl precipitate. Determi...

A: Given that, 0.1500 g of a sample containing only KCl and CaCl2 produced 0.3254 g of dried AgCl preci...

Q: A 6.25-L helium balloon at a temperature of 28.50°C and pressure of 757.2 mmHg is submerged into a s...

A:

Q: A solution of CaCl, in water forms a mixture that is 39.0% calcium chloride by mass. If the total ma...

A:

Q: SO3 Zn(Hg) A B AICI, HCI

A: Given, 

Q: What is a mole

A: A mole is an unit to measures the quantity of the substance.

Q: How many grams of BaCl2 2H2O must be dissolved in 1.50 L of water to yield a 0.250 M BaCl2 solution?...

A:

Q: How many grams of oxygen are there in 91.1 g of C2H6O? please show each steps

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Q: Perform the following conversion to the correct number of significant figures using the Dimensional ...

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Q: How do structures of these IUPAC names look like? d) 4-Mercapto-3-methylthiopentene

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

Q: Be sure to answer all parts. Pheromones are a special type of compound secreted by the females of ma...

A: For this question, first calculate number of moles for pheromone and then convert that moles in numb...

Q: Sodium carbonate is added to the extraction to O increase solubility of caffeine in water decrease s...

A: Caffeine can be classified as a drug  naturally present in the seeds and leaves of many plants. For ...

Q: Choose a balanced equation for the combustion of isoprene, CSH8, in an abundant supply of oxygen. Is...

A: • Isoprene gas on combustion reaction in presence of oxygen gas gives carbon dioxide gas and water v...

Q: ABC

A:   What is the Rf value in TLC?   TLC (thin layer chromatography) is a chromatography technique to s...

Q: 1. Sample preparation of infrared spectroscopy uses KBr as the blank because Kbr has 100% transmitta...

A: KBr has a property that it does not absorb in the range of wavenumber 4000-400 cm-1 which is also th...

Q: A certain reaction has an equilibrium constant of 10.1 at 25°C AZ B What is its AG, in kJ/mol, if [A...

A: the solution is as follows:  

Q: What mass (g) of barium iodide is contained in 381mL of a barium iodide solution that has an iodide ...

A: A numerical problem based on concentration terms that is to be accomplished.

Q: A certain element consists of two stable isotopes. The first has a mass of 68.9 amu and a percent na...

A: Mass of first isotopes = 68.9 amu Mass percent of first isotope = 60.4% Mass of second isotopes = 70...

Q: Consider the species HC4H406-, C4H4062-, derivatives of tartaric acid. Each ion can act as base in w...

A:

Q: In which compound does sulfur have the highest oxidation number? O NazSO4, O H2S O SCI2 O SO2 O H,SO...

A: Oxidation state is the positive charge present on that specific atom due to it's attached groups. 

Q: This method is to be used when measuring the volume of a solution containing sufficient reagent to r...

A: Volumetric analysis uses the method that involves the measurement of the volume of a solution whose ...

Q: Predict the missing reactant of this biochemical reaction: ATP ADP kinase N. That is, in the drawing...

A: In the given reaction we have to predict the starting material. The starting material is shown below

Q: Each row of the table below describes an aqueous solution at about 25°C. Complete the table. That i...

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Q: One pineapple pizza with extra pinepples contains: 2.5 g fat 18 g carbohydrate 4.0 g protein The t...

A: The total energy contained in food can be calculated by taking the sum of the energy provided by the...

Q: CH3 AIC13 + CH;CHCH,Cl

A: The above reaction is known as friedel craft alkylation... When carbonation intermediate is formed t...

Q: Visited .Tow many MOLES of sulfur dichloride are present in 1.69 grams of this compound ? moles. 2. ...

A:

Q: moles

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

Q: ) a) The radical chlorination of pentane is a poor way to prepare 1-chloropentane but radical chlori...

A: a) The radical chlorination of pentane is a poor way to prepare 1-chloropentane but radical chlorina...

Q: 1. How many MOLECULES of carbon tetrafluoride are present in 1.79 moles of this compound ? Visited m...

A:

Q: classify

A: Types of reaction: Combination or Synthesis reaction is defined as a reaction in which two or more r...

Q: pH

A:

Q: How many grams of solid KCl are needed to prepare 250.0 mL of 0.235 M solution? A) 31.3g B) 15.6g ...

A:

Q: The solute in the liquid mixture can be separated from the liquid solvent. O Gas-liquid extraction S...

A: We have to tell, how one can separate the solute in the liquid mixture from the liquid solvent. Now,...

Q: NH2 0-

A: Hybridization is mixing of atomic orbital of comparable energy to form hybridized molecular orbital....

Q: The pressure that vapors apply on the surface of the liquid at equilibrium is called

A: On the surface of a liquid some of the liquid vapours are present.

Q: e partial pressure of S

A:

Q: At 500 ∘C∘C, cyclopropane (C3H6) rearranges to propene (CH3−CH=CH2). The reaction is first order, an...

A: First-order reaction: The rate of the first-order reaction depends only on one reactant. According t...

Q: Use the graph below as reference: What is the boiling point of a solution of 50% toluene? Temperatu...

A: Answer is given below :

Q: Why is light of at least a certain frequency needed to cause the photoelectric effect? O A certain q...

A: Photoelectric effect :- J.J Thomson observed that when a photon of having certain frequency strikes ...

Q: What is the mass, in grams, of 1.20 mol of iron (III) sulfate? Express your answer using three signi...

A: Given,  Moles of Iron(III) sulfate = 1.20 mol  Molar mass of Iron(III) sulfate = 399.88 g/mol  

Q: Iodine‑125 (I125I125) is used to treat, among other things, brain tumors and prostate cancer. It dec...

A: Answer is as follows

Quantum Mechanical Treatment of the Valence Bond Theory

Quantum mechanical treatment of valence bond theory refers to the relationship established between the quantum mechanical theory and the valence bond theory to describe the chemical bonding in a particular molecule.