Calculate the molar concentration of formic acid, HCOOH (K₂ = 1.80 x 10-4) that was 3% ionized.

Q: Convert the pressure measurement of 251 torr into units of mmHg.

A: The Answer to the following question is- Both torr and mmHg(millimeter of mercury), is unit of…

Q: Home Work: 1. At a temperature of 300K, 30 litres of gas A kept under pressure of 1 atm and 15…

A: Given,  Temperature , T = 300 K

Q: A chemical substance has a specific heat of 0.881 J/g °C. If 56.7 grams of this substance is heated…

A: The amout of heat absorbed in joules is = 2.49 x 103 J

Q: An aqueous solution is prepared to be 0.394 M in sodium acetylsalicylate and 0.283 M in benzoic…

A: Given, Concentration of Sodium acetylsalicylate = 0.394 M Concentration of benzoic acid = 0.283 M…

Q: Draw the product for the reaction in the space provided. H3C- CH3 CH H -CH3 + H₂O -> Select Draw…

A:

Q: Starting from the expression for the Bohr radius of the hydrogen atom, derive an expression for nh…

A: Bohr's model of atom is based on classical mechanics. Heisenberg's model of atom considers…

Q: Name the element and Identi the number of p', e, nº, A and 2 of the following 1. 2. 11 26 3.AP+ 4.…

A: Subatomic Particles: It is also known as elementary particles. these particles are found in the…

Q: A sample of Ni(s) is heated to 98.8 Celsius and placed into a coffee cup calorimeter containing…

A: Given, mass of water = 150.0 g

Q: What is the molarity of a solution that contains 4.85 moles of a solute in 750.0 mL of solution?

A: Molarity is defined as number of mole of solute divide by volume of solution in liter.      Given…

Q: Drew the atomic structure of gallium arsenide (GaAs).

A: GaAs is of the zincblende structure that has FCC symmetry . Each galium atom is bordered by arsenic…

Q: Find the number of vibrational modes for the following molecules: NH3, CH4, and C₁0Hg.

A:

Q: ± Changes in Temperature The ideal gas law (PV=nRT) describes the relationship among pressure P.…

A:

Q: Convert the Fischer projection to the Haworth projection of the a-furanose form by moving the…

A: For the conversion of Fischer projection to Haworth projection we use the following steps of…

Q: + 2Cl2 -> CrCl4 Then, write balanced half-reactions describing the oxidation and reduction that…

A: The oxidation occurs as the following things happen in the reaction --> (a) --> Addition of…

Q: The molar solubility of PbCl2 is 4.78⋅10−6 M.  Calculate the solubility of each ion in a saturated…

A:

Q: Combustion of hydrocarbons such as nonane (C₂H₂0) produces carbon dioxide, a "greenhouse gas."…

A:

Q: What volume of water must be added to a 16.93 mL solution of a pH = 2.48 solution of HCIO4 to raise…

A: we need to calculate the volume of water that should be added to the solution to raise the pH to…

Q: A 0.804 gram sample of an unknown monoprotic acid is dissolved in 30.0 mL of water and titrated with…

A: Given data :

Q: Precipitation NHẸ (aq) + H,O(1)= NH,(aq) +H,O*(aq) CuCl,(aq) + Mg(s) — MgCl₂(aq) + Cu(s) equation…

A: Here, we have to classify the given reactions as precipitation, acid-base, redox, and decomposition…

Q: Why the ICP-OES gives lower detection limits as compared to the flames and other atomization sources…

A: ICP-OES gives lower detection limits as compared to the flames and other atomization sources for…

Q: 2) Consider a water sample in a closed system with Cr,co3=8x10-4 M and pH=8. a) What is the…

A: Answer is given below

Q: heated. Mg3 N₂ (s) 53 2 What volume decimal place.

A:

Q: A sample containing 3.05 moles of He (1 bar, 359 K ) is mixed with 2.50 mol of Ne (1 bar, 359 K )…

A: Given that, at 1 bar pressure and 359 K temperature, a sample containing 3.05 moles of He is mixed…

Q: What is the major product between the reaction of 2-methoxypentane and HBr reagent?

A: In the given reaction ether reacts with hydrogen bromide to form an alcohol and alkyl bromide. The…

Q: Draw the structure of 3-methyl-1-butyne.

A:

Q: Course Contents Submit Answer Tries, 0/99 This discussion is closed. M CAL Problem set Unit 5 Q10…

A:

Q: Show how you would make the following compound using the Williamson Ether synthesis CFS Br +1² 97 →…

A:

Q: Methane CH is a simple organic molecule that is used as a fuel—it is the major component of natural…

A: Dear student, we are authorised to solve only one question at a time. Please post rest of the…

Q: How many molecules of an ideal gas are contained in a 2.5 L flask at STP? Submit Answer Tries 99…

A:

Q: With the aid of a suitable diagram, discuss the working principles of a Fourier transformed infrared…

A: The basic premise of infrared spectroscopy or vibrational spectroscopy is to observe how light is…

Q: When a 24.7 mL sample of a 0.389 M aqueous hydrofluoric acid solution is titrated with a 0.390 M…

A: Here we are required to find the pH of the solution.

Q: What is the binding energy of ¹¹¹Sb? Select one: O a. 937 MeV O b. 894 MeV O c. 768 MeV O d. 983 MeV

A: Eb = (Z × mH + N × mn - misotope) × 931.5 MeV/amu   Eb = binding energy, in MeV Z = number of…

Q: How many orbitals (m) are in the n-5 energy level that are of the designation m =+1?

A:

Q: What is the molar solubility of iron(III) hydroxide in water with a pH of 11? Ksp = 2.87E-39

A:

Q: The following is an alpha plot for a monoprotic weak acid, HA. 1.0 a 0.5 4 6 pH 8 10 12 14 HA A™ (1)…

A: Given

Q: Given the frequency or wavelength, calculate the energy 8.98x10^12 Hz 5.54 cm

A:

Q: Convert 614 Cal to J. Only include the numerical value in your answer. Respond with the correct…

A: We know 1 cal = 4.184 J

Q: STARTING AMOUNT ADD FACTOR x( ) 0.700 g/mL Convert the concentration of 0.700 M Na₂SO to g/mL 6.022…

A: Given, Concentration of Na2SO4 = 0.700 M = 0.700 mol/L Concentration of Na2SO4 = ?  g/mL Note:…

Q: he first-order decomposition of a colored chemical species, X, into colorless products is monitored…

A:

Q: (14) DRAW THE FOLLOWING + HI → 1X² + 2 HI→ REACTION MEC pol

A:

Q: -rom the list below select all isotones of Note: in this question marks are subtracted f wrong…

A: We have to select all the isotones of  11B

Q: Usually at the 2- or 3- position, Thiophene undergoes electrophilic aromatic substitution. Draw the…

A: Organic reactions are those in which organic reactant react to form organic products. In the above…

Q: 1. What does Markovinkov addition mean? What does addition mean? You can answer with anti-Marovnikov…

A: The given problem is based on the chemical properties of alkenes.

Q: What is the pressure in a 28.0-L-cylinder filled with 38.5g of oxygen gas at a temperature of 343 K?…

A: we have to calculate the pressure of oxygen gas

Q: Suppose a pair of chemical compounds A and B can react in two different ways: Reaction 1 gives…

A:

Q: For the reaction 4 CH, CH₂(g) +14 NO₂(g) →7N₂(g) + CO₂(g) 12H₂O(g), the rate of the reaction in…

A:

Q: C Write a mechanism for the step shown below, using curved arrows to show electron redistribution.…

A: Acetals are the products formed by the reaction between aldehyde or ketone with alcohol. Acetals are…

Q: Give the set of reactants (including an alkyt halide and a nucleophile) that could be used to…

A:

Q: Br Based on the intermediate shown below, predict the preferred regiochemistry of this reaction. H₂O…

A: Organic compounds are the compounds that contain carbon and hydrogen atoms. We have been given two…

Q: Which atmosphere represents the highest partial pressure of oxygen in the lungs? Select an answer…

A: