A flask containing 8.0 × 10² g of water is heated, and the temperature of the water increases from 21 °C to 85 °C. How much heat did the water absorb?

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

Q: make a buffer solution from of 45.0 mL of 0.500 M sodium acetate (NaCH3COO) and 5.0 mL of 0.500 M ac...

A: Volume of Sodium acetate =45mL Molarity of sodium acetate=0.500M Volume of acetic acid=5.0mL  Molari...

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Q: Part A Consider the reaction and its equilibrium constant: N2O4(g) Ke 2NO2(g) Calculate Qc at the gi...

A: Given data : [NO2] = 0.0242 M [N2O4] = 0.0350 M

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A: The above reaction is Electophilic substitution aromatic reaction. Which is known as Fridelcraft alk...

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Q: For Practice 15.15 - Enhanced - with Feedback I Review | Constants | Per Part A Consider the followi...

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Q: Be sure to answer all parts. Liquid nitrogen trichloride is heated in a 2.50-L closed reaction vesse...

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Q: Predict the product for the following reaction. он Он еxcess K,Cr,0,H;SO,H,0

A: This reaction is the oxidation of primary alcohol to carboxylic acid by uisng the potassium dichroma...

Q: In which solution will Lead sulfate (PbSO4) be most soluble? 0.5 M PB (NO3)2 0.5 M NaNO3 0.5 M Na2S...

A: KSP of PbSO4 = 1.6 * 10-8                                 PbSO4 (s) ⇔ Pb2+ (aq)  +  SO42- (aq)      ...

Q: Consider the diagrams for solutions A, B and C. Water molecules have been omitted for clarity. Solut...

A: Representation of a solid compound on dissolution in solution can be represented based on the type o...

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Q: Please note that "geometry" refers to the molecular or ionic geometry. H-N-H A. The Lewis diagram fo...

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Q: What is the correct expression for the equilibrium constant (K) for the reaction between carbon and ...

A: Given :-  C(s) + 2H2(g) <----> CH4(g)  To write :-  Kc expression for above equation 

Q: Calculate the theoretical percentage of water in CoCl3·4H2O (Molar mass of the hydrate is 237.37 g/m...

A: Given :- chemical formula of hydrate = CoCl3.4H2O  Molar mass of CoCl3.4H2O = 237.37 g/mol  To calcu...

Q: Answer the questions about selenium hexachloride, SeCl6, a molecule with an expanded octet. There a...

A: Answer is given below

Q: Calculate the pH during the titration of 20.0 mL of 0.25 M HBr(aq) with 0.25 M LiOH after 20.89 mL o...

A: Given-> Volume of HBr = 20.0 ml Molarity of HBr = 0.25 M Molarity of LiOH = 0.25 M Volume of LiOH...

Q: Answer the following questions about the Lewis structure for the organic molecule CH3CH2CH2OH (see e...

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts fo...

Q: Use the following Lewis diagram for 1-propanol to answer the questions: Remember that geometry refer...

A: Given , 1 - propanol

Q: Direction: Answer the following. Write your solution and box your final answer. 1. How much heat is ...

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Q: Which is the stronger acid? FF :0: н-с-с-с-о-н нн a. FH :0: F-C-с-с-о-н H. b.

A: Fluorine withdraw electron pair of Sigma bond towards itself

Q: A solution is 1 X 104 M in NaF, Na2S, and Na3PO4. What would be the order of precipitation as a sour...

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Q: (a) Write all the reactions and equations for an open carbonate system. (b) Derive the equations for...

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Q: Calculate the pH during the titration of 20.00 mL of 0.1000 M C6H5COOH(aq) with 0.2000 M NaOH(aq) af...

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Q: From the Lewis structures of the species given, pick all of those in which the central atom obeys th...

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Q: Calculate the molar solubility for calcium phosphate Ca3(PO4)2. (Ksp is 2.0710-33) Answer:

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Q: Estimate the standard heat of combustion of propane, C3H8, at 25 °C with H2O(l) and CO2(g) as combus...

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Q: 3. If 7,500 J of energy is added to 1.43 kg of iron (originally at 25.0°C), what temperature will it...

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Q: Calculate the KHC8H4O4 titer of 0.125 M KOH. Give the chemical reactions involved.

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Q: Ex. 2,3-dimethylpentane CH3 CH3 CH-CH-CH-CH- CH3

A: This below is the structure of aniline showing its ortho meta and para positions  So this is the s...

Q: The electron configuration of element A is 1s 2s2 2p6 3s2 3p6 4s2 3d give the following; 1. Orbital ...

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Q: NaBr Ca(C2H3O2) , P:Os Ti(SO4)2 FEPO4

A:  Ionic compounds have very high melting and Boiling points . The cation and anions held together by ...

Q: From the following data, determine standard heat of formation for diborane, B2H6(g): (1) B,H¿(g) +3 ...

A: 1->B2H6 (g)  + 3O2(g) ---> B2O3(s) + 3H2O(g)                                                  ...

Q: Calculate the pH during the titration of 20.00 mL of 0.1000 M trimethylamine, (CH3)3N(aq), with 0.10...

A: Given data : Concentration of trimethylamine = 0.100 M Volume of trimethylamine = 20.0 mL Concentrat...

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Q: Equilibrium Constant and Reaction Quotient 9 of 22 I Review | Constants | Periodic Table Part A At e...

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Q: (a) Many gasoous reactions occur in car engine and exhaust systems One of these is NOla)+ COlg)- NO ...

A: Since both questions are not interrelated to each other, we solve only first question according to t...

Q: which will produce an oxidation product with potassium permanganate that is insoluble in sodium hydr...

A: A question based on solution that is to be accomplished.

Q: Monique adds 0.05 moles of solid NaF to 1.0 L of an aqueous solution of 0.5 M HF. What value should ...

A: Answer: To solve this question we need to draw the ICE table for the equilibrium of weak acid HF.

Q: Given: 10 g of o-hydroxybenzoic acid (density: 1.44 g/mL, MW: 138.2) 20 mL wood alcohol (density = ...

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Q: Use the following Lewis diagram for ethyl amine to answer the questions: 2 3 H H Remember that geome...

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Q: heat HN ElN (weak base) OCH conc. conditions draw 2 or 3 repeat units of the polymer product H2SO4 N...

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Q: Calculate A,G° for a redox reaction with n = 2 that has an equilibrium constant of K = 24 (at 25 °C)...

A: Given-  n=2 K=24 T=25°C  = 25+273 = 298 K    

Q: What is the extraction method and purification method used in the isolation of Quinine?

A: It is an alkaloid of cinchona bark

Q: What will be the daughter element of copper-66 undergoing beta-negative decay? Explain. (The atomic ...

A: INTRODUCTION---- Beta decay- beta decay means increase the atomic number but not change in mass numb...

Q: What is the pH of a solution of 3.21 M HClO? What the percent dissociation of this solution?

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