1,922 Joules of heat are added to 42.5 grams of water, initially at 20∘C. What is the final temperature of the water?

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Q: Consider the following reaction where K. = 1.20x10-2 at 500 K: PCI5 (g) PCI3 (g) + Cl2 (g) A…

A: Q = reaction constant = [product]/[reactant]  For equilibrium, Q = Kc

Q: Multiple Choice rate = k [X] rate = k [X)?rY] %3D rate = k [X[Y] %3D rate = k [x]2 %3D

A: For the reaction  X + Y ------ Z  Rate depends upon only the concentration of X .

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: 19. Which structure is not possible? A) `CH,CH(CH;)2 B) H;C-C-CH; C) CH, 0 CH,-C=ċ-ċ-CH3 D) H;C CH3…

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Q: Which of the following characterizes an alpha ray? Choose all that apply. ]carries a negative charge…

A: The Beta ray is 2He4 is +2  charged ao it is expected to be attracted by negetive And it has higher…

Q: The orbital diagram of 13AI has , unpaired electron(s). O 1 O 2 O 3 О 13

A: Aufbau's principle :- It states that electrons are filled into the orbitals in increasing order of…

Q: Use the data given here to calculate the values of AGixn at 25 °C for the Compound AG; (kJ/mol)…

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Q: Consider the three isomeric alkanes n-hexane, 2,3-dimethylbutane, 2.3-dimethylbutane, and…

A: In this question, we have to give the order of three isomeric alkanes: n-hexane, 2,3-dimethylbutane,…

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: Direction: Try to spot the hidden words in the puzzle. The mystery words are associated with the…

A: Answers  of  the above puzzle are given in image below

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

A: we are required to find the equilibrium constant for the reaction at 250C

Q: Let us discuss whether H-H bond should have IR activity in spectrum. If, what is the approximate…

A: We have to tell H-H bond should have IR active or not. The H-H bond is not IR active.

Q: a.How many grams of NaOH is required to prepare 20L of 0.75N solution? What is its molarity,…

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Q: i temperature m

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Q: The number of electrons in the ground state 5d subshell of Zr: O 2 O 5 O 10

A: The atomic number of Zr ( Zirconium) is 40 . Its ground state electronic configuration is given as…

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

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

Q: Enter your answer in the provided box. The rate constant of a first-order reaction is 3.10 x 10 s at…

A: Temperature in Kelvin = Temperature (°C) + 273.....

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Q: What is the binding energy in kJ/mol La for lanthanum-138? 8.1x10^8 x kJ/mol 57 H+ 81,n-7La The…

A: The binding energy can be calculated as follows

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A: -> Best oxidizing agent is that which can reduce itself easily and oxidize the other specie…

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Q: At room temperature, how would you expect the Kof AgCl in deionized water to compare to the K.of…

A: Answer: Solubility equilibrium AgCl is shown below: AgCl(s)↔Ag+(aq)+Cl-(aq)

Q: Which of the following ions will react with water in a hydrolysis reaction: OA SO42- O B. Zn2+…

A: Acid is substance which release hydrogen ions and base is substance which release hydroxyl ions when…

Q: 1. What is the molar concentration of a sulfuric acid (H,SO.) solution with 7.3g/dm' concentration?

A: Given, Concentration of the solution = 7.3 g/dm3 Molar concentration of sulphuric acid solution = ?…

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A: Given,

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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: 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: [Review Topics] [References] CH3 OMe H3C. CH3 MeOH CH3 CH3 CH3 H3C H3C H3C Br Alkyl halides undergo…

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Q: he orbital diagram of 13AI has _ unpaired electron(s). О 13

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Q: How many grams of gas are present in each of the following cases? a. 0.100L of CO, at 307 torr and…

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Q: Give the products of each equation

A: Alkyne gives a hydration reaction in the presence of sulfuric acid and a mercuric acid catalyst to…

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Q: 1-ВНСу2, ТHF 2 HаО2, NaOН ОН HO ÓCH3 E LOH

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A: You have asked multiple type questions, we will solve only first  questions for you.  If you want…

Q: 1. Solid barium nitrate is slowly added to 75.0 mL of a 0.0478 M ammonium sulfite solution. The…

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Q: The Rf of four spots in a normal phase paper chromatography is given. Determine which of these is…

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Q: Hand writing please.  In the aldol condensation reaction, you mixed 1,3-diphenylacetone with Benzil…

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