Fill in the reagent, reactant, or product as required.

Q: Arrange the following weak acids: Oxalic acid (pKa=1.23), Lactic acid (pKa-3.08), Citric acid…

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Q: H. NH₂ H NaBH3CN (C8H15N)

A: A question based on reduction reaction in organic chemistry. An organic compound with dialdehyde and…

Q: Consider a galvanic cell based on the reaction   2 Fe2+ (aq)     +   Cl2 (g)   ------------>2 Fe3+…

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Q: During the hydrolysis of esters, what was the purpose of adding 1 mL of 10% sodium hydroxide to the…

A: Hydrolysis of ester is a reversible process in aqueous solution and it gives carboxylic acid and…

Q: Determine the pOH of each solution. (a) [H3O+] = 1.2 × 10-8 M (b) [H3O+] = 5.5 × 10-² M (c) [H3O+] =…

A: pH is equal to negative logarithmic of hydrogen ion concentration

Q: Experiment name: Kinetics of the [S208]2- (Peroxodisulfate(VI) ion) - I (lodine) reaction by the…

A: A traditional chemical clock demonstration experiment to show chemical kinetics in action is the…

Q: why does alkaline phosphatase optimal at pH of 8 rather than pH 7

A: We need to explain why does alkaline phosphatase optimal at pH of 8 rather than a pH 7. The enzymes…

Q: Maximum 50 words Short answer please Thank you

A: the question is about atomic models in different times.

Q: Question 3 AC 1.4 (a) Many of the oxides of period 3 elements react with water giving solutions…

A: Oxides of period 3 can be basic, amphoteric Or acidic. Oxides of Na, Mg are basic,oxide of Al is…

Q: The acid dissociation K of propionic acid (C₂H₂CO₂H) is 1.3 × 105. Calculate the pH of a 2.5 x 10 M…

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Q: For the following chemical reaction, CO (g) + H₂O (g) CO2 (g) + H2(g) Kc = 0.0257 If a 2.00L vessel…

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Q: Why do vaccinations work? O They create a psychosomatic effect that makes your immune system better…

A: Answer of the given question is shown below:

Q: 17. Give IUPAC names for the following alkenes. a. HX b. s

A: Since,Rule of IUPAC-1) Longest chain as parent chain.2) Numbering start from those side where more…

Q: Al₂O₂ (s) + 2Fe(s) → 2Al(s) + Fe₂O₂ (s) CO₂(g) + 2H₂O(g) → CH₂(g) + 20₂ (8) - ΔΗ = AS = 2044. AG =…

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Q: ▾ Part B 12C+H³C+? Express your answer as a particle.

A: Two questions based on nuclear reaction. Incomplete nuclear reactions are prescribed whose products…

Q: QUESTION 1 Tom and Jerry are rolling a six-sided dice. What's the probability that Tom gets a six…

A: The correct answer will be 1/36 The probability that Tom gets a six and Jerry gets a five is (1/36)

Q: 50.00 mL of a solution of an unknown acid is being titrated. After adding 5.00 mL of 0.1000 M NaOH…

A: Answer:- This question is answered by using the simple concept of calculation of pKa of the acid…

Q: Exercise helps you to sleep [Select] Exercise [Select] Exercise [Select] Exercise [Select]…

A: Answer of the given question is shown below:

Q: 7:50 H2(g) + CO(g)

A: The given reaction is -->  H2O(g) + C(s) --> H2(g) + CO(g)

Q: -9 Calculate the pH of a 7.7 x 107 M aqueous solution of hydroiodic acid (HI). Round your answer to…

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Q: Imagine an alternate universe where the value of the Planck constant is 6.62607 J-s. In that…

A: de-Broglie proposed that matter such as radiation acts as both particle and wave. According to…

Q: Which of the following is the missing reactant in the reaction below? Select one: a. b. CH₂CH₂OH i…

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Q: is the answer in its correct pH significant digit placements?

A: Given that, 35.0 mL of 0.5000 M HF solution is mixed with 37.5 mL of 0.5000M of NaOH solution. We…

Q: 8. 9. 10. 11. 12. o H 1. HIO4 1. 03 2. Zn 1. KMnO Cold 1. CH₂l2/Zn/Cu 1. Os04 2. NaHSO3

A: Have to find the product

Q: The decomposition of N₂O5 to NO2 and O2 is first order with respect to the reactant N2O5 and first…

A: It is given that the decomposition of N2O5 to NO2 and O2 is first order with respect to the reactant…

Q: 4a. An exothermic reaction releases energy, explain why this energy is written on the right side of…

A: The question is about exothermic reaction.

Q: 10.5 mL of 0.139 M Mg(NO3)2 is mixed with 11.9 mL of 0.625 M NaOH. Calculate the final concentration…

A: The balanced chemical equation is  Mg(NO3)2(aq)+2NaOH(aq) →Mg(OH)2(s) +2NaNO3(aq)

Q: Macmillan Learning Use bond energies to calculate the energy change for this reaction. CH3 H3C-C-H…

A: The change in bond energies can be calculated as, ∆B.E. = ΣB.E.reactant - ΣB.E.product The bond…

Q: Calculate the sample standard deviation, s, for this set of data: 1.3, 1.4, 1.1, 3.5, 3.1, 3.3…

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Q: 5a. The relationship between energy and wavelength is described by the equation, E = hv = hc/A.…

A: Here we have to find out why gamma rays are harmful but visible light is not. It can be explained…

Q: The Doppler effect is one of the sources of the line broadening in atomic absorption spectroscopy.…

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Q: 13. Predict the products of the reaction shown. OH O CH₂CHCH₂CH2H₂O, H 1. CH MgBr (1 equiv.) 11 D…

A: alcohols react with Grignard reagent to form alkanes

Q: At a certain temperature this reaction follows first-order kinetics with a rate constant of 0.00108…

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Q: Calculate the expected pH of these three NaOH solutions, complete the table, answer the questions…

A: First we need to calculate the expected pH using the given molarity of NaOH solution.  Then we can…

Q: Consider the reaction: 4Al(s) + 3O2(g) → 2Al2O3(s).   What is the percent yield of aluminum oxide…

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Q: 6. Write a balanced molecular equation for: Solid calcium carbonate is heated and decomposes to…

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Q: E n 0 Р CH₂OH HO OH OH HCI HBr HI HCI

A: These type of reactions are called substitution reactions. Let us discuss the mechanism of each…

Q: How many grams of silver will be obtained when the aqueous silver nitrate solution is electrolyzed…

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Q: For the following chemical reaction,      CO (g)   +   H2O (g)      CO2 (g)   +   H2 (g)     Kc =…

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Q: Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous…

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Q: (1) Draw the arrow-pushing mechanism of the following reaction: Br CH₂OH OCH3

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Q: What is the pH of 500mL of a buffer solution of HC3H5O3 0.0570M and C3H5O3Na 0.0275M?   Ka of…

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Q: A sample weighing 0.4123 g contains a mixture of benzoic acid (122.123 g/mol) and acetylsalicylic…

A: Number of mol = mass/molar mass Number of mol  of benzoic acid + Number of mol of acetyl salicylic…

Q: Consider the reaction:  3 Mg + N2 → Mg3N2   A given reaction yielded only 6.0 g of the Mg3N2 which…

A: We are provided that, a given reaction yielded only 6.0 g of the Mg3N2 which represents a 50 %…

Q: Calculate the pH of each solution. (a) [OH-] = 1.9 × 10-7 M (b) [OH-] = 2.6 × 10-8 M 10-¹¹ M (c)…

A: pH of the solution is given by the formula, pH =14-pOH =14-(-log[OH-])

Q: 14. Consider the following energy diagram for a reaction. Calculate the activation energy Ea and the…

A: An energy diagram for a reaction is given. We need to find the activation energy, Ea and Enthalpy of…

Q: A certain half-reaction has a standard reduction potential Ered=-0.70 V. An engineer proposes using…

A: The cell potential needed by the engineer is 1.40 V or greater. The reduction potential of…

Q: 0: HO

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Q: Describe the variation of first ionisation energy moving across Period 3, from left to right

A: Ionization energy is defined as amount of energy required to remove the most loosely bound electron…

Q: where did the 0.0257 come from?

A: The given reaction is CO(g) + H2O(g) ⇔CO2(g) + H2(g)       KC =0.0257