Janelle wants to slow down the dissolving rate so she can explain it to her friend. Which technique should she use

Q: QUESTION 37 Which one of the following processes is not disordering and not endothermic at 1 atm? a.…

A: Answer: Entropy is the measure of system's disorderliness or randomness, more disordered the system…

Q: A 46.1g sample of oxygen gas is collected over water at 23.5 °C and 772.5mmHg atmospheric pressure.…

A: Ideal gas:  PV = nRT  n = m/M  n = moles of gas  M = Molar mass of gas m = mass of gas  P = pressure…

Q: Identify the LUMO in the MO diagram of CN (shown below). +% #*#* A) o (2s orbitals) B) o (2pz…

A: LUMO stands for lowest unoccupied molecular that is molecular orbital which does contain electron…

Q: Coordination complexes can have different types of isomers. Remember that en is a bidentate ligand.…

A: The geometry of the complex ion depends upon the coordination number. (i) If the coordination number…

Q: The removal of an ion is sometimes considered to be complete when its concentration drops to 1.00 x…

A: Ksp of Y(OH)2 is 4.10×10^-10  Y2+concentration = 1.00×10^-6 M  Concentration of OH- =?

Q: Carbon dioxide gas is collected at 26.0 °C in an evacuated flask with a measured volume of 15.0 L.…

A: Temperature, T = 26.0 °C  Volume, V = 15.0 L  Pressure, P = 0.220 atm

Q: (b) Mg(s) | Mg2 (aq, 0.0600 M) || [Al(OH)4] (aq, 0.340 M), OH (aq, 0.0300 M) | Al(s) Ecell Number V…

A:

Q: The Kp for the reaction A (g) = 2 B (g) is 0.0780. What is Kp for the reaction 4 B (g) = 2 A (g)?

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Q: Be sure to answer all parts. The interhalogen compound CIF3 reacts with NH3 to produce three…

A: Given, 2NH3 + 2ClF3 → 6HF + N2 + Cl2 mass of NH3 react = 29.0g mass of ClF3 react = 170.4 g mass of…

Q: How many different molecules are drawn below? Xxx 0 X 5

A: -> First of all we write molecular formula of each given alkane . -> If molecular formula same…

Q: The literature Ksp value for Mg(OH)2 is 1.8x10-¹¹. (a) Calculate the theoretical [OH-] in a…

A: Answer: For a sparingly soluble compound it is considered that all its dissolved quantity is in…

Q: Consider the following equilibrium: N₂ (g) + 3H₂ (g) 2NH, (g) AG--34. kJ 4 Now suppose a reaction…

A: Answer: Given reaction is the formation reaction of Ammonia and we have to find out the direction of…

Q: Draw the structure of the dipeptide. Gly-Phe

A: This dipeptide contains glycine and phenylalanine. Glycine is N terminal amino acid and phenyl…

Q: A 1.00-L solution contains 2.50x104 M Cu(NO3)2 and 2.00x10-3 M ethylenediamine (en). The K for…

A: we have to calculate the concentration of Cu2+aq in solution

Q: Study the following sketch of a molecular orbital (MO) in a homonuclear diatomic molecule. This MO…

A: When two atomic orbitals combine to form molecular orbitals, the wave functions are combined both…

Q: Complete the table below by writing the symbols for the cation and anion that make up each lonic…

A: To separate the ions ( captions and anions) of the given  compounds.

Q: Give typed full explanation not a single word hand written otherwise leave it

A: We have been given a reaction and we also have been asked whether equilibrium of given reaction…

Q: Modify the given carbon skeleton to draw the major product of the following reaction. If a racemic…

A: The hydroboration-oxidation of an alkene produce an alcohol. In hydroboration, Boron unit always…

Q: Consider a gas cylinder with a volume of 150.0 L that contains 431.8 g of CH4 gas. What is the total…

A:

Q: Consider the following equilibrium: 2NH, (e)+ N₂ (g) + 3H₂(g) AG-34. kJ Now suppose a reaction…

A: Reaction : 2 NH3(g) ⇌N2(g) +3H2(g)       ∆G°= 34. kJ

Q: The preparations of two aqueous solutions are described in the table below. For each solution, write…

A:

Q: Provide the major organic product(s) of the reaction shown below. LCH-CH-CI, AICI, 2. KMnO, 3. Br₂,…

A:

Q: Consider the following system at equilibrium where AH = -18.8 kJ/mol, and K = 10.5, at 350 K. 2…

A: According to Le-Chatelier's principle, if a system in equilibrium is subjected to any change, in…

Q: 7. Label the conjugate species for the following reactions and write the strength (strong, weak,…

A: According to conjugate acid base principle, a strong acid has a weak conjugate base and a weak acid…

Q: A small part of a crystal lattice is sketched below. The unit cell is outlined in red. How many…

A: Answer:-This question is answered by using the simple concept of calculation of number of atoms in…

Q: In a coffee-cup calorimeter, 130.0 mL of 1.0 M NaOH and 130.0 mL of 1.0 M HCl are mixed. Both…

A:

Q: 4 PH3(g) → P4(9) + 6 H₂(g) Given the reaction above, if the rate of disappearance of PH, is…

A: The given balanced chemical equation is  4 PH3 (g) →P4 (g) + 6 H2(g) The rate of disappearance of of…

Q: Complete and balance the following skeleton reaction and identify the oxidizing an Hint: The pH of…

A: The given equation can be balanced by using the half-reaction method in an acidic medium, we can…

Q: Liquid octane (CH, (CH₂) CH₂) reacts with gaseous oxygen gas (O₂) to produce gaseous carbon dioxide…

A: Given that, Mass of octane = 86.8 g,  molar mass of octane C8H18=114 g/mol mass of oxygen = 268 g…

Q: Calculate the standard potential, E, for this reaction from its equilibrium constant at 298 K. X(s)…

A: X(s) + Y4+(aq) ⇌ X4+(aq) + Y(s)  Equilibrium constant (K) = 5.11 × 109 Temperature (T) = 298 K…

Q: Write the expression for K for the reaction of acetate ion with water. Cu(NH3)4 (aq) Cu+2 (aq) + 4…

A: The correct Answer is Option Ak = [Cu+2] [NH3]4/ [Cu(NH3)3]

Q: In the laboratory you are given the task of separating Ba2+ and Fe²+ ions in aqueous solution. For…

A: If the solubility of each metal ion is different then selective precipitation is used to identify…

Q: The hydronium ion concentration of tomato juice is 7.4 x.10-4 The pH of tomato juice is 4.1 4.20

A: The concentration of the hydronium ion is H3O+=7.4×10-4M We have to find out the pH of the tomato…

Q: Predict the major products of the following organic reaction:

A: Diels-Alder reaction is a (4+2) cycloaddition between electron rich diene and electron deficient…

Q: Decide which intermolecular forces act between the molecules of each compound in the table below.…

A: There are three main types on intermolecular forces present London dispersion forces : present in…

Q: Methyl alcohol (CH3OH) is made by the reaction of carbon monoxide and hydrogen in the presence of…

A: Answer: This question is based on the concept of limiting reagent. Limiting reagent is the reactant…

Q: electron configuration of atoms 10 3 [G]ns mdnp³ [G]ns np [G]ns of 'md' location of elements (check…

A: The elements are classified into four blocks depending on the orbital to which the last electron of…

Q: 39. Which of the following solid salts is more soluble in 1.0 MH* than in pure water? a. AgCl b.…

A: The common ion effect states that the solubility of a salt is reduced in a solution that already…