reaction does not move forward and backward (meaning only move to one direction; could be product favored, could be reactant favored under these conditions), what is true about entropy and enthalpy?     a. ΔH°rxn < 0 and ΔS°rxn > 0.   b. ΔH°rxn < 0 and ΔS°rxn < 0.   c. ΔH°rxn > 0 and ΔS°rxn < 0.   d. ΔH°rxn > 0 and ΔS°rxn > 0.   e. both a and c are correct

Q: Gोपeी रै्माए C. वेeायी श् फिद फक वयवा ० जा e ८qsboxg® उव्ळट्वे शड हतराबाक ? 1a मा वगी- Ph स-b a- HEb

A:

Q: Is caffeine an addictive substance? If so, is it psychologically addictive, physiologically…

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: Why does NH3 have a higher boiling point than BH3?To answer this question, draw out the Lewis…

A: The boiling point of ammonia (NH3) is higher than borane (BH3).

Q: Create a schematic diagram: 1) show the separation of cation and anion 2) confirmatory test to…

A:

Q: 4. The following 'H NMR spectrum of a CroH12O2 compound was obtained on a 90 MHz spectrometer. TMS…

A:

Q: How do you determine which salts have a higher vs lower solubility when given Ksp? This is one of my…

A: Determine which having higher solubility --

Q: 0.0524 moles of h2o equals how many molecules of water?

A: Number of moles of H2O (water) = 0.0524 moles  Number of molecules of water = ?

Q: At what temperature or range of temperatures will a reaction be spontaneous if the value of H° =…

A: H° = +42.8 kJ = 42800 J S° = +331.5 J/K?

Q: A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 58.6 g of iron(II)…

A: Given, Mass of iron (II) bromide (FeBr2) = 58.6 g Volume of the flask = volume of the solution = 250…

Q: Select all that apply. For each pair of isotopes listed, predict which one is less stable. (a) “Li…

A: The stability of isotopes can be calculated as follows

Q: What happens to blood pH (increase or decrease) when: A person holds their breath. (Does not exhale…

A: decrease When a person holds their breath, the level of carbon dioxide has been increased. This…

Q: Use the following Lewis structure to answer the given question. In which orbital does the nitrogen…

A:

Q: Part A Provide the IUPAC name for HCONHCH2CH2CH3. Submit Previous Answers Request Answer

A:

Q: (d) Nitrogen reacts with hydrogen to produce ammonia according to the following equation. Calculate…

A: Given-&gt; Volume of H2 = 98 L T = 25°C = 25 + 273 = 298 K Pressure = 1 atm

Q: 1. CH2=CHLI 2. НзО*

A:

Q: several Ph. steps Br OH Please explain the mechanism and steps of the synthesis. Thank you!

A:

Q: Enter your answer in the provided box. Strontium–90 is one of the products of the fission of…

A: Given-&gt; Half life = 28.1 year Initial amount = 4.00 gm Final amount = 0.100 gm

Q: When 15.0 mL of a 1.26x10-4 M magnesium bromide solution is combined with 18.0 mL of a 7.81×10-4 M…

A: Given :  Molar concentration of MgBr2 = 1.26 x 10-4 M  Volume of MgBr2 = 15.0 ml  Molar…

Q: When copper chloride reacts with sodium nitrate, copper nitrate and sodium chloride are formed.…

A: Recall the reaction, CuCl2 + 2 NaNO3 → Cu(NO3)2 + 2 NaCl Molar mass of CuCl2= 134.45 g mol-1 Molar…

Q: The scenes below represent the reaction of X2Y2 to yield X2 (red) and Y2 (blue). (a) What is the…

A: Here we have to determine the thermodynamic conditions at which the given reaction will be…

Q: Using molarity to find solute mass Iculate the volume in liters of a 0.208 mol/L copper(II) sulfate…

A: Given -&gt; Molarity = 0.208 mole/L Weight of CuSO4 = 75.0 gm

Q: 1a th. Cracemic) Br

A: We have to carry out the given transformations. The required transformations are shown below

Q: 1 gram of radium (226Ra) is separated from its decay products and then placed in an insulated…

A: Given: Initial amount of 226Ra = 1 g Time of decay = 60 days = 0.1644 years Hal-life of 226Ra = 1600…

Q: What is the sign for each of the following? (Change in) a. S, H, G for the evaporation of a…

A:

Q: For each system listed in the first column of the table below, decide (if possible) whether the…

A: ENTROPY IS MEASURE OF RANDOMNESS,MORE RANDOMNESS MEANS MORE ENTROPY

Q: Calculate the solubility at 25 °C of Zn (OH), in pure water and in a 0.0100M ZnSO, solution. You'lIl…

A: From alesk data, Ksp of Zn(OH)2=3.0×10-17 Molar mass of Zn(OH)2=99.424 g mol-1

Q: What is the % concentration (m/v) of a solution prepared by dissolving 28.3 of NaOH in enough water…

A: Given, mass of NaOH = 28.3 g Volume of solution = 789 ml % (m/v) = ?

Q: A 3D representation of a cyclohexane (C,H,2) molecule, a cyclic compound used in the manufacture of…

A: The hybridization and geometry of each carbon in cyclohexane is given below

Q: On the basis of Lewis acid and base concept, explain oxidative addition reaction.

A: Oxidative addition reaction:  Reaction where addition of ligands to metal centre occurs with…

Q: Given below is electron configuration of an element: What is it? In a separate sheet explain how you…

A: To finding out the element with given electronic configuration, check its atomic number by adding…

Q: A chemist titrates 60.0 mL of a 0.5980M hypochlorous acid (HCIO) solution with 0.6753M NAOH solution…

A: At equivalance point , both acid and base neutralize each other to give conjugate  salt  . So moles…

Q: It was discovered that the rate law for this reaction is given by the following equation: d[CS2] (3.…

A: Given the rate law for the reaction, -d[CS2]dt=(3.07*10-4M-1s-1)[CS2]2 In general terms,…

Q: Task 2) Ibuprofen has an octanol-water partition coefficient KOW of 3.97. If you dissolve 100 mmol…

A:

Q: Draw the major product of this reaction. Ignore inorganic byproducts and the phthalhydrazide…

A:

Q: A catalyst affects the rate of the forward reaction by changing which of the following? Activation…

A: Catalyst :-  A catalyst which increases the rate of chemical reaction without itself undergoing any…

Q: Retative rates of hydrogenation of alkenes using Wilkinson's catalyst at 25 °C are given below.…

A: Wilkinson's catalyst is a rhodium based catalysed generally used for the hydrogenation reaction of…

Q: Which of the following central atoms would be expected to accommodate more than four electron pairs…

A: The number of electron present in the valence shell of an atom is known as valence electron.

Q: C (s) + O2 (e) -100 -200 CaO(s) + CO2 (g) 2 (8) -300 CO 2 (8) CaCO3 (s) -400 Gibbs Free Energy…

A:

Q: Draw a new purine base for DNA. Provide a name and a one-letter abbreviation for it.

A: The new purine base for DNA is Adenine. The one letter abbreviation for Adenine is A

Q: 3. Calculate the pH of a 0.012 M acetic acid aqueous solution (pKa = 5.46). Report the pH to the…

A: Acetic acid is a weak acid , so it doesn't dissociate completely. We would use acid hydrolysis…

Q: concentration of the acid

A:

Q: Mass percentage

A:

Q: ompute the equilibrium constant for spoantaneous reaction between Cd2+ and Zn s

A:

Q: 1) Upon dissolving 90.0g of KNO3 in 100g of water at room temperature (20° to 25°C), a precipitate…

A:

Q: its In the prefered lewis structure, the number of total valence electrons (just write number only,…

A:

Q: 2. Variation of the rate constant with temperature for the first-order reaction 2 N2O5(g) → 2…

A: The arhenius equation shows the relation between the rate constant and temperature.

Q: Calculate the change of the entropy of the system in J/K for the following phase transition:…

A: Given data -  Mass of methanol = 64.1 g  Molar mass of methanol = 32.04 gmol-1   Enthalpy of…

Q: Calculate entropy change 1. combustion of one gram of methane to form carbon dioxide and liquid…

A:

Q: Rank the following compounds in order of INCREASING standard molar entropy. a. H2O2(l), H2O(l),…

A:

Q: Label the acid and the base on reactant side of the equations and write the products: 1. H,SO, +…

A: -&gt;Acid reacts with base and form salt and water.