Calculate the pH of the buffer system made up of 0.19 M NH3 and 0.48 M NH₂Cl. The K of NH³ is 1.8 × 10¯³. Be sure your answer has the correct number of significant digits. pH = ☐ x10 X S

Q: negative charge of it. What parameter is generally most important for determining its relative…

A: This question belongs to basic concept of chemistry.

Q: Calculate DU for the following reaction at 1 atm and 25oC:                         CH4 (g)  + I2…

A:

Q: Give typed explanation of both not a single word hand written otherwise leave it  Among the listed…

A: The element with the highest ionization energy among the listed elements, Ca, Mg, Al, F, Ba, Ne Thee…

Q: Methanol, ethanol, and n-propanol are three common alcohols. When 1.00 g of each of these alcohols…

A: Heat of combustion is defined as the amount of heat released when mole of compound reacts in the…

Q: Consider the following reaction: Enter the complete ionic equation for this reaction. Express your…

A: The question is based on the concept of chemical reactions. we need to write complete Ionic equation…

Q: 1. LDA. THE 2 Br

A:

Q: Part C CH₂ CH3 CH3 CH₂-CH-CH-CH₂ CH3 CH₂ CH3 Spell out the full name of the compound. Submit Request…

A: Since,Rule of IUPAC-1) Longest chain as parent chain.2) Numbering start from those side where more…

Q: the third one is not E Identify how you would make hexylamine from 1-hexanol: Choose from the…

A: We have to carry out the below given synthesis. Introduction: Reaction of alcohol, reaction of…

Q: Spectrum #3: 4-methyl-2-pentanone 250 SAD naalden allen In 100 PPM

A: The question is based on organic spectroscopy. we need to sign different peaks to the carbon.

Q: The dehydration of pinacol can take place via two mechanisms, leading to the formation of the two…

A:

Q: Out of all the Silicon isotopes, which ones can be used in NMR?

A:

Q: Part 1 of 2 Calculate the standard enthalpy of neutralization of HF (aq): HF (aq) + OH (aq) → F (aq)…

A: Answer-2 Enthalpy of reaction is an extensive property, so it can be added or subtracted the way…

Q: A chemist dissolves 230. mg of pure barium hydroxide in enough water to make up 90. mL of solution.…

A:

Q: A green leaf has a surface area of 2.95 cm2. Part A If solar radiation is 1190 W/m², how many…

A:

Q: Calculate the volume in milliliters of a 0.87M barium chloride solution that contains 75.0 g of…

A: The given information is as follows: The molarity of solution = 0.87 M The mass of barium chloride =…

Q: Given the thermochemical equation below. Calculate the heat evolved when 53.2 g of C3H8 ( molar mass…

A:

Q: Give the complete mechanism, including transition states, for the following reaction. Then draw the…

A:

Q: Which of the following does not have DHof=0 at 25oC?          N2(g)         Cu(s)       Kr(g)…

A: Enthalpy of formation, also known as heat of formation, is the amount of heat energy released or…

Q: How many of the following compounds are suitable for conversion to a Grignard reagent? 00 01 Br 02…

A: Grignard reagents react with alcohol group (-OH), aldehyde group (-CHO), keto group (R-CO-R).

Q: Part C Americium-241 is used in some smoke detectors. It is an alpha emitter with a half-life of 432…

A:

Q: Be sure to answer all parts. The reaction of peroxydisulfate S₂08² (aq) +31 (aq) →2SO4 (aq) + 13(aq)…

A:

Q: A mixture of CO₂ and Kr weighs 29.6 g and exerts a pressure of 0.895 atm in its container. Since Kr…

A: Given Weight of mixture = 29.6 g Total pressure = 0.895 Pressure due to Kr = 0.295 atm

Q: How many moles of potassium hydroxide would have to be added to 125 mL of a 0.496 M nitrous acid…

A:

Q: 2. Draw the mechanism for the following two reactions: A B 1) NaBH, 2) H₂O' CH3 HO. 1) CH₂CH₂MgBr 2)…

A: Grignard reagent or NaBH4 are act as nucleophile and attack to carbonyl carbon followed protonation…

Q: What is the product of the following 1,3-carbon shift? H 2 I. II. Н. III. H CH3 H 778 CH3 CH3 CH3…

A:

Q: The chemical formulae of some acids are listed in the first column of the table below, and in the…

A: Strong Acids are the compounds which dissociates completely and give H+ ion in water. HA + H2O → H+…

Q: Intramolecular Aldol Condensation H Base NaQE+ Aldol Product Condensation Product

A: “Since you have posted multiple questions, we will provide the solution  only to the first question…

Q: The energy produced (-286 kJ/mol) in the reaction H₂ and O₂ comes from: A) Breaking the H-H and O=O…

A: The reactions are of two types Exothermic and endothermic,  in exothermic reactions heat is released…

Q: ygry.suny 7. A solution of a pure chiral molecule has a specific rotation of -23.1°. What is the…

A:

Q: Draw the major organic product of the following reaction. + ZI H H

A: Carbonyl compounds react with primary amines to form imines.  Carbonyl compounds react with…

Q: (iii) O + (C6H5)3P-CH-CH3

A: This is one of the examples of the wittig reaction.  Here first the anion will be attacking the…

Q: Explain what factors need to be considered when determining whether an ionic compound is soluble in…

A: Question is based on the concept of solubility. we need to identify the factors which determine…

Q: Give only typing answer with explanation and conclusion  How much (electrical) work has to be done…

A: This question is based on Electrochemistry.

Q: Pre-Heat Item Crucible Lid Crucible Crucible & Lid Crucible Lid & Sample Sample (Preheat)…

A: The question is based on the concept of analytical chemistry. We need to calculate theoretical and…

Q: A 1.252 g sample of cyclohexanol (C6H12O) was burned in a constant-volume bomb calorimeter where the…

A:

Q: How many mL of 0.500 M NaI would be required to make a 0.0640 M solution of NaI when diluted to…

A:

Q: Which of the ring-opening reactions given below should occur most readily? Explain using mechanisms,…

A:

Q: Draw the mechanism for the reaction of an alkyl halide with sodium azide followed by reduction.…

A:

Q: You are given the following data: H₂(g) 2 H (g) Br₂(g) → 2 Br (g) H₂(g) + Br₂(g) 1 2 HBr (g) kJ mol…

A:

Q: II. Rank the following compounds in order of increasing reactivity toward nucleophilic acyl…

A:

Q: What is the pH of a buffer that results when 5.18 mole of H₂PO4 is mixed with 4.33 mole of NaOH and…

A:

Q: 11 Calculate the pH of a mixture made by adding 31.3 mL of 0.014 M HCIO4(aq) to 153.5 mL of water at…

A: As we know , Moles the solute remains same on dilution but volume of the solution increases.…

Q: What is the molality of a solution of 30.1 g of propanol (CH₃CH₂CH₂OH) in 152 mL water, if the…

A:

Q: A 1.48 mol sample of carbon dioxide gas is collected at a pressure of 893 mmHg and a temperature of…

A: Consider the given information as follows; Moles (n) = 1.48 mol Pressure (P) = 893 mmHg =…

Q: What is the IUPAC name for this alkane? CH2 - CH3 CH3-CH-CH-CH2 - CH3 I CH3 O octane O 2,…

A: IUPAC name for any organic compound will have three parts in general :-  1. Prefix -: Consists of…

Q: hat are the appropriate reagents 1 O OEt 1

A: DIBAL-H is selective reducing agent used specially for the reduction of ester into aldehyde.

Q: If 2.10 g of CuSO4 is dissolved in 9.37 x 10² mL of 0.360 M NH3, calculate the concentrations of the…

A: When Cu2+ reacts with NH3 it forms a complex like Cu(NH3)42+which is blue in colour.

Q: The pH of a 0.30 M solution of a weak base B is 10.22. What is the K, of the base? Be sure your…

A:

Q: Draw a structural formula for the major organic product of the reaction shown below Br +…

A: Solution: As compared to the other organometallic compound Gilman reagent is a milder nucleophile…

Q: Aqueous hydrochloric acid (HC1) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium…

A:

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.