Where do you find the information needed to determine molecular weight? A. periodic table, B. chemical formula C. chemical equation D. periodic table and chemical formula

Q: CN NH acid catalyst 1. CH3MgBr/THF 2. H3O+

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Q: A water sample has exact alkalinity of 220 mg/L CaCO3. The sample contains 150.0 mg/L HCO3 at a pH…

A: According to the question we have, The alkalinity of the water sample is given by = 220 mg/L The…

Q: (8) 9. How much energy is required to heat 81.0 g of water (specific heat = 1.00 cal/g°C) at 11.0°C…

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Q: Question 6 If the plot is not displayed, please see Figure F13-4-2-b (the water phase diagram) in…

A: Answer: Triple point is the temperature and pressure values corresponding to a substance at which…

Q: Exercises 1. What salt is formed in each reaction? Write its condensed structural formula. 1.…

A: Amines react with strong acids like hydrobromic acid (HBr) to give ammonium salts. In condensed…

Q: For the reaction, Kc = 255 at 1000 K. CO (g) + Cl2 (g) COCI₂ (9) If a reaction mixture initially…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: i) j) OH k) 1) ОН H₂SO4 OH TSOH TSC OH pyridine HBr m) n) o) OH он л он НI POCI3 OH SOCI₂

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Q: system absorbs 189 kJ of heat and the surroundings do 120 kJ of work on the system.

A: According to the first law of thermodynamics: ∆U =  q + w  ∆U = Change in the internal energy  q =…

Q: Calculate the rate constant. Rate constant = L/(mol. h)

A: we have to calculate the value of rate constant

Q: suring concentration of amino acids and peptides. Which function group is responsible for light…

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Q: Write balanced chemical equations as indicated for any observed reactions. Write NR if no reaction…

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Q: propo -8- LiAlHy H30 OH PCC OH PB3 1) 42) H30 Br mg, Ether mgBr

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Q: Mercury (Hg) metal is used in thermometers and making car headlights, and has a mass of 1.0473g.…

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Q: 2. Compute for the formula weight of the following: a. CuSO4 b. Br₂ C. C₂H5NO2

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Q: The Ka for HCN is 4.9 × 10-10. What is the value of Kb for CN-?

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Q: If the ultimate BOD of two wastes having k values of 0.0800 dand 0.120 d is 280.0 mg/L, what would…

A: Given:  The ultimate  BOD = 280.0 mg/L values of k are, k1 = 0.0800 d-1  k2 = 0.120 d-1  Find: 5-day…

Q: Y Part B The acid-catalyzed dehydration of an alcohol is an E1 reaction in the case of secondary and…

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Q: One or more positively-charged 1 negatively-charged atoms. A. Ionic bond B. Covalent bond atoms are…

A: The attractive force which holds atoms or ions together in a molecule is known as chemical bonding.…

Q: mmm 50 - D Region 4000 4000 3000 cm-¹ 3000 2700 - 2700 2000 cm -1 2000 1600 cm -¹ 1600 - 600 cm -¹…

A: Unknown compund IR-spectra .

Q: Which occurs when propane undergoes a chemical reaction with oxygen? A. chemical bonds are broken.…

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Q: О

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Q: 2) Indicate if the compound is soluble or insoluble in water A) Na2CO3 B) K2SO4 C) Fe(NO3)3 D) ZnS…

A: Generally polar organic compounds are soluble in water. But inorganic salts are unique ,they don't…

Q: The gas-phase reaction 2 N₂O5 (g) 4 NO₂(g) + O2(g) has an activation energy of 103 kJ/mol, and the…

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Q: (10-3 Triprotic systems) Find the pH of (A) 0.10 M H3His2+; (B) 0.10 M H2His+ ; (C) 0.10 M HHis;

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Q: What is the IUPAC name for the molecule shown below? (when assigning priority, look at the atomic…

A: For IUPAC naming following steps are required - First of all identify the longest carbon chain…

Q: 6.109 When silver nitrate is added to an aqueous solution of calcium chloride, a precipitation…

A: 2 AgNO3 + CaCl2  → 2 AgCl + Ca(NO3)2  If solution contains 10 g CaCl2 we have to calculate how many…

Q: how to determine net charge of amino acid, given pH and pKa values?

A: The formula of getting net charge is positive charge - negative charge . If pH and pKa  values are…

Q: 1. A 23.1 mL sample of H2 gas was collected from an experiment at 1.079 atm and 22.9  °C. How many…

A: You have asked multiple type questions, we will solve only first  questions for you. If you want any…

Q: Determine the solubility product constant (Ksp) of borax, a slightly soluble sodium salt, in water…

A: Given: The equilibrium expression for the process is: Na2B4O5(OH)4  10H2O (s)  ⇌ 2 Na+ (aq) +…

Q: Phosphorus trichloride, PCl3, is produced from the reaction of white phosphorus, P4, and chlorine:…

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Q: What do you predict will occur when you mix salt water, NaCl(aq), with your biodiesel? The biodiesel…

A: Introduction to biodiesel- A type of diesel fuel called biodiesel is made of long-chain fatty acid…

Q: Complete the balanced chemical reaction for the following weak base with a strong acid. In this…

A: We have to write the balanced chemical reaction between a weak acid, methyl amine (CH3NH2) and a…

Q: To resolve an object in an electron microscope, the wavelength of the electrons must be close to the…

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Q: Choose an acceptable structure for RbCl(s). Assume that "radius ratio rules" are obeyed and that the…

A: Given :  Ionic radii of Rb+ = 148 pm  Ionic radii of Cl-  = 181 pm

Q: 2. For the reaction, K = 0.513 at 500. K. N₂O4 (9) 2 NO₂ (9) If a reaction vessel initially contains…

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Q: ОН AICI 3 0 -CI

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Q: [CH₂COOH]; 0.03 0.09 0.12 0.18 0.25 What is the average % ionization for the five % ionization…

A: According to the question we have, The concentration of the Acetic acid (CH3COOH) is given by…

Q: abel all peak and functional groups for Benzoic acid ATR-IR

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Q: 6. 7. 8. 9. HOOCCH₂C(OH)(COOH)CH₂COOH 10. H₂C H₂C CH₂ CH3 CH-C-CH3 CH3 CH CH3-CH-CH3 HC=CCH₂CH₂CNH2…

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Q: 5. What is the net production/usage of ATP and redox cofactors if a glycerol (triaceylglyceride…

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Q: Classify each compound as a primary, secondary, or tertiary amine.. 1. 2. 3. CH3CH₂CH₂CH₂NH2 4.…

A: The classification of amine is done on the basis of the number of alkyl groups attached to the…

Q: Phosphorus pentachloride decomposes at high temperatures. PC15 (g) ⇒ PC13 (g) + Cl₂ (g) An…

A: The equilibrium concentration can be calculated by applying ICE table on given reaction.

Q: P20.22 The total energy eigenvalues for the hydrogen atom are given by En = -e²/(8πɛªn²), n = 1, 2,…

A: When an operator operates on an eigen function, it produces a value known as an eigen value.

Q: In step 3 it says use that formula to find the concentration. Attached I have a table that shows…

A: Note the following in the given dilution formula and solve for M2. M1V1 =M2V2M1 = Concentration of…

Q: How many grams of each substance are required to make the indicated solution? NaCl in 1200 g of a…

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Q: Sulfuryl chloride, SO₂ Cl2, is a compound with very irritating vapors; it is used as a reagent in…

A: Given - SO2Cl2(g) <-> SO2(g) + Cl2(g).            Kc=0.045  temperature=375°C

Q: Circle each of the following that represent an acceptable set of quantum numbers for an electron in…

A: Here all quantum numbers are given, we have to find out all the possible quantum numbers. We will…

Q: • The work function energy for a particular metal is 2.80 eV (electron volts) per electron ejected.…

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Q: A protein binds to ligand with ΔG° = -18.3 kJ mol-1 at 37.0 °C. Calculate the Kd at 37 °C. Multiply…

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.