3. When you conduct a titration, how do you choose the best indicator to use?

Q: 1. Mg, THF 2. Compound B (1 equivalent) 3. Acid work up -CH3 Conc H₂SO4 heat Br₂ in CH₂Cl₂ Product E…

A:

Q: Shown here is a d-orbital. Label it accordingly. X y

A:

Q: Which one of the following changes would cause the volume of a gas to double, assuming moles were…

A:

Q: Chemistry 44 45 In this experiment we assumed that the calorimeter was not absorbing any heat during…

A: Thermodynamics is branch of chemistry in which we deal with heat evolved or absorbed during chemical…

Q: Is this a redox reaction?  Pb2+(aq) + S2- → PbS (s) Is this a redox reaction?   Li (s) + H2O (l) →…

A: The reactions which involve oxidation and subsequent reduction of different species is called a…

Q: Naturally-occurring amino acids have the L-configuration. All amino acids are chiral except for…

A: Since you have posted a question with multiple sub-parts,we will solve first three sub-parts for…

Q: 5. A 295 g sample of unknown metal is at an initial temperature of 13.00 °C absorbs 75.0 kJ. The…

A:

Q: Kmax = (6.63x1034 J.s) (7.09x10¹4 s¹)-(2.17x10 J) h. y = 2.25×108 m/s 3.00×108 m/s 1.

A:

Q: Express the following measurement to 5 significant figures: 872311 mm. (Type numerical values only;…

A: The given measurement is 872311 mm. Number of significant figures are 6 i.e. 8,7,2,3,1,1. For…

Q: 9. A laboratory technician has measured the following data for two liquids that are insoluble in…

A: In this question we have been given two liquids : Liquid A and Liquid B of different masses and…

Q: S. -SnMe3 + Br Pd(PPH3)4

A:

Q: 3. Compound Y has a molar mass of 85.0 g/mol. The combustion of 410.0 g of compound Y causes the…

A: Here we are required to heat of Combustion for compound Y.

Q: In the dreaded Zephyer galaxy there is a race of Fairies that have the ability to change their body…

A:

Q: Nitrox is a gas mixture containing additional oxygen, often used in scuba diving. A particular…

A: Given-> Oxygen by mass = 32.2 % Total pressure (P) = 1520 mmHg = 1520/760 atm P = 2 atm (1 atm =…

Q: A. What is the cell notation of the set-up? B. What is the standard cell potential (Eºcell)? C. If…

A:

Q: 2. Calculate the total Entropy change for the decomposition of hydrogen peroxide (H₂O2). Is the…

A: Given-> 2H2O2(l) --------> 2H2O(l) + O2(g)

Q: What is the relationship between the equilibrium constants for reactions 1, 2, and 3? K₁ Reaction 1:…

A: Dear student , since you have posted multiple questions we will allow to solve only first question…

Q: One dietary supplement capsule weighing 4.90 was ground into a fine powder. Two portions of the…

A:

Q: A 0.2500-g of dry CaCO3 was completely dissolved into a solution of 5-mL conc. HCl and 50-mL…

A:

Q: Q25- Which of the following are mostly used for precise volume measurement of liquids? A) Conical…

A:

Q: In the reaction below, which of the following molecules is a conjugate base? NH3(aq) + H₂O(1)…

A: An acid which donate the proton. Base, accept the proton.

Q: Is this a redox reaction?  P4 (s) + S8 (s) → P2S5 (s) What is oxidizing agent in this redox…

A: In this question, we will see first the reaction is redox or not and then identify the reducing and…

Q: A 0.200 M formic acid (HCOOH) solution is tested with a pH meter at 25°C and found to have a pH of…

A: we have to calculate the value of Kb for formate ion

Q: Which of the following precipitates when added to NaOH? a. LiCl b. AgNO3 HBr C. d. Ba(NO3)2

A: A reaction when an insoluble product is formed and obtained on the filtration is known as a…

Q: A sample of PCl₅ was placed in a container and the following reaction was allowed to come to…

A: Given, PCl₅(g) ⇌ PCl₃(g) + Cl₂(g)  Equilibrium concentration of all the species:  [PCl₅] = 4.55 M…

Q: 2. Question : Arrange the following compounds in increasing order of their reactivity in…

A: Given statement is : Arrange the following compounds in increasing order of their reactivity in…

Q: Tell weather the following redox reactions is spontaneous or not. With explanations/solution E. Cu +…

A: Given,  Redox reaction:  Cu + 2Ag+ --------> Cu2+ + 2Ag

Q: B) Use this molarity and the initial pH of the ethanoic acid to calculate the equilibrium molarities…

A:

Q: A. What is the cell notation of the set-up? B. What is the standard cell potential (Eºcell)? C. If…

A: #B: Since Au has a higher reduction potential, Au3+(aq) undergoes reduction to Au(s) nad Ni(s)…

Q: Milligram of base required to completely hydrolyze & neutralize 1 g of triglyceride/fat sample…

A:

Q: The Hydrogen isotope, tritium, is radioactive and has a half-life of 12.5 years. What percentage of…

A:

Q: Standardization of 1N Potassium Hydroxide Accurately weigh about 5 g of potassium biphthalate,…

A: Given that -  Mass of potassium biphthalate = 5.1037 g  Volume of Solution used = 75 mL  Volume of…

Q: B C. CHUCH CHUCH H כיכ ככל H

A:

Q: a) Which substance has the higher boiling point? Explain your answer. i) CH,CH₂CH₂CH, or CH₂-CH ii)…

A:

Q: The rate of effusion of an unknown gas is about 1.323 times higher than that of N2. What is the…

A: To find identity of unknown gas, we have to find its molar mass

Q: Zn(CN)2 Ksp (30°C) = 7.30 x 10-12 AgSCN Ksp (30°C) = 5.90 x 10-11 CL chose to investigate the…

A: We have two different salts, Zn(CN)2(s) and AgSCN(s) to compare and find the unknown salt out of…

Q: 11. Draw full structural formulas for all the isomers of C4H8Br2.

A:

Q: Ph H₂SO4 Ph SO₂H Producto minoritario SO₂H Producto mayoritario

A:

Q: Question 1 Which is smallest? O 25 g O 250 mg O 0.0025 kg O 2500 mcg

A: Given, Which is smallest ? 25 g 250 mg 0.0025 kg 2500 mcg Note:  1 kg = 103 g = 106 mg = 109 mcg

Q: A balloon at 30.0°C has a volume of 222 mL. If the temperature is increased to 62.1°C and the…

A:

Q: A. Tell which of the following species is the strongest oxidizing agent. With solution each Ce. Brz.…

A:

Q: Q3) Choose true (T) or false (F) for each of the following statements: 1. Steam distillation is used…

A: According to bartleby guidelines we're supposed to answer first three subparts of a multipart…

Q: 7. Draw the structure for each compound. A. acetylene B 3-methyl-1-hexyne C. 4-methyl-2-hexvne

A:

Q: b (i) (ii) & (iii) please

A: A buffer resist the change in pH of the solution when small amount of acids or bases are added.

Q: Moving an object some distance against an opposing force is known as Oforce O energy O work O…

A: This question is related to dimensional analysis of chemistry. Dimensional analysis is the analysis…

Q: Which of the statements most accurately describes the following electron configuration? 1L 1L O a.…

A:

Q: 14.108 lodine is oxidized by nitric acid according to the following skeletal equation: I2 (s) +…

A: Unbalanced equation I2 (s) + NO3-  (aq)→HIO3 (aq) + NO2 (g)

Q: What is the reduction half reaction for the chemical reaction in a basic solution CIO-(aq) +…

A:

Q: 1. Construct a Latimer diagram for element X 2. Construct a Frost-Ebsworth diagram for element X

A:

Q: Identify the relationship between these compounds. он H NH2 HC H HN но H CH3 Diastereomers Identical…

A: The molecules with the same molecular formula but different structures are known as isomers. If the…