A volumetric flask that is to be used to measure volume is supposed to be marked at 10.00 ml but is actually marked at 9.95 ml. This error affects its precision. True or false? please explain

Q: 3. How many electrons are in the conjugated system on the molecules below:

A:

Q: 1 LOD TRANSMETTANCEI D 4000 Но 2 3000 3 2000 4 пр HAVENUMBRI- 600 5 100 6 H ОН 7 500

A: We need to find the molecules indicated by the given IR spectra. IR spectrum provides characteristic…

Q: Using the drawing space below, draw the mirror image of the following molecule: Br HO C Once you…

A: Given a chiral molecule

Q: Convert the following measurement. 8 7.72 × 10 mol 2 kg.m = 9₁ 7.72 × 10 1 mol 2 g.cm

A: Since, We know that, 1 Kg= 1000 g 1m = 100 cm then,

Q: 1) According to the following balanced reaction, how many moles of KO are required to exactly react…

A: This is simple question about the stoichiometric equation solution of reaction.

Q: Determine the number of molecules in 17.7 grams of NO₂.

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Also, Number of atoms…

Q: What is the expected product of the following bro- mination of benzeneselenol? Justify your answer…

A:

Q: When solid sodium chloride is cooled from 25°C to 0.°C, the entropy change is –4.4 J/mol. K. Is this…

A: Entropy is a measure of the degree of disorder or randomness in a system. It is a thermodynamic…

Q: 2kdoz 2kd +30₂ How m many moles of oxygen are produced when 6.74 moles of Koloz decompose completely…

A:

Q: 3. What is the hybridization of each carbon in CH=CCH₂CH=CH₂? Draw this organic compound and…

A:

Q: ii) 111) Provide mechanisms showing all intermediates, formal charges with arrows to show HIGE AICI3…

A: In this question, we will draw a complete Step-by-step reactions mechanism for the formation of the…

Q: sketch a tetragonal unit cell, and within that cell indicate locations of the 1/2 1 1/2 and 1/4 1/2…

A:

Q: 1. Explain the following using the principle of colligative properties. a. Antifreeze or coolant is…

A: Ans 1 The principles of colligative properties explain how antifreeze works by depressing the…

Q: Hydrogen gas and nitrogen gas react to form ammonia gas. What volume of ammonia would be produced by…

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is…

Q: 2) Consider the following reaction and the data below: 2NO+2H₂ → N₂ + 2H₂O [H₂], M 0.100 0.185 0.100…

A:

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: The rule in multiplication and division is that the answer should have the same number of…

Q: 2. The crystal violet reaction has the rate law: rate of reaction= k[CV+]m [OH-]". State how each…

A:

Q: a 176 g china serving bowl is warmed 58.3°C when it absorbs 2.0 kcal of heat from a serving of hot…

A:

Q: At equilibrium, the concentrations in this system were found to be [N2]=[O2]=0.200  and [NO]=0.500…

A: We have to calculate the concentration of NO, after re-establishment of equilibrium

Q: ox Ý of Spectrum 1: LOD TRANSMITTANCEI OH CHO a o NO₂ O₂N y CHO o COOH olo wwm NH₂ COOH

A: Given that, The IR spectrum of a compound, which is shown below The structures of the unknown…

Q: A sample of an industrial waste water is analyzed and found to contain 26.5 ppb Ti How many grams of…

A: Given Concentration of Ti+4 = 26.5 ppb Weight of waste water = 1.65E+3 kg

Q: Liquid octane (CH₂(CH₂) CH3) will react with gaseous oxygen (0₂) to produce gaseous carbon dioxide…

A: Given data :  mass of octane = 95.0 g  mass of oxygen = 163.0 g  molar mass of octane = 114.26 g/mol…

Q: n one trial of the standardization of a Na2S2O3 solution, a 10.00 mL volume of 5.00×10-3 M KIO3 is…

A: It is based on the concept of redox titration. Here we are required to find the molar concentration…

Q: How many mol of copper will be produced if 12mol of carbon react with excess copper (II) oxide ?

A:

Q: 1 LUU %: 8 TRANSMITTANCE О 4000 НО 2 9000 3 2000 NAVENUMBERI- 4 1500 5 6 1000 H OH три 7 500

A: Study the characteristic peaks of the IR spectrum. IR spectra typically display absorption peaks at…

Q: DETAILS A sample of SO3 decomposes according to the following equation: 2 SO3(g) = 2 SO₂(g) + 1…

A: According to the question, The reaction is given as, 2SO3g ⇋ 2SO2g + O2g The volume of vessel = 2…

Q: A. A main group element with the valence electron configuration 5s²5p4 is in periodic group It forms…

A: The given elements can donate or accept electrons to complete the octet. The number of electrons…

Q: An empty beaker weighs 31.9982g. A 10-ml pipet sample of an unknown liquid is transferred to the…

A: All we need to know is the mass of the liquid transferred from the pipet. after finding out the mass…

Q: Write the chemical equation for the dissolving of lithium sulfate and use it to determine the…

A:

Q: Identify the peaks of the 1D ¹H NMR and identify the amino acid at physiological pH. 10 Q K a.…

A:

Q: If you have 14.5g of copper (II) oxide that reacts with excess carbon, how many liters of carbon…

A:

Q: . Barium-contaminated soil can be remediated by immobilization of the barium as alforsite,…

A: A) To calculate the weight percent of alforsite in the soil sample, you need to find the mass of the…

Q: What volume of chloroform is needed to extract 99.5% of a solute from 200 mL of water, if the…

A:

Q: At a particular temperature, K = 4.9 x 10-7 for the following balanced reaction: 2NO2(g) → 2NO(g) +…

A:

Q: 8. Provide a mechanistic and resonance explanation as to why bromination (Br₂/FeBr3) of acetophenone…

A: Bromination reaction in aromatic ring is an example of aromatic electrophilic substitution reaction…

Q: Label the following structures as either aromatic or non-aromatic. Also provide clear explanation…

A: Aromatic compounds  Those compounds obey Huckel rule  Hückel's rule predicts that a planar ring…

Q: 5. Give the IUPAC name for each of these compounds (a) (CH₂)₂C=CHC(C₂H₂)=CH₂ (b)…

A:

Q: Complete the following for the compound ammonium sulfite. formula = (NH4)2SO3 atom nitrogen hydrogen…

A: It is based on the concept of molecular formula . Here we are required to find the number of atoms…

Q: :ci :CI Click and drag to start drawing a structure.

A: Resonance structures are a way to represent the delocalization of electrons in a molecule or ion.…

Q: How many moles of NaOH will be needed to neutralize 0.85 mol of H₂SO4? The following equation is…

A:

Q: For each bond, show the direction of polarity by placing a + sign next to the atom expected to have…

A: The covalent bond is formed by the sharing of electrons between the atoms.

Q: An aqueous solution of 0.125 m freezes at -0.261 deg C. À. What is the %ionization of the solute. B.…

A: Ans 1 for determine the % ionization of a solute in an aqueous solution, you need to know the…

Q: 2. Draw the following molecules and ions and identify if they have (a) a centre of inversion and (b)…

A:

Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

A: Answer :

Q: What quantity in moles of NaCl are in 61.7 grams of NaCl?

A:

Q: 3. One process for removing CO₂ from the atmosphere is to convert CO₂ to carbonate (CO3²) and then…

A:

Q: 9. Give the IUPAC name for each of these compounds Br re CI (b) cl cl (c)

A: for multiple subparts-" since you posted a question with multiple subparts, we will solve the first…

Q: Mass of benzyl alcohol: 0.4mL 1.04 g = 0.416 g CiH:CHOH 1mL Moles of nitric acid: Nitric acid 1.2mL…

A: The overall reaction taking place is- C6H5CH2OH+4HNO3→C6H5COOH + 4NO2+3H2O

Q: Calculate the calories lost when 85 gg of water cools from 45 ∘C∘C to 29 ∘C∘C. Calculate the joules…

A: Amount of heat,Q required to alter the temperature of a substance of mass ,m and specific heat…

Q: A. Why does acrylic acid polymerization under radical conditions work so well? Explain.  B. Predict…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…