Standard solution is used to determine theconcentrations of ------ substances.( other, many, some) Your answer

Q: please help...draw a physical structure of the molecule

A: In the given problem we need to draw as a 2D physical structure of the molecule.

Q: EXERCISE 1: Calculate the pH of a 0.50 M HA at 25°C. At 25°C, the acid dissociation constant (K₂) of…

A: Given Initial concentration= 0.500 M

Q: Draw the lewis structure for Na2Cl₂??

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Q: When AgNO3 dissolves in water, what ions does it break apart to form in the resulting solution?

A: Here we have to determine the ions produced when AgNO3 dissolves in water.

Q: 3 molal solution is more concentrated than 3 molar solution. O True O False

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Q: 15) At elevated temperatures, nitrogen dioxide decomposes to nitrogen oxide and oxygen: NO2 (g) → NO…

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Q: A student uses a pH meter in the lab to test a solution and determines that the resulting pH is…

A: pH of a solution is defined as negative logarithm of hydronium ion concentration.    pH = -log[H3O+]…

Q: The work done by an isothermal reversible expanding of 1 mol of an ideal gas from a volume of 20 L…

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Q: 8) The product of Claisen condensation is a) a-keto ester b) B-keto ester c) 8-keto ester 9)…

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Q: For the following photochemical ionization of H2, find the rate equation for the disappearance of…

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Q: The equilibrium constant for a particular reaction has been measured at different temperatures. The…

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Q: Balance the following reaction in a basic solution: CrO+HSnO,CrO, +HSnO,

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Q: Give a clear handwritten answer with explanation..complete the following reaction....

A: Given Complete the oxidation reaction

Q: EXERCISE 1: Calculate the pH of a 0.50 M HA at 25°C. At 25°C, the acid dissociation constant (K₂) of…

A:

Q: Given the following information: hydrocyanic acid hydrofluoric acid HCN HF Ka = 4.0E-10 K₂ = 7.2E-4…

A:

Q: For the equilibrium N2O4(g) 2NO2(g), at 298 K, Kp = 0.15. For this reaction system, it is found that…

A:

Q: Draw the lewis structure for Na2Cl2??

A: Here we  have to draw Lewis structure for Na2Cl2. Chemically it is not right ratio for Na and Cl. As…

Q: 1) There are four possible isomer of alcohols with the molecular formula C4H₁0O. Which one produced…

A: Find out the structure by 13cnmr spectrum  C4H10

Q: When a 15.7 mL sample of a 0.362 M aqueous hypochlorous acid solution is titrated with a 0.307 M…

A:

Q: А. B. 4. Which of the following would you expect to have the most negative ∆S? I OH ОН || IV с. D. I…

A: Option D has maximum negative ∆S .

Q: Q10. A runner runs 4875 ft in 6.85 minutes. What is the runner's average speed in miles per hour?…

A: 10) Given, Distance a runner runs = 4875 ft  Time taken = 6.85 min Runners average speed = ? mi/hr…

Q: 8. A 1.000 L buffer solution contains 0.250 mol/L. NH, and 0.250 mol/L. NH, CL K=1.8x10 Determine…

A: We have to calculate the pH

Q: How many grams of solid sodium nitrite should be added to 2.00 L of 0.117 M nitrous acid solution to…

A: Here we are required to find the mass of sodium nitrite needed to prepare buffer of pH =4.25

Q: 14. Draw the long form electron configuration for chlorine

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Q: When a 28.6 mL sample of a 0.394 M aqueous hypochlorous acid solution is titrated with a 0.481 M…

A: The solution is given below -

Q: 9. Determine if a precipitate forms when 800.0 mL of 2.00 x 10' M BINO) is added to 200.0 mL of 5.00…

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Q: what would be the percent yeild for the reaction?

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Q: number of moles of the solution mole fraction of the solute What is its -mole fraction of the…

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Q: What is the expression for the maximum initial steady- state velocity of the reaction? What is the…

A: The solution of the given question is

Q: Please give me at least 10 facts about chemical reaction, so that I can make a poem about it. Thanks

A: A chemical reaction have following facts 1) In a chemical reaction defined as a process in which…

Q: Draw the lewis structure for Na2Cl₂?

A:

Q: B) Give correct name for each of the following compounds: (Choose 3 only) CH₂ H₂C- NH₂ 1) CH 3) 4)…

A: 1) This compound has total seven carbon atoms, with one double bond between first and second Carbon…

Q: * 3 molal solution is more concentrated than 3 molar solution. True 0 False

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Q: Quien at noe 2 H₂0₂ (ar) → 2H₂0 (1) + 0₂ (g) Orien Laty [H₂0₂] M 1.22x10-2 8.04 x 10-3 5.30x10-3…

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Q: Oxidation process can happen between metal and organic solvent. O True O False *

A: Here we have to predict the true and falseness of the following given statement.

Q: Draw the lewis structure for Na2Cl₂??

A:

Q: If someone consumes 21 g of sodium chloride per day, what mass (in grams) of sodium does that person…

A:

Q: Q2/Suggest a mechanism and give name reaction for each the following reactions: 1) acetic anhydride…

A: Using Reaction mechanism.

Q: Fusion reactions can only occur at high temperatures (thermonuclear reactions). Explain this…

A: The energy liberated is carried primarily by gamma positrons, and neutrinos, as can be seen from the…

Q: The structure of an atom, theoretically consisting of a positively charged neutral False *

A: An atoms structure consists of positively charged nucleus surrounded by the negatively charged…

Q: A solid mixture containing MgSO4 is dissolved in water and treated with an excess of Ba(NO3)2,…

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Q: 12. Draw the following galvanic cell including the flow of electrons, half cell reactions and…

A: There occurs anode half reaction and  cathode half reaction.

Q: 16. How would you best classify the sublimation of CO₂? * A Chemical change because C-O bonds are…

A: Sublimation is defined as directly conversion of solid to gaseous state by absorption of heat .…

Q: Given the following information: formic acid Ka = 1.8E-4 HCOOH HCIO hypochlorous acid Ka = 3.5E-8…

A: Here both are acidic in nature,but one with higher Ka value will act as acid and other one will be…

Q: The equilibrium constant for a particular reaction has been measured at different temper 1/1…

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Q: How much CO2 is formed from the reaction of 5.0 g of baking soda

A: Amount of CO2 formed = ? Amount of Baking soda = 5.0 g Molar mass of Baking soda = 84 g Molar mass…

Q: Write a chemical equation for the reaction where potassium soap is converted into sodium soap

A: We have asked to write the chemical equation for reaction where potassium soap is converted into…

Q: For the processes the manufacturer tested in March, April, and May, which metals had their levels…

A: From literature, the standard reduction potential of the metals mentioned are as follows,…

Q: Carbon tetrachloride (CC14) has a normal boiling point of 75.38 °C, and an enthalpy of vapourization…

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Q: 1. Write the hybridization of each carbon atom:

A: