(Q66). What is the change in entropy (in J/K) when 16.9 g of liquid hexane boils at its normal boiling point? (The molecular formula of hexane is C6H14, its normal boiling point is 68.9°C, and its enthalpy of vaporization at its boiling point is 28.85 kJ/mol).

Q: Consider the carbon skeleton shown below. To form a primary alcohol, the functional group can be…

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Q: Phenolphthalein reacts to basic solutions (pH above 7) by changing to a pink color. If you had…

A: To turn the solution pink , the pH should be raised to pH = 7 or above.

Q: Complete and balance the following redox reaction in basic solution 3+ 4+ ロ2 ロ ロロ2+ 6. 8 9. ロ2 □s…

A: The balanced redox reaction in basic solution is given by: As2O3 (aq) + Zn (s) + 5H2= 2AsH3 (aq) +…

Q: Suppose you have a solution containing 1.0 M NaCI, 2.0M Na20, and 0.5 M CaCl2. What are the total…

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Q: create a flow chart or diagram to illustrate the digestion and absorption of carbohydrates. The…

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Q: A water quality investigation is conducted in a suburban stream. Investigators determ that there are…

A: Bluegill fish is a fresh water fish. They are often called as bream, brim or perch. They are widely…

Q: 3) Use thermodynamic tables to calculate AH°rxn for this reaction: CaCO3(s) → CaO (s) + CO2 (g)

A: Using thermodynamic tables: Standard enthalpy of formation values are: dH°CaCO3 = -1206KJ/mol dH°CaO…

Q: The equilibrium concentration of calcium ion in a saturated calcium sulfide solution is _____ M

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Q: Use the change of state interactive to answer the question. Which of the statements describe…

A: B

Q: Given reaction 2NH3(g) + 3C12(g) → N2(g) + 6HC1(g), you react 2.0 L of NH3 with 5.0 L of Cl2…

A: Given :  Volume of NH3 = 2.0 L  Volume of Cl2 = 5.0 L  Question is based on Gay-Lussac's law of…

Q: Consider the following: Compound A is a liquid. The reaction procedure you are pursuing requires…

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Q: What is the freezing point of a solution that is prepared by dissolving 23.5 g of MgCl2 (i = 3) into…

A: Given : mass of MgCl2 = 23.5 g  i for MgCl2 = 3  Mass of water = 125 g  Kf for pure water = 1.86°C/m…

Q: 26 What is molarit (a) 47 g of KCl dissolved in enough water to give 375 mL of solution 26 (b) 82.6…

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Q: Palladium on carbon can reduce which of the following? Nitriles O Nitro groups Alkenes O Alkynes O…

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Q: Cyclopentanone is treated with chlorine (Cl2) in the presence of acid (H*). What product is formed?…

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Q: white precipitate forms. What are the cations that may be present in the precipitate? a) Addition of…

A: Group I cations precipitate on addition of aq. HCl. The group I cations form white precipitates. The…

Q: The value of AH for the reaction below is -482 kJ. Calculate the heat (kJ) released when 52.0 g of…

A: We can calculate the heat released by using stoichiometric calculation. We see from balanced…

Q: Complete the sentences below.  If the element symbol is provided, complete the sentence with the…

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Q: QUESTION 5 Identify which category the molecule below belongs to: CHO HO- но HO- H- HO. ČH2OH O…

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Q: the human eye has an osmotic pressure of 7.80 atm at 25°C, what concentration of solute particles in…

A: We can calculate  the concentration using the formula   Osmotic pressure  = C×R×T

Q: ta 17 La carga nuclear efectiva de un átomo es principalmente afectada por: ponder Seleccione una: a…

A: The correct answer is -  electrones internos (inner electrons)   Explanation - - > The effective…

Q: Give the correct IUPAC name for the following compound. For alkenes, when appropriate, indicate…

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)

Q: True or False 1. When FeCl3 is used in visualizing aspirin in thin layer chromatography, the…

A: 1) This statement is True When FeCl3 is used in visualizing aspirin in thin layer chromatography,…

Q: Molecular Shape Polar or Approximate Bond Angles Molecule Dot Structure Bonding Sketch Electron Pair…

A: a.) Dot structure can be drawn by counting valance electrons of all atoms and marking required…

Q: Compare the acid-base, the complexometric and the precipitation titration. which in the three is the…

A: Answer -  acid-base titration - An acid–base titration is a method of quantitative analysis for…

Q: b. Calculate the max of the given compounds with the help of Woodward's Fiesher rule.

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Q: CI CO2ME H. CO,Me CO,Me MeO2C. CI 土 d) OH OH

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Q: Determine the molar solubility for Ag.CrO. (Ksp = 1.2 × 10-12). 3 NEXT Based on the given values,…

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Q: During the reaction, the water temperature rises from 25.00 to 28.54 °C. The heat capacity of the…

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Q: Questions 1. Provide the product(s) for each of the following reactions. a) NaOH b) CH,Br a) LDA b)…

A: In this question we have to tell the product of the reaction.

Q: (Q67) What is the entropy change (in J/K) in the universe (ASuniverse) that occurs when nitrogen and…

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Q: 10) What will be the final pressure of a sample of nitrogen with a volume of 856 cm3 at 661 torr and…

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Q: Of the following choices, which one has the LARGEST value? 0.0052 1.1 x 10^-3 (expressed in…

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Q: Use the References to access important values if needed for this question. Consider the reaction:…

A: Given data :

Q: Consider the coordination anion [Al(OH)6]-3 How many possible geometric isomers are there? a. Only…

A: Here the ligands is same. So there is not possible any geometrical isomer

Q: What sequence of reactions will accomplish the following synthetic transformation? CO,H = CH2-OH I…

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Q: 7.51 Use the electronegativity data in Figure 7.4 to predict which bond in each of the following…

A: (52) The direction of polarity of the bond is represented by an arrow where the tail represents the…

Q: If 150 grams of water is heated from 20oC to 30oC, the number of joules of heat energy absorbed…

A: number of joules of heat energy absorbed is given below

Q: 32. Benzyl chloride is reacted with different nucleophiles (HO, CH:CO0, PhO, CH:O). Arrange them in…

A: Here we have to determine the decreasing order of reactivities of the following nucleophies in SN2…

Q: Determine the molar solubility for BaCO, (Ksp = 5.0 × 10-9) in a solution that already contains 1.4…

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Q: 3) What mass (g) of potassium nitrate is needed to make 250 mL of 0,3 mole/L potassium nitrate…

A: Given - - > Volume = 250 ml = 0.25 L Molarity = 0.3 mol/L We know that, Molarity = mol of solute…

Q: I need the equation for Ag2+(s) plus Na2S2O3(aq)

A: This reaction is an example of displacement reaction in which an ion will displace another ion.

Q: Chemistry 3. Complete the following reaction scheme. Give all product(s) and indicate major or minor…

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Q: 1. (CH3):COK" Br 2. O/(CH):S

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Q: A water sample was tested for hardness. To titrate Ca2* and Mg2+, a 25.00-mL sample needed 7.39 ml…

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Q: 1) Give the structure for the major organic product(s) for each of the following reactions. (Do NOT…

A: The Product of given reactions are -

Q: Will a precipitate form when in an aqueous solution of 2.1 x 10^-3 mol/L lead (II) nitrate is added…

A: Here an aqueous solution contains 2.1×10-3M Pb(NO3)2 and 6.0×10^-3 M NaI . We have to predict…

Q: For a gas, which two variables are directly proportional to each other (if all other conditions…

A: Ideal gas equation is as follows - PV = nRT If volume of the gas is constant and gas constant is…

Q: (Q79) The first step of glycolysis (the metabolic conversion of glucose to pyruvate) is the addition…

A: given, temperature = 38.6 degree Celcius Gibbs free energy = +13 kJ/mol

Q: 267 grams is the same as ___ milligrams. 0.267 267,000 2,67 26,700 0.00267

A: Hello dear welcome on bartleby;   The correct answer is 267,000