Which of these processes result in an entropy decrease of the system?

Q: Write the molecular formulas for the following structural formulas: (Write the formula using subscri...

A: We have to  calculate  no of carbon and hydrogen  in above molecule. 

Q: The boiling point of an alkane is lower than the alkane immediately after it in the series. Select t...

A:

Q: What is my percent yield of titanium (II) oxide if I start with 20 grams of titanium (II) sulfide an...

A: The given reaction is balanced :                TiS + H2O →  H2S + TiO              Initial amount o...

Q: 6. Laughing Gas 7. Vinegar 8. Alcohol (Ethyl) 9. Citric Acid 10. Ammonia

A:

Q: Normal alkanes have tertiary carbon atom. Select the correct response: True False

A: Normal alkane has general formula is CnH2n+2  Thus these are saturated hydrocarbons.  

Q: LiOH + KCl →  LiCl + KOH     I began this reaction with 20 grams of lithium hydroxide.  What is my...

A:

Q: Identify the overlapping orbitals involved in the formation of each numbered bond.

A: Here we are given two molecules and in this we are mentioned 7 type of bonds and we have to write wh...

Q: (a) SO,Ph i. nBuli, THF Ph Ph sO,Ph i. PHCHO Na/Hg OAc i. Ac,0

A: First nBuLi remove acidic hydrogen  after that negative charge attack on electrophile after that neg...

Q: Provide the IUPAC name of the compound. Br

A: This question belong to nomenclature of organic compounds. In this case ring are main carbon chain a...

Q: solution a. Calculate the number of moles of Fe and SCN added. b. Calculate the number of moles of F...

A: (a) Volume of Fe3+ added = 5.0 mL [Fe(NO3)3] = 0.002 M Total volume = 10 mL Moles of Fe3+ added = Mo...

Q: Determine the mass in grams of C«H10 that are required to completely react to produce 8.70 mol of CO...

A: The balanced reaction given is, Given: Moles of CO2 produced = 8.70 mol.  

Q: Solve the mass of the Van der Waals equation

A:  

Q: What is the [A-]/[HA] ratio when the weak acid is in a solution one pH unit above its pKa? 1:1 1:10 ...

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The buffe...

Q: For the following gas-phase reaction, indicate mathematically how the rate of disappearance of each ...

A: 2N2O ----> 2N2 + O2

Q: Valine has pKa's of 2.286 and 9.719. Estimate the fractional composition of Valine in the -1 form at...

A: Amino acids are amphoteric in nature due to the presence their ionizable α-amino and α-carboxylic ac...

Q: An atom with more electrons than protons is a negative ion. True or False

A: Please find your solution below : An atom is defined as the basic building block of matter.  It cons...

Q: During heating, some solution of NaCl splattered out of the evaporating dish. How would this affect ...

A: Given: During heating, some solution of NaCl splattered out of the evaporating dish.  

Q: What is molality of NaCl in an aqueous solution ehich is 4.20 molar? The density of the solution is ...

A: Given molarity = 4.20 M density = 1.05 × 103 g/L

Q: Cyclohexane derivatives exist primarily in the most stable of the available chair conformations. Giv...

A: Explanation - A conformation in which both substituents are equatorial will always be more stable t...

Q: CH3 CHo CHo Padimate A cuv blocking Sunscreen

A:

Q: How many grams are there in 2.56 moles of (NH4)2SO4?

A: Given data, Number of moles = 2.56 mol Formula, Number of mol (n) = mass / Molar mass Molar mass of ...

Q: What is the rate law of the reaction                         NO2(g)    +    CO(g)   ó   NO(g)   +   ...

A: Given overall reaction is : NO2 (g) + CO (g) ---------> NO (g) + CO2 (g)  Mechanism is : Step.1 :...

Q: Set 111 o CHe CH2 CH2 H- C-H 12a Incroasing bond angle ースーエ ー土

A: Bond angle is the angle between the bonds of given species.  For comparing bond angle first determin...

Q: Complete the Kw expression for the autoionization of water. Kw 1.00 x 10-14 =

A: Please find your solution below : Autoionisation of water is a reaction in which water forms hydroni...

Q: What mass in grams of NaCl would need to be added to 2551 g of water to increase the boiling tempera...

A:

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

A:

Q: 2. Draw out the forward synthesis (fill in the boxes) only for the following transformation (it'll b...

A: Here we have to make a desired forward synthesis for below conversion .

Q: The molecules; PH3, H2Se, SeF4, IF5, XeO3, BF2Cl, and SnCl2 are polar. Give an explanation as to why...

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Q: What are the products of the following reaction. Explain.

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Q: Conformers like geometric isomers are stable and can be isolated. Select the correct response: True ...

A:

Q: Part 1. Warm-up - A few fundamental concepts 1A) Which of these combinations represent conjugate aci...

A: A question based on concentration terms that is to be accomplished.

Q: U + 3 Br2 →  UBr6            What is my actual yield of uranium hexabromide if I start with 100 gr...

A:

Q: 5. Propose the structure of a compound that exhibits the following 'H NMR data: (c) C4H100 0.90 8 (6...

A: The given compounds mainly consists of C, H, and O.  As heteroatoms are present in these compounds, ...

Q: Rank the gasses from highest to lowest global warming potential. (1 being the highest, 4 being the l...

A: Due to global warming, the temperature of our earth increases day by day. 

Q: Determine the mass in grams of HCI that can react with 0.750 g of AI(OH)s according to the following...

A:

Q: 7. What effect would you expect the following changes to have on the rate of the Sn2 reaction of 1-i...

A: In an SN2 reaction, rate of the reaction is dependent on the concentration of the alkyl halide as we...

Q: Write the formulas for the following compounds:

A:

Q: Predict the major product, Z, of the following reaction sequence. 1) NANH, 2) D. i) Give a detailed ...

A: In first step of reactions alkylation of terminal alkyne occurred.  In second reaction reaction name...

Q: Give the major products for the reactions

A:  

Q: Submit Question 8 of 25 For the reaction 3 A + 4 B → 2 C + D, what is the magnitude of the rate of c...

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Q: The structure has secondary carbon atoms, tertiary carbon atoms, and quaternary carbon atoms.

A:

Q: 4. Which of the following hydrogen bonds would be the strongest (lowest in energy)? (Explain your an...

A: This question is related to the hydrogen bonding.  A hydrogen bond is an electrostatic interaction b...

Q: How many grams of nitrogen gas are present in a 10.0 L vessel at 19°C and 1.60 atm?

A:

Q: Suppose your sample is mixed with other stuff that is not soluble in your recrystallization solvent....

A: Question : Suppose your sample is mixed with other stuff that is not soluble in your recrystallizati...

Q: Transformation of carbolic acid to o-hydroxybenzaldehyde. .cO.Me Protection Reduction Deprotection н...

A: It is quite necessary for any organic entity with multiple functionality to follow protection strate...

Q: determine the number of atoms of 75.82g of Ca(No3)2

A:

Q: 1. a. What is the pH of a solution prepared by adding 25.0 mL of 0.10 M acetic acid (Ka = 1.8 x 10-5...

A:

Q: What would happen to the retention time of a compoundi

A: Retention time is defined as the time that is by the solute to pass through a column during chromato...

Q: Trizma base is a commonly used buffer in biochemistry labs with a pKa of 8. How much 1 M HCl must yo...

A: Given: pH of buffer required = 8.0 pKa of Trizma = 8.0 Concentration of HCl = 1 M Volume of buffer s...

Q: Question 23 Nitrogen ions are added to the soil by the formation of organic and inorganic acids when...

A: Organic acid is an organic compound which have acidic properties. The most common organic acids are ...