Question L For the reaction A(aq)--> B(aq) the change in the standard free enthalpy is 2.55 kJ at 25 °C and 5.00 kJ at 45 °C. Calculate the value of this reaction's equilibrium constant at 75 °C.

Q: if we increase the number of trials, what will happen to the uncertainty ? and what is the…

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Q: In the second solution is that suppose to be 0.203 or 0.283

A: We have to clarify the answer of the second solution is  0.203 or 0.283.

Q: We measure the absorbance of a protein solution with the concentration 0.006M, which absorbs at…

A: Concentration (c) of protein solution = 0.006 MPath length (l) of cuvette = 1 cm molar absorptivity…

Q: Can you show me  how to do the quadratic equation with this problem?

A: The Kp is the equilibrium constant in terms of partial pressure of all the gases and is the ratio of…

Q: A student accidentally overshoots the end point and adds too much hydrochloric acid. Is the…

A: Since the reaction taking place is  KOH + HCl ----> KCl + H2O Hence from the above reaction we…

Q: Question What is the molar absorptivity if a solution has a concentration of 0.0150 M and an…

A: The concentration of the solution = Absorbance = The path length = We have to calculate the molar…

Q: An analytical chemist is titrating 153.5 ml. of a 0.06100M solution of ethylamine (C₂H₂NH₂) with a…

A: Answer:-This question is answered by using the simple concept of titration of weak base against the…

Q: How do we do question D

A: In the reaction D, substituted cyclohexane is given. Reagent can act as a nucleophile, as well as…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: Analysis of the solution and the reaction that will occur:Given:1.8 mol of NaOH is added to 1.0 L of…

Q: My Professors asked me to make a standard curve for Gallic acid and she asked me to follow the…

A: To create a standard curve for Gallic acid, we would typically follow these steps:Preparation of…

Q: When the following molecular equation is balanced using the smallest possible integer coefficients,…

A: Molecular equationSmallest possible integer coefficients for a balanced equation : Need to be…

Q: Calculate the Ką for acetic acid based on the half-neutralization point measurements? Round your…

A: When we titrate an acid with a base, neutralisation reaction occurs resulting in the formation of…

Q: Hemoglobin is an example of where the prosthetic group is DA. chromoprotein, iron-bound porphyrin…

A: Hemoglobin is the protein in red blood cells that helps in oxygen transfer between the lungs and…

Q: Give detailed Solution with explanation needed..give the name of given compound

A: IUPAC stands for International Union of Pure and Applied Chemistry. It is an international…

Q: how to find screening constant for elements like for example, He?

A: In an atom, each electron experiences less attraction than the actual nuclear charge because of…

Q: i) A liter of sulfuric acid solution containing 147.0 g of H,SO, has a density of 1.29 g/cm³.

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Q: Write the balanced reaction equation for aqueous ammonia and acetic acid forming aqueous ammonium…

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Q: Trial Trial 1 2 Mass of acetic acid 30.01 30.03 solution Volume of NaOH added to half- 5.83 5.83…

A: For this question we are given,  pH for first trial = 4.72 pH for second trial = 4.70 We need to…

Q: Conclusion questions

A: A question based on ideal gas equation, which is to be accomplished.

Q: Predicting acid or base strength from the conjugate Order these chemical species by increasing pH of…

A: Acidity is defined as the ability of a molecule to release protons. if a compound  easily donate…

Q: When plotting the standard calibration curve for equilibrium constants the independent variable is…

A: In a graph - - independent variables are plotted on the X-axis (horizontal axis).  - dependent…

Q: If a solution is red in color, what color and approximate wavelength range would it absorb the most?

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Q: Chemistry Select the choice with words that best fills in the blanks in the following statement The…

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Q: Explain why iodine solution must be restandardized when it's used in titration with ascorbic acid…

A: Vitamin C is also called ascorbic acid, is a type of vitamin and important antioxidant present in…

Q: Please explain how you got your answer and/or state the name of the concept. Thank you! oll ? CI

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Q: Consider the species CH3O-, NH2-, and CH3COO-. Write and rank these ion’s conjugate acids in the…

A: The answer to the following question is given as -

Q: Define the following terms.  End point

A: The end point describes the equivalence point of the titration.

Q: Value of (5) is equal ат JP/V ат aP/V ӘР ( ат у ӘР as V to....

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Q: 1. H3CLi 2. H3O+

A: Here given:-

Q: Of the following carbocations presented! Which of the following is/are likely to rearrange? Select…

A: The objective of this question is to find which of the given carbocations most likely to rearrange.

Q: A(n) ___________ property describes the behavior of asubstance when it reacts or combines with…

A: Chemical reaction takes place when the substances combine with each other to form the product. The…

Q: If the equation produces from data is y = 0.343x - 1.021 and the absorbance for the unknown is…

A: Given data: Equation obtained from graph, y = 0.343x – 1.021 Absorbance (A) = 0.386

Q: Describe the systems that involves with the ionic species. Provide the related equation.

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Q: A. Oxidant B. Electrode discharge lamp C. Detector D. Discrete atomizer E. Nebulizer atomizer F.…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: For A crystal violet hydroxide lab, The procedure requires to set the wavelength at 595 nm. Why do…

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Q: Why does the fluorescence quenching happen?  Please shortly answer at your own words. Answer should…

A: A molecule of a substance after absorbing UV/Vis light gets excited to upper energy level from the…

Q: In the Mohr Method Determination of Chloride, why must the titration be in neutral condition to be…

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Q: What, precisely, is Redux

A: Redux is a predictable state container for java script apps . It is used to store the global central…

Q: Order these chemical species by increasing pH of an 0.1 M aqueous solution of each. That is, imagine…

A: Answer:As, the pH of the solution of particular specie decreases from 7, it becomes more and more…

Q: Answer briefly. How is the buffer capacity affected by the ratio of the conjugate base to the…

A: Ratio of conjugate base to conjugate acid determines the effectiveness of the buffer. More the ratio…

Q: pH measurements of a chemical solutions have mean 7 with standard deviation 0.07. Assuming all pH…

A: Answer:   as per the Z value Z = (x -  mean ) /  standard deviation For : X<7 P(X<7)…

Q: What do you understand by estimation? Justify that using higher values of Cl gives better…

A: Answer - Estimation - Estimation (or estimating) is the process of finding an estimate, or…

Q: for part b, there's two hydrogens attached there tho; does this mean both hydrogen are most acidic?

A: Given problem based on concept of acidity.Methylene group means -CH2  group.