Calculate the pH when 10.0 mL of 0.150 M KOH is mixed with 20.0 mL of 0.300 M HBrO (Ka = 2.5 × 10⁻⁹)

Q: For the decomposition of gaseous dinitrogen pentaoxide, 2 N₂O5(g) 4 NO₂(g) + O₂(g) the rate constant…

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Q: What happens to the reaction below when more A is added to the reaction mixture? A (g) + 4B (g) ⇌…

A: The question asked about the effect of adding more A to a chemical reaction mixture, which is an…

Q: chemical reaction has rate constants of 50L/mol s at O C and 100 L/mol s at 10 C. Most nearly, what…

A: R is gas constant and it is equal to 8.314 j/mol k

Q: Which of the following statements is correct, based your Gaussian16 calculations of a water molecule…

A: b is correct as both are double zeta basis sets so number of basis functions remains constant.

Q: A radioisotope of iodine, 1311, is used to study thyroid function. A patient is given a sample that…

A: Since the decay process is first order  Hence we can say that  A = A0e–Kt  where A = final…

Q: Loy Experiment 5: Generating Hydrogen Gas Part B: Molar mass of unknown metal Mass of unknown metal…

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Q: Draw and discuss in with a concentration of 106 M. aix plor Ni + H₂O = Ni(OH)₂ + 2H+ + 2e™ 3Ni(OH)₂…

A: A Pourbaix diagram is a plot of the equilibrium potential of electrochemical reactions against pH .…

Q: What is the normality of a 4-L solution of 50.12 g sulfuric acid (MW=98.0 g)?  a 0.13 N  b None of…

A: Given  Volume of solution= 4 litres Mass of sulphuric acid = 50.12 gm Molecular weight= 98 gm

Q: Classify each of the following as a Lewis acid or a Lewis base. Drag the appropriate items to their…

A: We have to classify the given species as Lewis acid and Lewis base. Introduction:  Lewis acid: A…

Q: oiled coils are protein domains that lead to the formation of multimers (dimers, trimers,…

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Q: Consider the titration of a 21.0-mL sample of 0.110 M HC2H3O3 (Ka=1.8×10−5) with 0.120 M NaOH... 1.…

A: the question is based on calculation of pH in a  titration of weak acid with a strong base.

Q: Decide whether the Lewis structure proposed for each molecule is reasonable or not. molecule BF 3 Be…

A: Lewis Structure is a very simplified representation of the valence shell electrons in a molecule. It…

Q: ecide whether the Lewis structure proposed for each molecule is reasonable or not. molecule proposed…

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Q: Solve for the Keq of these 2 successive reactions at 25C.  (Glcose-1-phspte to glcose-6-phspte G'=…

A: Given that: ∆G1o (for glucose-1-phosphate to glucose-6-phosphate) = -1.75 kcal ∆G2o (for…

Q: Magnesium pieces (0.49 g) react in dilute acidic solution (141 mL) as follows: Mg(s) + 2 HCl(aq) →→…

A: Mass of magnesium reacted = 0.49 g  Volume of dil HCl = 141 mL  Change in temperature= 22.2o C to…

Q: A solution is prepared that is initially 0.49 M in hypochlorous acid (HClO) and 0.12 M in sodium…

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Q: You are using a Vernier Colorimeter to measure the concentration of Yellow dye #6 in Powerade Which…

A: Yellow dye #6 has a maximum absorption at around 430 nm, which means that it will absorb light most…

Q: Mg(s) + 2HCl(aq) → MgCl2 + H2(g) You will measure the rate of the reaction using a continuous…

A: Rate of reaction can be obtained by monitoring how fast/slow a reactant is being used up or how fast…

Q: Which of the following describes the change in entropy? Select the correct answer below: O O O grev…

A: Entropy is a thermodynamic property that measures the degree of randomness or disorder in a system.…

Q: Consider the weak acid, HA, in water as shown in the reaction below. The [HA] is 0.430 M and the k a…

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Q: Given that at 25.0 °C ● calculate ● -10 Ka for HCN is 4.9 × 10- and Kb for NH3 is 1.8 × 10-5, ● Kb…

A: Autoionization constant of water is depicted as KW.  The autoionization constant for water is given…

Q: 1.35mol of copper reacts with an excess of silver nitrate according to the reaction above. from this…

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Q: The percent yield of this reaction is 70.0%. 2Al(s)+3 F2(g)⟶2AlF3(s)  Determine the mass, in…

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Q: Explain the reason cooks are advised to put salt in water that is to be boiled. Explain the reason…

A: Salt is a commonly used substance in both cooking and winter maintenance. Its unique properties…

Q: significant digits. Include the sign whether its + or - I. Hess Law Consider the following…

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Q: How many cis/trans isomers does this molecule have? Enter the number in the box above the drawing…

A: Cis isomer contains the same group of atoms on the same side of a bond of restricted rotation. Trans…

Q: 18. Name the following compounds: a. N I-Z CH3CH₂CH=CCH₂F I CH₂

A: The International Union of Pure and Applied Chemistry (IUPAC) has established a set of rules to…

Q: 10. What is the major product of the reaction between 1-heptene and HF? a. 1-fluoroheptane b.…

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Q: calculate the number of moles of calcium in the sample of mass of calcium is 1.452 calcium chloride.…

A: Given Mass of calcium = 1.452 g

Q: The following information is given for manganese at 1 atm: T2095.00°C Tm 1244.00°C Specific heat…

A: Answer: Heat supplied to solid Manganese will be used in two steps: 1. To raise the temperature of…

Q: Energy (kJ) 4. Consider the figure shown below in answering the questions: 160 140 120 100 80 60 40…

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Q: 000 о CI ОН Diastereomers Constitutional isomers Identical molecules Enantiomers and *** CI ОН

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Q: 10. Phosphoric acid is used in rust-remover solutions. The aqueous acid is available for purchase by…

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Q: For the equilibrium CH4(g) + H₂O(g) CO(g) + 3H₂(g) AH = 206.2 kJ select all that apply. Compressing…

A: Le Chatelier's principle is a physical law that states that when a chemical system at equilibrium is…

Q: Correlate the structures of the standard food dyes to their relative position in the paper…

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

Q: 2d. State, with justification, whether you expect nitric oxide (NO) to be a stronger or weaker…

A: Your explanation is generally correct.

Q: . a) for a buried iron tank protection system using a sacrificial anode, which metal would you use…

A: A question based on corrosion. 3 subdivision questions are given that are to be answered…

Q: What mass of Na2SO3 is needed to make 20.0 mL of a 1.00 M solution? Molarity (M)= moles / Lite 2520…

A: Given  volume of Na2SO3 solution = 20.0 mL = 20.0 mL x ( 1 L / 1000 mL) = 0.020 L molarity of the…

Q: Complete the balanced molecular chemical equation for the reaction below. If no reaction occurs,…

A: It is based on the different types of the reaction  Here we are required to balanced molecular…

Q: QUESTION 7 One mole of particles of any substance contains how many particles? 3 x 10-10 particles 3…

A: 7) The value of the mole is equal to the number of atoms in exactly 12 grams of pure carbon-12.

Q: What volume of ClF3 will be produced when 75.0ml of F2 reacts with 25.0 mL of Cl2 according to the…

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Q: Consider the weak base, B -, in water as shown in the reaction below. The [B -] initially is 0.340 M…

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Q: What is the pH of a 0.785M solution of formic acid,HCHO2?The Ka of HCHO2 is 1.77x10-4?

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Q: Complete the table below. Round each of your entries to 2 significant digits. You may assume the…

A: Since,Conjugate acid is obtain by adding hydrogen ion.Conjugate base is obtain by removal of…

Q: provide the IUPAC name of the following compound

A: IUPAC nomenclature rules for alcohol: • Identify the longest continuous carbon chain. • Identify the…

Q: 1. Which of the following would result from the oxidation of a secondary alcohol? a. A primary…

A: The alcohol gets oxidized to its carbonyl form.  Primary alcohol gets oxidized to aldehyde in…

Q: 8. Which of the following cannot be oxidized? a. A tertiary alcohol b. A secondary alcohol A primary…

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Q: Rank the alkyl halides in each group in order of increasing SN1 reactivity. Br Br ut to e Br a. b.…

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Q: Calculate the pH of a 0.10 M solution of barium hydroxide, Ba(OH)2. Express your answer numerically…

A: We have to calculate the pH of the solution

Q: Can you summary between your 2 previous answers which one is correct?

A: NO has an unpaired electron in its 2π* orbital, which makes it more prone to accepting electron…

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.