How many hydrogens are in this molecule? Answers : 8, 9, 10, 12

Q: Convert the following measurement. 7 9.7 × 10 mol 2 • kg m mol gcm 2

A: To convert one unit into another unit, use the conversion factor. This conversion factor cancels out…

Q: The 100 ml of 0.1 M CH3COOH is mixed with 50 ml of 0.1 M NaOH solution, and the pH of the resulting…

A: This problem is based on Buffer Solution.A buffer solution is defined as the solution which can…

Q: Fill in the name and empirical formula of each ionic compound that could be formed from the ions in…

A: to fill name and empirical formula of each given ionic compound that could formed  from given ions

Q: the reaction below. ОН HCI

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: 8. [H+] = 0.000048 M, what is the [OH-]? 9. [OH-] = 7.6 x 10-³ M, what is the [H+]?

A: [H+] = 0.000048 M = 4.810-5 M[OH-] = 7.610-3 MKw = 1.010-14

Q: 4. pOH = 4.5, what is the pH? 5. pH = 3.7, what is the pOH?

A: 4) Given:pOH = 4.5We have to determine the pH5) pH = 3.7We have to determine the pOH

Q: Caculate the final concentration for the buffer after each dilution for each solution. 120ml of…

A: the objective of this question is to calculate the final concentration of the buffer solution.  The…

Q: 7. What is the expected major product for the following reaction? Br₂ hv

A: Organic photochemical bromination is a chemical reaction that involves the introduction of bromine…

Q: For humans to maintain the pH of their blood close to 7.4, the body uses three buffer systems:…

A: The objective of the question is to identify the weak acid and the conjugate base in the given…

Q: Saturated vapor pressure of a binary system consisting of Ethanol (1) / 1 - Propanol (2) at a…

A: Mole fraction of ethanol(z1) = 0.25Vapor pressure of pure ethanol( P1) = 44.5 mmHgMole fraction of…

Q: 1.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: (1)The amount of carbon and hydrogen is calculated from the grams of CO2 and H2O

Q: There is a pebble in a graduated cylinder filled with water and the volume reads 106 mL. If you…

A: The objective of this question is to find the mass of the pebble given its density and the change in…

Q: How many orbitals (beds) are in an s sublevel? How many in a p sublevel? OS: 3, p: 3 OS: 2. p: 3 OS:…

A: Atomic orbitals are the three-dimensional space in which the electron finding probability is…

Q: The elements X, Y, and Z have electronegativities of 2.2, 3.8, and 1.4 and form compounds XY, YZ, an…

A: According to Hanny-Smith equation,% ionic nature = 16 |XA - XB | + 3.5 ( XA - XB)2 Where, XA and XB…

Q: Calculate the % mass/volume concentration of 6g of NaCl in 14L of solution

A: Given,mass of NaCl = 6 gvolume of the solution = 14 L

Q: Select the most contributing resonance structure from each pair. A B C 1 N=CIO: НО. H R O CH3 O CH3…

A: When the bonding in a molecule cannot be expressed by a single Lewis structure, the resonance theory…

Q: Perform the calculation and record the answer with the correct number of significant figures.…

A: The given expression is We need to calculate to correct number of significant figures.

Q: In the lab we have an electron diffraction instrument wherein the detector screen is positioned…

A: The momentum (p) of the electrons can be calculated using the energy (E) and the speed of light (c):…

Q: at 25 degrees celsius how many disassociated oh - ions are there in 1237 ml of an aqueous solution…

A: pH is given,Volume is given We have to find number of OH- ions.

Q: FO 19: Determine sigma and pi bonds for a structure. A structure of caffeine is shown here: (a) List…

A: Given a heterocyclic molecule. determine the number of sigma and  bonds.

Q: The boiling point of water is 100.0°C at 1 atmosphere. How many grams of aluminum chloride (133.3…

A:

Q: Draw the Lewis Bond-line Structure for the following molecules. (These are not correct unless you…

A:

Q: How many electron carrier molecules (both NADH and FADH₂) are made per glucose put in to glycolysis?…

A: Glycolysis is the first part of cellular respiration in which one glucose molecule is converted into…

Q: - # of electron groups - bond angle - shape H H-CEC-C-N-H II HH

A: N atom:number of electrons around N atom = thus number of electron pairs around N atom = 4Now…

Q: Give the IUPAC name of the carboxylic acid below. OH

A: Given Organic compound .We need to write the IUPAC name of the given compound.

Q: The free energy change for the following reaction at 25 °C, when [H*] = 8.48x10-3 M and [Fe3+] =…

A: The given chemical reaction is

Q: 4. Predict ALL of the major organic products from each reaction below. Br₂ H₂ (1 atm) Pd (cat.) H₂…

A:

Q: Would chromium-51 be useful for dating rocks containing chromium? Why or why not?

A: Radioactive dating is a method of dating rocks and minerals using radioactive isotopes. The…

Q: A gas mixture consists of 3.74 atm of C₂H5Br, 4.22 atm of HBr, 0.11 atm of C₂H6, and 0.882 atm of…

A:

Q: 7. How many non-equivalent protons are there in each of the following structures? Н 0 OCH3 Вон Сосно…

A: Given are organic compounds. Non-equivalent protons are protons that have different chemical…

Q: n=1 n=2 n=3 n=4 n=5 Use the Rydberg equation to calculate the wavelengths of the transitions in the…

A: Lyman series are the de-excitation of electrons to n=1 from n>2 or n=2.

Q: lon-lon is an intermolecular force with bonding between hydrogen and either a nitrogen, oxygen or…

A: 1. London Dispersion Forces It can be found in all compounds, polar or non-polar, and it happens…

Q: Draw the skeletal structure of the product(s) for the Lewis acid-base reaction. Include lone pairs…

A: The objective of the question is to find the skeletal structure of the product from the given Lewis…

Q: The product of reduction of mannose is mannoic acid. O True O False

A: Mannose is a monosaccharide and it is a polyhydroxy aldehyde. On reduction of aldehyde forms…

Q: Draw the mechanism using curved arrows for the given reaction. Try one last time + ☐ :Ö-H +…

A:

Q: 6. How many non-equivalent carbons are there in each of the following structures? Н OCH 3 CH3 III…

A: 13C-NMR spectroscopy is mainly used for the identification of carbon skeleton. From the position of…

Q: What is the pH of a solution that is 0.10 M HC7H5O2 and 0.10 M NaC7H5O2 (the conjugate base)?  Ka of…

A: The objective of this question is to calculate the pH of a solution that contains a weak acid…

Q: Calculate the linear momentum of photons of wavelength 350nm. At what speed would a H₂ molecule need…

A: We know the debroglie hypothesis that  p is the linear momentum associated with wavelength lamda.

Q: Give an IUPAC name for the compound below. Accepted names for branched alkyl groups are isopropyl,…

A: The longest possible continuous chain is selected as parent carbon chain.The functional group is…

Q: In self-contained breathing devices used by first responders, potassium superoxide, KO2, reacts with…

A:

Q: For the following reaction: > LIHCO3 Li₂CO3 + H₂O + CO₂ - O a. If 1.25g of Li₂CO3 is added to 0.5g…

A: Givena chemical reaction, mass of Li2CO3 = 1.25 gThe mass of H2O=0.5 gFind out the limiting reagent.

Q: Canvas X Question 49 Å What information is conveyed by the "m" in 99mTc? O There are multiple…

A: Meta stable element is the element that has more stable excited state rather than ground state.

Q: Draw the structure for the following compound: 2,4-dipropylaniline NH₂

A: -> First of all we draw aniline which is benzene ring attached with amine group at ipso(1)…

Q: H-C = C-H 애

A: The question is based on the concept of organic synthesis.We need to synthesize the product using…

Q: What does one do with the solutions after taking the measurements? What does one do with the…

A: The objective of the question is to understand the procedure to be followed with the solutions after…

Q: The following figure is a representation of: 0₂ H₂ tap Stopcock closed O mean free path Effusion…

A: 1) Stopcock closed2) Stopcock open3) Some time after Stopcock openedThis is a phenomenon of oxygen…

Q: Here are sketches of four electron orbitals: A Are any of them s orbitals? List the s orbitals, if…

A: We have been asked to identify the different types of orbitals.

Q: The compound known as butylated hydroxytoluene, abbreviated as BHT, contains carbon, hydrogen, and…

A: 1st Calculate the mass of C, H and O2nd Calculate the moles of C, H and O3rd Calculate the empirical…

Q: D H 1 or 2

A: We have to identify which resonating structure is more stable

Q: Wield the ¹3C NMR as your second-greatest weapon. How many unique signals do you see? What does this…

A: NMR spectroscopy is deals with NMR active nucleus. It is mainly used for identification of structure…

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.