Question 12 Which characteristics correctly describe a neutron? A approximate mass 1 amu; charge +1; inside nucleus B approximate mass 1 amu; charge -1; inside nucleus C approximate mass 1 amu; charge 0; inside nucleus D approximate mass 5 x 10-4 amu; charge 0; inside nucleus E approximate mass 5 x 10-4 amu; charge -1; outside nucleus

Q: Find the volume of 0.30 M NaOH needed to make 50.0 mL of 0.120 M NaOH. How much 0.30 M NaCl solution…

A: Molarity -: The number of moles of solute present in 1 Liter of solution is called molarity.  On…

Q: D HIT-NO-2519 SCORE= SALICYLAMIDE C₂H₂NO₂ 4000 3000 3397 9 2640 64 3191 13 3096 52 1674 3061 49 2793…

A: The question is based on the concept of organic spectroscopy. We need to analyse the spectral data.

Q: H3C. .CH3 NH CI CI HCI

A: an acid is a species which donates Proton while a base accepts proton.An acid after donating Protons…

Q: can you draw what the c13 NMR spectra graph would like look for 2, 2, 2- trichloro-1-phenylethyl)…

A: In C13 NMR, each non-equivalent carbon shows a peak.The range for C13 NMR is 10-200 ppmAlkane carbon…

Q: DISUBSTITUTED BENZENES Draw the products of monosubstituted benzenes 2-5 with reagents (a)-(f). Cl₂,…

A: Preparation of Disubstituted benzenes:The incoming substituents oriented by the substituents which…

Q: A galvanic cell is powered by the following redox reaction: 3 Cl₂(g) + 2 Cr(OH)3(s) + 10 OH¯ (aq) →…

A: During oxidation, electrons are lost and during the reduction process, electrons are gained.

Q: Some measurements of the initial rate of a certain reaction are given in the table below. [N₂] [H₂]…

A: Given,

Q: 1 Measurements have shown that the concentration of salt in seawater is 35.5 g.L-¹. Calculate the…

A: The objective of this question is to calculate the volume of seawater that needs to be evaporated to…

Q: onsider the following mechanism for the reaction between nitric oxide and oxygen: NO(g) + O₂(g) - -…

A: Given,The set of reaction equationsa are:

Q: Check all that apply. О ✔ NHCH, Lon + la + b - si INH2 + H₂O + CH₂OH - LOCH, ia NHCH, OCH3 +CT → do…

A: In the above nucleophilic substitution reaction occur . The mechanism of reaction is nucleophilic…

Q: Draw a Lewis structure for the molecule below, showing all lone pairs. You may abbreviate any methyl…

A: To write the Lewis structure, the valence electrons have to be counted for all the elements present…

Q: Match the correct structure from the list below to the proton NMR data provided. Complete an NMR…

A: Each unique proton in a compound produces a signal in hnmr spectra.The value of the signal depends…

Q: Draw the major product of this reaction. Ignore inorganic byproducts. 47°F HCI, H₂O Drawing Q

A: Given reaction is an example of the hydrolysis reaction.In this reaction hydrolysis of ester gives…

Q: What is the nuclear symbol for the missing nuclide? • Type "/" to create a fraction to get a…

A: As we know , During the radioactive decay , mass is conserved as it follows law of conservation of…

Q: 2. Draw the complete mechanism for the following reactions, showing the formation of each product.…

A: This reaction proceeds addition elimination mechanism.One major product is formed.The reaction with…

Q: Which compound is nonaromatic? Assume all molecules are flat/planar. b. Of. Å N=N NH

A: Answer:-This question is answered by using the simple concept of aromaticity of the organic…

Q: In a proton NMR spectrum, indicate the number of peaks and their multiplicity for the following…

A: The objective of the question is to determine the number of peaks and their multiplicity in the…

Q: How many л bonds are in the molecule? H-O: л bonds:

A: The number of sigma and pi bonds in different types of bonds are listed below.Type of BondNumber of…

Q: A 5.708 g of sample of a mixture containing CuSO4.5H 20 (MM = 249.7) and NaCl (MM = 58.44) yielded…

A: In this question we have to covert the mass of water into mass of CuSO4.5H2O.Weight of sample =…

Q: ....

A: The objective of the question is to identify the compound with stronger intermolecular forces in…

Q: Using the respective line of best fit and the figure shown below, Calculate the concentration of…

A: A question based on analytical chemistry.. Using the given data the respective line of best-fit is…

Q: If 0.500 mL of an 0.223 M NaCl solution is added to 100.0 mL of pure water.  what is the…

A: The objective of this question is to find the concentration of the new solution when a certain…

Q: Which major IR absorption(s) is/are present above 1500 cm for the following compound? Check all that…

A: The given molecule contains  group. This group has characteristic stretching frequency around  but…

Q: 4. Draw arrows on the given structure, draw the best resonance form, then draw the resonance hybrid…

A: Given is structure of organic compound.When all the properties of a molecule cannot be explained by…

Q: Identify the most acidic proton for the compounds shown. Then Identify the acid and the base for the…

A: In the given question we have to identify the acidic proton in the acid, the base involved in the…

Q: 12) Provide the proper IUPAC name for the alkenes shown below سكر

A: Recognize the parent chain by counting the carbons that are maximum at the continuous chain.If there…

Q: Which one of the following gas-phase atoms/ions would require the most energy to remove one…

A: The energy required to remove a loosely bound valence electron from an atom or ion in the gaseous…

Q: 20 A 0.600 m aqueous solution of KBr has a total mass of 88.0 g. What masses of solute and solvent…

A: Molality is defined as the number of moles of solute present per one Kg of solvent in the…

Q: What mass of calcium chloride dihydrate, CaCl2•2H2O is required to prepare 100.0 mL of a 0.211 M…

A: The objective of this question is to calculate the mass of calcium chloride dihydrate (CaCl2•2H2O)…

Q: ppose a later and more reliable measurement gives 0.46 s for the period of the same star. Decide…

A: Accuracy: Accuracy refers to how close a measured value is to the true or accepted value of a…

Q: The correct IUPAC name for this compound is: none of the choices Ob. 2-methyloxacyclopentane Oc.…

A: RULES for IUPAC nomenclature; In first step, we identify functional groups present.  We make longest…

Q: 5.3) Propose a mechanism for the following reaction: CH3 H NaOH HO. H

A: Given,The reaction is:

Q: a) Identify the acidic proton for each of the following molecules: HO OH SH -H H l NH₂ b) Rank the…

A: Acidity is defined as the ability of a molecule to release protons.If a compound easily donates…

Q: To what point group does the following molecule belong? CI 3.

A: Point group of a molecule can determine considering the rotation axis, perpendicular axis to the…

Q: 5. There are three constitutional isomers with the molecular formula, C6H12. When heated with…

A: Constitutional isomers are those compounds which have same molecular formula but different…

Q: Determine the molar solubility (S) of Zn(CN), in a solution with a pH = 3.42. Ignore activities. The…

A: Ksp for Zn(CN)2 = 3.0 × 10-16 Ka for HCN = 6.2 × 10-10 pH = 3.42We have to calculate molar…

Q: You prepare a solution by dissolving 17.2 g of ethylene glycol (C₂H₂0₂) in 0.500 kg of water. The…

A: The objective of the question is to find the concentration value in the given units of  of ethylene…

Q: A solution was made by dissolving 3.53 g glucose ( C6 H12 O6) in 43.7 g water ( H₂O). What is the…

A:

Q: We can determine the copper(II) ion content of a sample using spectrophotometry. The following data…

A: Absorbance is the amount of light absorbed by a substance. The Beer-Lamberts law states that the…

Q: PhCHO 1. E+ My Br 2. HzO, HẠ На сгочу Zn(Нд), ая на

A: In the first step of the reaction, the aldehyde reacts with the Grignard reagent to form an alcohol,…

Q: The solubility of KNO3 is 155 g per 100.0 g of water at 75 °C and 38.0 g at 25 °C. What mass of KNO3…

A:

Q: вс г HOCH, CHzol H₂SO4 Mg, E+,0 риснісно, на, нао H₂O

A: The question is based on organic reactions.We need to identify the product and explain its…

Q: In the video, the water level was 15 milliliters before adding the chain, and 20 milliliters after…

A: The objective is to find out the mass percentage of the gold in the chain.Given Initial Volume…

Q: draw the structure of the peptide Asp - Asn - Ser - Lys - Pro at PH 8

A: Amino acids contain both amine and carboxylic acid functional groups.. In alpha amino acids the…

Q: Draw the major organic product of the Bronsted acid-base reaction. Include all lone pairs and…

A: In the acid-base reaction, there is a transfer of protons from bronsted acid to base. In a given…

Q: Draw a Lewis structure for the conjugate acid. Write in any non-zero formal charges and make sure…

A:

Q: ▼ Part C Spell out the common name for the molecule. View Available Hint(s) Submit Part D…

A: Given are organic compounds.Compounds in parts C and D are ether.Compound in part E is phenol.

Q: Part D O CH₂CH₂ OCH3 + H₂O Draw the molecules on the canvas by choosing buttons from the Tools (for…

A: The anhydride on reaction with water gives back the acid from which it was made. The given ethanoic…

Q: Enter a number (e.g. 0.500). Pay attention to significant figures. A student prepared a stock…

A: The mass of The volume of the solution = The final volume of the solution = We have to calculate the…

Q: Practice: A 30.0 g chunk of aluminum initially at 98 1S added to a coffee cup containing 150. g of…

A:

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.