What is the Molecule weight of sarin gas?

Q: A solution contains 20.5g of NaCl dissolved in sufficient water to give a total mass of 166.2g. What…

A: Given :-  Mass of NaCl = 20.5 g  Mass of solution = 166.2 g  To calculate :-  Molality of solution

Q: Prepare a spreadsheet for the titration of 48.2 ml of 0.2025 M H2L with 0.1012 M N2OH, pKa1-3.65 and…

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Q: Which of the following describes the reaction: "N +He - "0+}H bombardment reaction O alpha decay…

A: Nuclear bombardment reaction is a nuclear reaction in which nucleus is bombarded by another nucleus…

Q: 2RO, (aq) + 12 H* (aq) + 3 M (s) = RO (g)+3M²* (aq) + 6 H20 (1) = 3.86 V. R: 5 valence e-,…

A: In the given reaction RO3- reacts with M to form RO And M2+

Q: Arrange these species by their ability to act as an oxidizing agent. Best oxidizing agent Poorest…

A: Oxidising agent is that species which oxidises the other and reduces itself whereas reducing agent…

Q: Balance the following equation by filling the gaps with appropriate numbers. SrCl2 Sr HCI H2

A: Balanced chemical equations are those in which number of atoms on left  hand side and right hand…

Q: Selogib e sy 3. Draw the most appropriate Lewis structure(s) for the ion BH,. What is the electron…

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Q: Which of the following will reduce KMnO4 and produce a brown precipitate? 2,2-dimethylpentane…

A: The reduction of KMnO4 (violet-pink) color to brown precipitate (MnO2) is a test for the detection…

Q: Explain why salts can be acidic, basic, or neutral.

A: Salt is formed by the reaction of acid and base.

Q: How many moles of HCl are contained in 100mL of 0.15M HCl?

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Q: An iron nail is put into a solution of copper nitrate, iron is above copper in the activity series…

A: Correct option is a) Fe(s)+Cu(NO3)2   ⟶Cu(s)+Fe(NO3)2 When an iron nail is dipped in copper nitrate…

Q: 1. CH,OH Br Br2 HBr ÓCH, 2. CH2 Li a = Proton transfer d = Radical chain addition g = E2 Elimination…

A: The mechanism by which the reaction proceeds is:

Q: Write balanced, net ionic equations for each of the five reactions and, using the scheme outlined in…

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

Q: 2 N205 (s) 54 NO, (g) + 02 (g) AG;° (kJ/mol) N2O5 (s) 117.7 NO2 (g) 51.8

A: From the standard Gibbs free energy data □G° = [Total Gibbs free energy of products] - [Total Gibbs…

Q: Number of atoms of Carbon in 9 moles of C4H10 are: O 24.09x10^23 O 3.74x10^23 O 216.79x10^23 O…

A: Avogadro's number is the number of units in one mole of any substance ( molecular weight…

Q: (CH, CH,), N :0: || NH, — С — NH, :0: - CH, — С — сн, - | CH,CH,OH но — сн, — сH,— он :0: CH3 CH,-C-…

A: The correct answer about solubility is given below

Q: An electric current of 25.80 A transports 0.30 kC of charge. Calculate the time this took. Be sure…

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Q: Based on the reaction below, what is the correct K, expression for the this complex ion? 3+ Co3+ +…

A: Kf for equilibrium reaction is :-  Kf = [product]÷[reactant]

Q: Consider the titration of 50.0 mL of 0.0500 M NaCl with 0.100 M AgNO3. Calculate pCl at various…

A: 1,2

Q: Acids turn blue litmus paper red. Does the red litmus paper change color with acids? acid acid blue…

A: Litmus paper is used to indicate acidity or alkalinity of solution.

Q: Calculate the temperature in oC when 2.50 moles of argon occupy 25.0 L at 1.20 atm. Write the ideal…

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Q: 6. One way to increase volume of a gas is to A. increase the temperature B. increase the volume C.…

A: By ideal gas equation,  PV = nRT => volume is directly proportional to temperature .  ••And…

Q: following compound: sodium azide Identify a suitable synthesis that could be used to achieve the…

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Q: Why does diffusion in solids important?

A: The  correct answer about diffusion in solids is given below

Q: Use ligand group orbital approach to describe the bonding in [CO3] 2- . Include schematic…

A: Carbonates [CO3] 2-are polyatomic ligands. They are found to bind to two or three metals…

Q: Which of the following describes the reaction: 10 TI → °,e + 0Pb 2101 82 Obombardment reaction…

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Q: why do you need to determine the concentration of the sodium hydroxide (NaH) using potassium…

A: Before using NaOH to determine the concentration of acetic acid in vinegar, we need to determine its…

Q: For the reaction below, the DH° = -113.1 kJ/ %3D mol and DS° = -145.3 J/K-mol. Calculate the…

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Q: R: 5 valence e-, electronegativity of R = 3.3 M: 2 valence e-, electronegativity of M=0.5 O and H…

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Q: Describe the energy output, initial substrates, and end products of the glycolysis process.

A: Glycolysis is a cytoplasmic pathway which breaks down glucose into two three-carbon compounds and…

Q: Identify 2 cosmetic ingredients (either in cosmetic or toiletry products) that are classified under…

A: We have to find 2 cosmetic ingredients comes under the categories of Skin sensitizer. Skin irritant,…

Q: What is the % pH change if a student added 0.0025 mol of Ca(OH)2 to a 1.00 L buffer solution…

A: % pH change will be calculated using the formula as shown: % pH = ( Change in pH / Original pH ) ×…

Q: According to VSEPR theory, what determines the geometry of a molecule?

A: Please find your solution below : VSEPR (valence shell electron repulsion) theory is a theory used…

Q: solution (in water) and 0.2M Tris-HCl, pH=8.00. For this part, the concentration of PNPP will remain…

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Q: ce (OH ].

A:

Q: 1ven Sred thered J ietiesontprotong nd the gorey hered repted onds ४क स १००nछ क्काण्छ ए o०४०…

A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is…

Q: Experimental value kJ/mol Accepted value kJ/mol Percent error %

A: q = m cs ∆T q = quantity of heat Where, m = mass of solution (total mass) cs = specific heat of…

Q: 13. A 2.5-L flask at 15°C contains a miyture of Na. He and Ne at partial pressure of 0.32 au N2,…

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Q: How many molecules of sucrose are in 3L of a 4 molar solution of sucrose?

A: Given: Volume of solution = 3 L Molarity of sucrose solution = 4 M

Q: Calculate the Gibbs free energy (AG°) of the reaction below. Is this reaction spontaneous or…

A: At standard condition Gibbs free Energy explain maximum work done by a thermodynamical system .

Q: Arrange in order of decreasing acidi

A: A substance is said to be acidic if can donate or lose H+ ion  The strength of acid depends on the…

Q: 9. A sodium thiosulfate solution is standardized using pure copper as the primary standard. A sample…

A: Step 1. Cu2+ ion liberated iodine from KI 2Cu2+   +  4I- → 2 CuI (aq) + I2 Step 2. Liberated iodine…

Q: Differentiate the scents of Lemon and Orange extracts

A: Lemon and orange extract are the flavouring material use to add flavour along with that these are…

Q: 24. What products are formed when the amine below reacts with HCl? H. N-CH,CH,CH,CH,CH;CH3…

A: Bronsted-Lowry acid-base theory: The Bronsted-Lowry acid-base theory states that the acid is a…

Q: An electric current of 284.0 mA transports 680. µC of charge. Calculate the time this took. Be sure…

A: The current flow in unit time is known as current. The calculation of the current can be done by…

Q: What role do you think the government should have in GMOs and why?

A: Please find your solution below : GMOs or Genetically Modified Organisms are the animals, plants or…

Q: The enthalpy of the formation of ammonium chloride is AH° = -175.9 kJ/mol at 25°C. Calculate the…

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Q: 1) Write the solubility product equilibrium and the solubility product constant expression for…

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

Q: For the reaction below, the AH° = -113.1 kl/mol and AS° = -145.3 J/K-mol. Calculate the equilibrium…

A: ∆G° =  ∆H°-T∆S° ∆G° = -2. 303 RT logK

Q: Cl-C-C-Br ČI HB НА НВ *10. Explain the patterns and intensities of the isopropyl group in isopropyl…

A: The correct answer about NMR spectrum is given below