21) OH +

Q: If you are asked to find the molar solubility of  KCl2 at SATP, what are you looking for? s Ksp ...

A: Solubility is the ability of a substance to dissolve itself in a given solution. The quantity of sol...

Q: Practicce chemistry question

A: Aliphatic: This is a broad group of hydrocarbons in organic chemistry. This is an organic compound i...

Q: As practice, write the noble gas configuration and identify the quantum numbers of the following ele...

A: 1) Oxygen  atomic number of Oxygen is 8. the electronic configuration is [He] 2s2 2p4 principal quan...

Q: Calculate the amaunt of enerqy requiral fe melt of aluminum popcons initially at 25°C. 5.0 kg (Al ha...

A: Given: The mass of aluminum is 5.0 kg. The initial temperature of aluminum is 25°C. The enthalpy of ...

Q: Show how you would synthesize the following compounds, starting with acetylene and any compounds con...

A: The synthesis of trans-hex-2-ene is as follows: In the first step acetylene reacts with NaNH2 and me...

Q: Multiply 21.5 x 3.149 and report the answer to correct sigfigs. 67.704 6.83 67.7 0 67 70

A: On multiplying 21.5 by 3.149, we get the answer 67.704 . According to significant rules of multiplic...

Q: Practicce chemistry question

A: To determine the formula for Potassium hexacyanoferrate(II)

Q: Draw the product for the attached reactions.

A: Treatment of an alcohol with sulfuric acid gives alkene and water. Since, water is being removed fro...

Q: Question 2 a. A 1.000L buffer is made of 0.7 M CH3COOH and 0.6 M CH3COONa .What is the pH of the bu...

A: Note: Since we solve one question at a time, we'll answer the first question as the exact one wasn't...

Q: An aqueous solution of potassium permanganate KMnO4 is mixed with an aqueous solution of manganese (...

A: When aqueous solution of potassium permanganate mixes with aqueous solution of manganese sulfate , m...

Q: What is the volume of 190.0 grams of nitrogen at -23.5 C and 99.0 kPa?

A: a gas is said to be ideal gas if it follows ideal gas equation, PV = nRT 

Q: A sample of 10 mL of wine was taken and the volume was completed to 50 mL by adding pure water. This...

A: To calculate the concentration of tartaric acid in g/L, first of all, we calculate the molarity of d...

Q: 360.0g of ice at 0°C was melted, heated to 100°C and converted to water vapor at 100°C. a) How much ...

A:

Q: Question attached

A: The chemical formula of compound is given as C16H14F3N3O2S. And moles of C16H14F3N3O2S given = 0.73 ...

Q: 'H NMR Spectrum of the Unknown Organic Compound IR Spectrum of the Unknown Organic Compound 97 67 65...

A: IR spectra deals results from the interaction of infrared radiation with matter by absorption. IR sp...

Q: Ion Chromatography Experiment Result: Write the structure of an example of anion exhange column indi...

A: Solution Chromatography is that the separation of a combination of compounds into its individual ele...

Q: What would the pH be at the equivalence point when citric acid is neutralized with sodium hydroxide?...

A: Citric acid is a weak acid. It is partially ionized. It's pH is between 3-6. AH⇌A-+H+ NaOH is a stro...

Q: A 0.08 mM solution of potassium palmitate (K*Pal) is separated from a 0.120 mM solution of KCI by a ...

A: Volume of potassium palmitate = 0.08 mM Volume of potassium chloride   = 0.120 mM

Q: How does hydrogen molecule reacts with CO and CO2 ?   NEED A BIG EXPLAINED ANSWER

A: Hydrogen molecule reacts with carbon mono oxide in presence of different catalyst to give different ...

Q: Which combination of protons, neutrons, and electrons is correct for 12/1 (atomic number:53)? OA. 53...

A: In a neutral atom, Atomic number = Number of proton = Number of electron Atomic mass = (Number of pr...

Q: 5. Calculate ΔH° for the reaction 2 C4H10 (g) + 13 O2 (g) → 10 H2O(g) + 8 CO2 (g) using the followin...

A:

Q: Calculate the mass of Na2SO4 (s) needed to make 500.0 mL of 0.145 M aqueous solution.  ____________g...

A: Molarity = number of moles/ volume(in L) Moles = molarity x volume (in L) Moles = mass / molar mas...

Q: In an experiment, it requires 34.2 ml of a NaOH solution to titrate 0.500 g of dissolved KHP (molecu...

A: In acid-base reaction At the end point  moles of acid = moles of base W/MW x 1000 = M x V(in mL) whe...

Q: What does “electron density in a particular tiny volume of space” mean?

A: In an atom, we can not know precisely where the electron is at any moment, but we can describe where...

Q: 29) -N-N=0 + NANO, + HCI

A:

Q: Practicce chemistry question

A: the donating nature of  electron density of ligands  to the metal vaccent orbital is ,known as denti...

Q: 7 Explain the stereochemistry of E2 eliminations to form alkenes, and predict theproducts of E1 reac...

A: Elimination reaction The reaction in which elimination or removal of HX (hydrogen halide) to form an...

Q: Explain the difference between exothermic and endothermicreactions in terms of the relative strength...

A: Reactions are defined as endothermic and exothermic reactions based on the energy involved with the ...

Q: Please lmk how to input it.

A: When given mass is devided by its molar  mass then number of mole is obtained. 

Q: Determine the empirical and molecular formula of the following compounds: Dichloroethane, a compoun...

A: Given : The compound is made up of elements C, H and Cl only. Mass percent of C = 24.3 % Mass percen...

Q: 8) Br Mg CO, H* ?

A: Alkyl halide reacts with magnesium metal to form alkyl magnesium bromide, Grignard reagent. The Grig...

Q: 2. A solution containing 6.35 g nonelectrolyte dissolved in 500g of water freezes at -0.465°C. Deter...

A: Delta Tf = Kfm Delta Tf = depression in freezing point  Kf for water is = 1.86KKgmol-1 Delta Tf =Fre...

Q: Practice chem question

A: The reaction taking place is given as, => A (g) + B (g) -------> C (g)      Given : ΔH = -201 ...

Q: Show how the following transformations may be accomplished in good yield. You may use any additional...

A: a) Draw the reaction mechanism.

Q: Calculate the molarity of the following solutions: D) 21.70 mg of KCl in 8.11 mL of solution.

A:

Q: How we can distinguishe between the homogeneous and heterogenous and colloidal mixture And can we sa...

A: Homogeneous mixture: Particles are uniformly distributed. They cannot be differentiate by eyes. It h...

Q: Practicce chemistry question

A: Option C is correct.  

Q: How do I measure volume in a graduated cylinder?

A: Given, Graduated cylinder. It is required to measure the volume of a liquid by using the graduated c...

Q: Define specific reaction rate or rate constant.

A: Specific rate constant at a given temperature may be defined as the rate of reaction when the molar ...

Q: Question 1 How many sigfigs are associated with the number 1.113? 4 O 1 O 2 O 3

A: Significant figures are defined as no.of digits which tell about accuracy and precision. 

Q: Why is ethyl acetate soluble in hexane using intermolecular forces

A: Solubility follows the rule of like dissolve like. This means that polar solute dissolves in polar s...

Q: What would the pH be at the equivalence point when hydrochloric acid is neutralized with lithium hyd...

A: Hydrochloric acid is a strong acid and lithium hydroxide is a strong base. When lithium hydroxide re...

Q: Chemistry and Environmental Pollution Discuss with the aid of a diagram the eutrophication process o...

A: A question to describe the eutrophication process of lakes using relevant diagram.

Q: Practicce chemistry question

A:

Q: Calculate the molar energy required to reverse the direction of an HCl molecule located 300 pm from ...

A: If a point charge is placed at a distance from a point dipole, they both interact with each other. A...

Q: Are the structures in each set valid contributing structures?

A: The sets of Lewis structure of a polyatomic molecule that talks about the delocalization of electron...

Q: show the instrumentation of HPLC providing a schematical representation ?

A: Instrumentation:-

Q: Practicce chemistry question

A: A covalent bond is formed by the overlap of half filled orbitals containing unpaired electrons. Vaca...