will UPVOTE Kindly answer the question. - Why is it important that the chromatography paper not touch the sides of the beaker?

Q: Calorimetry & Specific Heat Guide Questions: 1. Why is it required to tap the hot metal with a…

A: Calorimetry is the technique of measuring the energy changes of the system in contact with the…

Q: One carrot may contain 0.75 mg of vitamin A (C20H30O). How many moles of vitamin A is this?  How…

A: We would use relation between mass ,moles , molar mass to calculate the values.

Q: Why is Tyndall effect shown by colloidal particles? State four instances of observing the Tyndall…

A: There are three types of  particles: True particles, Colloidal particles, Suspension. Suspension is…

Q: uestion 4 (2 points) Listen For the formation of one mole nitrosyl chloride, the heat of reaction is…

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Q: 39.1.2 A certain volume of 7.0 M HCl was mixed with 500 mL of 4.45 M HCl to achieve 5.65 M HCl…

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Q: describes, explains, or predicts reality (i.e., which model is closer to the consensus model that we…

A: In this question, we need to discuss about daltons atom model and thomsons atom model.

Q: What is the IUPAC name for the compound shown? CH3 CH3 CH (Br) CH2 CH3

A: The naming of an organic compound can be done with help of rules of international union of pure and…

Q: . A Malate buffer solution (pKa₁ = 3.51 and pKa2 = 5.03) contains 480.00 mM Malic acid and 640.00 mM…

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Q: Which one is the cis Alkene in pair a) and b) ?

A: Isomers which have the same molecular formula with different structure and event of atoms…

Q: d. By what factor does the reaction rate change if [B] is doubled (and the other reactant…

A: First we would write a reaction and rate law for that reaction using the given observation.  Then we…

Q: Two students measure the vapor pressure of the same unknown organic liquid and compare results. The…

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Q: he industrial preparation of methane: CO(g) + 3 H2(g) CH4(g) + H₂O(g. ming equilibrium, what will…

A: Le chatelier principle says that equilibrium will shift in such a way so as to the undo the effect…

Q: CP Solution A Solution B. Solution C PH (2 points each) 6.88 4 10.89 pOH (2 points each) 1 5 3.11…

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Q: Draw and name a structure using IUPAC rules that includes both an alkene and alkyne and at least one…

A: IUPAC rules for naming an organic compound:  1. The longest continuous possible chain can be…

Q: Why is Tyndall effect shown by colloidal particles? State four instances of observing the Tyndall…

A: Tyndall effect:- Scattering of light by small particles is known as Tyndall effect. •As particles…

Q: Elemental phosphorus occurs as tetratomic molecules, P4. What mass of chlorine gas is needed to…

A: Given that  Elemental phosphorus occurs as tetratomic molecules, P4 The mass of chlorine gas is…

Q: How do you draw this structure's conjugate base?

A: Conjugate base is formed  when the compound acts as an acid and lose H+ ion . When compound acts as…

Q: Assume you are carrying out the conversion of 1-bromobutane to 1- butanol. How could you use Mass…

A: Mass spectroscopy is used to determine molecular formula and possible structural fragments of…

Q: 2. The hydrolysis of sucrose (C12H22011) into glucose and fructose in acidic water has a rate…

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Q: how will you aspirate 3mL distilled water using a 5 mL "to blow out pipette"?

A: A question based on general chemistry that is to be accomplished.

Q: Identify the most acidic carboxylic acid. O CH3COOH CICH₂COOH O ICH₂COOH O FCH₂COOH O BrCH₂COOH

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Q: 1) Calculate the pH of a solution prepared by dissolving 1.45 g of sodium acetate, CH3COONa, in 88.5…

A: A question based on equilibrium concept that is to be accomplished.

Q: 1. Calculate the heat of combustion of propanol (C3H8 O) and the percent error in the following…

A: mass of water = density * volume = 1.00 g/ml = 100.0 ml = 100.0g  specific heat of water = 4.184 J/g…

Q: Convert 235.0 g to kg. Round to 3 decimal places.

A: Kg and g are the unit of mass and kg can be converted into g by using the conversion, 1kg=1000g

Q: A student obtained the following data for the decomposition of hydrogen iodide on a gold surface at…

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Q: Enough of a monoprotic weak acid is dissolved in water to produce a 0.01 10 M solution. The pH of…

A: Let HA is the monoprotic acid dissolved in water. The molarity of the solution is 0.0110 M  pH is…

Q: Which of the following statements about the Bradford Assay is false? O The standard curve generated…

A: Answer: the dye binds with acidic and aromatic amino acids. Explanation: dye binds with basic and…

Q: In this part of the copper experiment, you will use a special funnel to separate the copper oxide…

A: This is use in Gravimetric analysis  in inorganic labs

Q: 3. Both methylcycloheptane and ethylcyclohexane have the same molecular mass. Explain how is it…

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Q: 1. Diego is saving turtles from a plastic net and must swim de 1.40 ater. How many liters of water…

A: Given: No. of molecules of water Diego must swim = 1.403x 1034

Q: Protein A Hydration layer H₂N- C=O---H-N -C-CH3 H₂ -CH₂ CH3 H₂C-C- H -C-CH₂ H₂ H₂C-C- H₂ CN-H--O C…

A: Protein: Building block of proteins is an amino acid. The amino acids make a polypeptide chain…

Q: SO₂Cl₂(g) SO₂(g) + Cl₂(g) [SO₂Cl₂], M 4.43x10-³ time, min 0 2.22x10-3 186.00 1.11×10-3 372.00…

A: Using the given table we have to find half life and the order of reaction

Q: 4. For each acid-base reaction below Label the acid and base i. ii. iii. iv. V. Draw the arrows that…

A: Here we have to predict conjugate acid and conjugate base and direction of acid - base reaction  at…

Q: What are the complete ground state electron configurations and noble gas notations for the following…

A: 1.Ground state electronic configuration  represent electronic configuration of elements in normal…

Q: CALORIMETRY AND SPECIFIC HEAT Data, results, and calculations: Complete the table below, assume that…

A: The heat capacity (C) of an object is the amount of energy needed to raise its temperature by 1°C.…

Q: Assume that ander waal's "B" parameter can be ignored 1) Derive an equation for the work done in an…

A: Isothermal process is a thermodynamic process wherein the temperature of the system remains…

Q: Calculate the volume of 5.0 M NaH to prepare 250 mL of 0.10 M NaOH

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: On this page just do number 12

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Q: How do the following factors affect the antiseptic activity of alcohols: concentration, structure…

A: The following factors affect the antiseptic activity of alcohols  a-concentration b-structure…

Q: 5.2 A batch of poly(butylene terephthalate), PBT, is made by reacting butylene glycol (also known as…

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Q: The concentration of green dye in green apple Gatorade was determined in a manner identical to…

A: The Beer-Lambert law states that there is a linear relationship between the concentration and the…

Q: Name the functional group shown in each molecule below. The first answer has been filled in for y…

A: we he to identify the functional group in the given molecules

Q: The intensity of red light (680 nm) and sorted by a solution of green dye was found to be 1.99 V and…

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Q: What is the mass of glucose present? How many moles of glucose are there (three significant…

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Q: What are all the possible resonance structures (contributors) for the compound below? Please draw…

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Q: write the acid-base reactions for benzoic acid and p-bromoaniline showing the neutral and charged…

A: Salt fromation will take place which is neutral in nature .

Q: 15.0 g of nitrogen monoxide  n(nitrogen monoxide) = __ mol

A: Mole concept.

Q: Make 3 serial dilutions, each generating 400 mL of a 1-in-4 dilution of a 3M stock solution

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Q: A buffer solution contains a weak acid, HA, and its conjugate base, A. The buffer solution has a pH…

A: Given: The pH of the buffer solution of the weak acid, HA = 5.56 The pKa of HA = 5.00 We have to…

Q: ¹CI₁ ¹CI₁

A: The given organic structure is