#13-15 Choose the letter of the correct answer.

Q: How many grams of O are found in 7.40 x 1024 atoms of NO3- was produced?

A: 1 mol is equal to 6.022*10 raise to power 23 atoms. Mole in chemistry, a standard unit for measuring...

Q: C(CH3)3 Br2, hv *CH3 CH3 Ç(CH3)3 C(CH3)3 H;C-C-CH;Br Ç(CH3)3 *CH3 Br CH3 *CH3 CH2Br Br I. II. III. I...

A: Given:-   we have to find the major product of the above bromination reaction. 

Q: Suppose that a device is using a 12.0-mg sample of silicon that is doped with 1 × 10¬°% (by mass) ph...

A: 1 mol contains 6.022*1023 atoms. No of moles = Mass / Molar mass

Q: UmV for NAD+, fumarate, O2 and ectively, calculate the free energy for a pair of electrons originati...

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Q: Starting from acetylene and alkyl halides not longer than 4 carbon atoms, show the synthesis of 3-oc...

A: NaNH2 acts as strong base and it can abstract proton efficiently from acetylene. BH2/H2O2/OH- is a h...

Q: 10 g of a solute was dissolved in 80 g of acetone at 30°C. The vapour pressure was found to be 271 m...

A: When a non-volatile solute is added, the vapour pressure of solvent decreases. This could be calc

Q: A cylinder of gas has a pressure of 4.40 atm at 25°C. At what temperature, in K will it reach a pres...

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Q: Name the following Hydrocarbons, by using the IUPAC Rules and its common name. A =PARENT CHAIN, B = ...

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Q: The distance from the sun to Earth is 1.50 x 108 km. The speed of light is 3.00 x108 m/s. How many r...

A: Given, Speed of light - 3.00 × 108 m/s. Distance between sun and the earth - 1.50 × 108 km = 1.5 × 1...

Q: How many moles of sodium sulfate are produced when 120 g of sodium hydroxide reacts with sulfuric ac...

A: Dear student, since you have asked multiple questions but according to guidelines we will solve 1st ...

Q: Is carbon 1 an R or S enantiomer?

A: R configuration - Rotation is clockwise .  S configuration - Rotation is anticlockwise. 

Q: Hello, I'm working on equilibriums, I'm not quite sure how to do this type of question with finding ...

A: Given that, an equilibrium reaction is CO(g) + H2O(g) ↔CO2(g) + H2(g). Also, the equilibrium concent...

Q: What volume of 0.386 M KOH, V, can be neutralized with 70.0 mL of 1.68 M HNO,? V =

A: KOH and HNO3  are strong base and strong acid respectively 

Q: Determine which group has the highest priority in Carbon 1.

A: Priority of Groups.

Q: adding 2.302 g of solid NaOH to 800 mL of o.200 M HNO, (K_ = 7.2x104). a pH =

A: Answer: Reaction between NaOH and HNO2 will take place as shown below: HNO2(aq)+NaOH(aq)→NaNO2(aq)+H...

Q: 5. How many grams of water are produced from 2.5mol of oxygen? ( H2 + O2-> H2O SKR. 2.8 g RKS. 23 g ...

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Q: Calculate the answer, in correct significant figures, of the expression below antilog(2.580) + 10.03...

A: Calculate the answer in correct significant digit----

Q: Oshow the structulal foimulas of the organic compounds in the bromination of at 30°C wth iron(IHD ch...

A: Structural formula is the visual representation of the compound,it shows how atoms are bonded or att...

Q: The reaction described by the equation 0,(g) + NO(g) 0,(g) + NO, (g) > has, at 310 K, the rate law r...

A: Given: The concentration of O3 at (t = 0 ) =3.0×10-4 M The concentration of NO at (t = 0 ) =6.0×10-5...

Q: Explain how the law of conservation of mass serves as the basis for stoichiometry.

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Q: H + KOH + KI + H. H

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Q: solution is determined to be 4.3 S, and the diffusion coefficient to be 5.5x10-11 m2s-1 (vb = 0.74 m...

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Q: Consider the reaction. 2 Fe, O, 4 Fe + 30, = +824.2 kJ The formation of 84.0 g of Fe results in O th...

A: Recall the given reaction,  2 Fe2O3 ------>  4 Fe  +  3 O2           ∆Hrxn = + 824.2 KJ We have t...

Q: starting from acetylene and alkyl halides not longer than 4 carbon atoms, show the synthesis of 3-oc...

A: Detail synthetic scheme for 3-octanol and a ketone are given below

Q: If the legal minimum acetic acid content in vinegar is 1.50M, which of the two vinegar enthusiasts- ...

A:  % purity of KHP = 99.4 mass of KHP used = 0.540 g Volume of KOH required for standardization titrat...

Q: Compute for the volume of a 2.5 M sodium chloride solution which contains 71.3 g NaCl

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Q: Which of the two has at least one chiral centers? 1,1,2 trimethylcyclobutane or 1,1,3 trimethylcyclo...

A: Given :-  name of compounds :  1,1,2 trimethylcyclobutane 1,1,3 trimethylcyclobutane To identify :...

Q: The specific gravities (S.G.) of a number of radio-active components have been determined. The masse...

A: (a) The process is determining the specific gravities of radioactive elements.

Q: What is the speed of light in a diamond, if the speed of light in water is 139, 849.62 mps? *   A. 1...

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Q: Select from the dropdown menus if the hydrolysis products for each of the following reactions is cor...

A: Given,    Whether the hydrolysis products of each reactions are correct or incorrect = ? 

Q: There are three isotopes of Silicon. They have mass number of si^28 (27.976927) relative abundance o...

A: Given-> Si^28 (27.976927) = 92.2297 % Si^29(28.976495) = 4.6832 % Si^30(29.973770) = 3.0872 %

Q: Write the rate law for the two elementary reaction equations. 2 A(g)+B(g) –→ C(g)+D(g) rate = k X(g)...

A: Given:-   For Elementary reaction:- •Rate  is equal to product of rate constant with product of con...

Q: H3NH2 mixed with 0.50 moles of CH3NH3Cl in water. If 0.10 moles of HCl are added to this solution, w...

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Q: Which of the following gives rise to cis-trans isomerism in alkenes ? Select the correct response: p...

A: For cis-trans isomerism of alkene  Given Presence of two bonds  Presence of pi bond  Hybridization ...

Q: What happened to the hydrogen atoms that were present in the ascorbic acid?  Acid was added in this ...

A: What happened to the hydrogen atoms that were present in the ascorbic acid?  Acid was added in this ...

Q: HO, NH2 HO

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Q: Three elements such as GGG, SSS, and AAAA form a solid solution mixture. This solid mixture comprise...

A: Percentage composition of mixture = 15% GGG + 60% SSS and rest AAA. Molar mass of GGG = 72.59 g/mol ...

Q: Which type of reaction occurs when methyl chloride CH3CI is formed from chlorination of methane, CH4...

A: Given :-  Chlorination of methane :- CH4 → CH3Cl   Formation of methylc chloride from methane  To id...

Q: What mass in grams of NaCl would need to be added to 5201 g of water to increase the boiling tempera...

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Q: 8. A substance has the following composition by mass: 35.51 percent C, 4.77 percent H, 37.85 percent...

A: The molecular formula of any substance shows the no of different atoms present in that substance.  T...

Q: A substance gave a refractive index of 1.3949 and a density of 0.808 at 20°C. The molar refraction i...

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Q: Experiment data: (Imagine you obtain the data below) Sample ICP-AES signal Note 1000 ppb Fe solution...

A: Given data:

Q: A certain reaction has a relatively constant standard enthalpy of reaction of 36.2 kJ/mol between th...

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Q: Find the molarity of a solution made by adding 3.5g of CuSO4 to 1000g of water. MW= Cu: 64, S:32, O...

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Q: What would be the major product in the following reaction? OAc H3C, PhCu2Li

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Q: SOLVE ME! 1. Determine S for the reaction: SO(g) H2O(1) → H2SO«(1) Given: S°(J/K.mol): 256.2 69.9 15...

A: Given, SO3(g) + H2O(l) ➝ H2SO4(l) Species                 value of S°(J/K.mol) SO3(g)               ...

Q: The reaction A + B → C + D rate = k[A][B]? has an initial rate of 0.0700 M/s. What will the initial ...

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Q: Children's toys and jewelry were assessed for their contarmination by potentially toxic elements (PT...

A: 1 Ppb = 0.000001 mg/g 1 Ppm = 1 mg/L 1 ug = 0.001 mg

Q: Starting from acetylene and alkyl halides not longer than 4 carbon atoms, show the synthesis of 3-oc...

A:

Q: Which of these conditions will result in the least stable Fe(OH)3 sol? Select one: а. Positive O b. ...

A:                              Answer Metallic oxide, and metallic hydroxide,  Some dye used as positi...

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.