Predict the sign of AS for each of the following processes: a. Dissolving salt. b. Forest tomato patch. c. (unbalanced): _CO2(g) _CO) +_O2(g) - d. C(diamond) C(graphite)

Q: Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NAOH) to produce aqueous sodium b...

A: Given data from the question, mass of HBr=1.6 g, molar mass=80.91 g mol-1 mass of NaOH=1.5 g, molar ...

Q: Consider the titration of 50.0 mL 0.1250 M KOH with 0.07500 HClO4 M. a. Determine the pH of the sol...

A: A strong acid when reacts with strong base, a salt and water are produced.

Q: HOCH3 H20 + HO OCH3 H3CO `OCH3 This reaction is classified as: addition

A:

Q: 1. What is the hybridization for each of the indicated atoms in the following compound?  2. Which i...

A:

Q: Briefly discuss the following: Different types of membrane indicator electrode How a pH ...

A: 1. Answer - Ion-selective electrodes are membrane  indicator electrodes that produce an electrical p...

Q: Indicate the oxidation state of the underlined element in the following species. Show all pertinent ...

A: The oxidation state of an element can be explained as the charge acquired by that element in the giv...

Q: (a) Identify the type of polymer given in the following figure. (i) (b) Elucidate the term polymeris...

A:

Q: A. How would you prepare 1.5L of a buffer of pH = 4.00 using 0.25M formic acid and solid sodium salt...

A: we konw, pKa of formic acid = 3.8

Q: Classify the relationship between (2R,3R)-2,3-dibromohexane and (25,3S)-2,3-dibromohexane. Constitut...

A: What is the relation between both compound -

Q: What is the freezing point of 0.251 m urea in water? b. What is the b

A: Molality (m) = 0.251 m □Tf = Kf × m  = 1.86 × 0.251 = 0.467 °c So, Freezing point of solution = -0.4...

Q: Arrange the following elements by the size on atomic radius from highest to lowest. Phosphorous Oxy...

A: Atomic radius is defined as distance from center of nucleus to outermost shell. 

Q: Combustion of hydrocarbons such as pentane (C,H12) produces carbon dioxide, a "greenhouse gas." Gree...

A:

Q: 2. How to find what a materials crystal structure is? (FCC, BCC or neither FCC or BCC or

A: We have to tell how to detect a material crystal structure is either FCC, BC, or neither FCC, or BCC...

Q: MULTIPLE CHOICE: Write the letter of the correct answer. Write E if the answer is not found within t...

A: let us discuss step by step solution.

Q: How much 0.5 M KOH must be added to 200 mL of 50 mM glycine at ph 8.6 to bring its ph to exactly 10....

A: Answer: Glycine is an amino that act as an buffer between the range of 8.6 to 10.6, therefore the pH...

Q: What general conclusions can be drawn regarding the solubility of alcohols in water? Explain which o...

A: Alcohol can be defined as the organic compound in which hydroxyl group is attached to carbon atom.

Q: What is the mole fraction of NaOH in an aqueous solution that contains 33.9% NaOH by mass?

A: Given,  An aqueous solution contain 33.9% NaOH by mass, the mole fraction of NaOH is:

Q: Question 15

A: The tertiary substrate favours an sN1/E1 mechanism.

Q: A gas made up of atoms escapes through a pinhole 0.799 times as fast as Kr gas. Write the chemical f...

A: Given data, Molar mass of Kr =83.798 g mol-1 Rate of Kr = r  Rate of unknown = 0.799 r Molar mass an...

Q: Assign the correct stereochemical description to this molecule as depicted: ОН H, O S

A:

Q: Calculate the wavelength of a photon of light emitted when an electron travels from n=5 to n=2 orbit...

A: 1) Given, ninitial = 5 nfinal = 2 Wavelength of a photon (λ) = ? The formula used here is,

Q: The standard enthalpy change for the combustion of 1 mole of propane is –2043.0 kJ.         C3H8(g)...

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Q: Problem no. 23-25 en the following data for the NH4* + NO2" – N2 + 2H20 reaction Trial Rate [NO2] 0....

A: K is rate constant

Q: What is the purpose of the Claisen adapter in the reflux setup? Select one: to prevent bumping of th...

A:

Q: ANION ELIMINATION TESTS ADDED REAGENT(S) OBSERVATIONS Ba(NO3)2 White ppt HNO3, Fe(NO3)3 Yellow aqueo...

A: Analysis of anions or cations means that what type of cations or anions are present in a given sampl...

Q: What set of reagents can best accomplish the following transformation? A) PCC in CH2C2 B) AICI3 C) H...

A: We have to tell reagent used to bring the above transformation.

Q: Given the following information: 2 A(g) + B(g) = A2B(g) K1 = 5.0 x 10^4 2 A(g) + C2 (g) = 2 AC(g) K2...

A:

Q: Write the materials and how are you going to prepare this solution with step-by-step procedures.   2...

A: In a solution, the amount of solute present in the solution is expressed as concentration. The conce...

Q: 3-phosphoglycerate is converted to 2-phosphoglycerate by phosphoglycerate mutase within a cell (see ...

A: ∆G° = -4.44 kJ/mol Temperature = 25°C or 298 K

Q: The airbags that protect people in car crashes are inflated by the extremely rapid decomposition of ...

A: Decomposition reaction is a reaction in which a single reactant decomposes to form two or more produ...

Q: Question #2 - Describe a physical change which has an impact on your daily life. How can you be sure...

A: Answer - According to the question - Physical change is an important concept in chemistry; it descri...

Q: Draw the product of the following compounds with the given image. 1. Br2 2. HBr 3. H2, Pd Provid...

A: Addition of hydrogen to a carbon-carbon double bond to form an alkane is a reduction reaction that i...

Q: The empirical formula a compound is C 2H 40 and its molecular weight was determined to be approximat...

A: Empirical formula is the simplest ratio of atoms present in molecule. Therefore ratio of elements C:...

Q: Br II Br Br II A) III < I < II B) I| <I< II C) III < || < I D) II < III < I E) I< III < ||

A: Given:-   We have to these halides in the increasing order of SN2 reaction.

Q: Question 5 The reaction of butadiene gas (C4H6) to yield CgH12 gas is described by the equation: 2C4...

A:

Q: kJ The enthalpy of vaporization of Substance X is 9.00 and its normal boiling point is 104. °C. Calc...

A: Given-&gt; Enthalpy of vaporization = ∆H = 9.0 kj/mole                                              ...

Q: For the following reaction, K = 2.7×108 at 300 K. 3 H2(g) + N2(g) = 2 NH3(g) In an experiment carrie...

A:

Q: of chemical reactions? Select one: a.

A: Rate of chemical reaction is change in concentration of reactants per unit time interval.   

Q: 15 Gaseous ethane (CH;CH3) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (CO...

A:

Q: Chromate-dichromate system 1. Prepare a clean spot plate and label four wells. Place 5 drops of 0. 1...

A: To complete the table with observations:

Q: Activity 1 1. A sample of compound A (a clear, colorless gas) is analyzed and found to contain 4.27 ...

A: As per bartleby guidelines I answered only first question so please don't mind.Thanks in advance. 

Q: Calculate the freezing point of a solution containing 0.745 kg of CHCI3 and 58.0 g of eucalyptol (C1...

A: Mass of eucalyptol = 58.0 g  Mass of CHCl3 = 0.745 kg   

Q: Chromate-dichromate system 1. Prepare a clean spot plate and label four wells. Place 5 drops of 0. 1...

A: In a reversible reaction, the reaction takes place in forward direction as well as reverse direction...

Q: What happens to glycine if it is titrated by a strong acid like NaOH? Calculate the Isoelectric poin...

A:

Q: 2. Why does grapefruit juice left in an open can taste metallic?

A: According to Q&amp;A guidelines of Bartleby, we are supposed to answer only the first question out o...

Q: ОН to CF3CO,H

A:

Q: What will be the main product of the reaction. Give detailed solution in clear handwritten!

A: Friedel-Craft alkylation reaction: When the benzene reacts with an alkyl halide in presence of Lewis...

Q: How do we keep relative supersaturation low by controlling temperature?   temperature should be con...

A: Relative supersaturation is ratio os supersaturation for improving the relative supersaturation we s...

Q: Nitroglycerin is a dangerous powerful explosive that violently decomposes when it is shaken or dropp...

A:

Q: Dissociation of the following equation in water (equation should be balanced and with state symbols)...

A: