How many molecules of O₂ are produced when 40.3 g of KCIO, decomposes as shown in the reaction? 2 KCIO, - 2 KCl +30₂ number of molecules: molecules O₂

Q: Which element, sodium or magnesium, must have an electron affinity closer to zero? State your…

A: Which element, sodium or magnesium, must have an electron affinity closer to zero?

Q: Define the following terms: (i) Director (i) Order parameter

A: (1) Director – The director is also known as the directing group. A directing group is a molecule or…

Q: Three perfect gases, all at a temperature of 25°C, are placed into a box with sides of length 1m,…

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Q: Explain chemically nonequivevalent hydrogen.

A: Spectroscopy can be defined as the branch of chemistry that deals with emission and absorption of…

Q: Which of the elements goes into partial substitution solution with Ni?

A: Given

Q: A proton has a radius of approximately 1.0x10^-13 cm and a mass of 1.7x10^-24 g . (^) = to the power…

A: Density can be calculated using mass and volume of proton. Mass of proton is given . So to calculate…

Q: I. SPECTROSCOPY 1. a) Give the number of expected signals (ignore splittings) in the ¹H and 13C NMR…

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Q: A patient is to be given 4.6 mg of a heart medication in exactly 260 mL of D5W (dextrose solution)…

A: Volumetric measurements

Q: Suppose that in an alternate universe, the possible values of ll are the integer values from 0 to nn…

A: Givn in the alternate universe, the possible values of l are the integer values from 0 to n. We have…

Q: How many moles of He are 221,000 He atoms?

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Q: 1. Indicate the geometry of each carbon atom (i.e., linear, trigonal planar, tetrahedral) H :O: HH 1…

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Q: Q2. Using the constraint of Pv=nRT=constant which is applied for isothermal compression, discuss the…

A: Introduction PV = nRT is how the ideal gas equation is written. P stands for the ideal gas's…

Q: 6. Unknowns 1 and 2 exhibited two different shades when the Benedict's solution was added. What…

A: Benedict's solution :

Q: 5.EPS made from------ 1.polystyrene 2. monomer styrene 3. photolysis 6.Thermal insulation has…

A: Question 5: EPS stands for expanded polystyrene. It is a type of thermoplastic foam that is made up…

Q: What answer should be reported with the correct number of significant figures, for the following…

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Q: Using a single reagent, state how you would distinguish dilute solutions of HCl from dilute…

A: Qualitative analysis involve various chemical tests that are used to distinguish solutions of…

Q: 3) How many atoms are contained in 0.98 moles of iron (Fe)? 4) How many moles of cesium are in 66.45…

A: For question 3, we have to find the number of atoms in 0.98 moles of iron. For question 4, we have…

Q: An enzyme stock solution is 100 µg/µL. The stock solution is serially diluted 4 times by a dilution…

A: Dilution means addition of solvent to a solution in order to decrease its concentration. Dilution…

Q: A 20-mL vial of concentrated ammonium chloride solution containing 5 mEq/mL is diluted to 1 liter…

A: It is given that A 20-mL vial of concentrated ammonium chloride solution containing 5 mEq/mL is…

Q: what is the equations for dissociation and equilibrium equations of bromic acid, hypoiodous acid and…

A: Strong acid completely dissociate in to water and weak acid partially dissociate in to water.

Q: Shouldn't the water and sucrose produce dipole-dipole intermolecular forces? Based on our…

A: Both water and sucrose are polar covalent compounds capable of forming hydrogen bonding due to the…

Q: Determine the number of significant figures. 1. 3.4 / 0.025356 + 236.00 - 76.357  2. 5.6786 +…

A: Significant figures are the figures that are necessary to indicate quantity of something.

Q: c. The lead(II) oxide was weighed before and after the additions. d. 19 18 17 16 before 9 15 ii.…

A: c. From the balance diagram, it is clear that the mass of Lead(II) oxide that has been added to…

Q: Name the indicated substituents (circled in red): X

A: Substituent: It can be define as an atom or group of atoms substituting the hydrogen atom in an…

Q: Tag all the sp³ hybridized carbon atoms in this molecule. If there are none, please check the box…

A: SP3 hybridization arises by the mixing  of one 2s-orbital and three 2p-orbitals to form four hybrid…

Q: A solution was made by dissolving 60.7 g iron (III) nitrate (MM = 240.88 g/mol) into 107 g water (MM…

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Q: A titration experiment is set up where 87.97 mL of 0.8704 M hypochlorous acid, HClO, is titrated…

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Q: Question 1 a) Benzenecarboxylic acid, commonly known as benzoic acid, has a pK₁ of 4.20. Find the pH…

A: #(a):  pKa of benzoic acid(C6H5COOH) = 4.20  Ka = 10-pKa = 10-4.20 = 6.31*10-5   Initial…

Q: 1 о Draw the intermolecular forces that present between the molecules A and B. A В О CH3CHс-о- сн23…

A: The intermolecular force is a weak attraction force between the two or more molecule of a substance.…

Q: Gas Constant R of CO2 at 825K.

A: Gas constant is a universal constant and its value is fixed or same for all gases. It doesn't change…

Q: Isotopes (IMPORTANT NOTE: X= Symbol, A=mass number, Z = atomic number) Name Cobalt # of number…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first three parts…

Q: When 74.7 g of urea (CH₂N₂O). are dissolved in 900. g of a certain mystery liquid X, the freezing…

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Q: Why does the overflow of the scandium electrons go to 3d instead of another box in 4s? Why are there…

A: Why does the overflow of the scandium electrons go to 3d instead of another box in 4s? Why are there…

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Q: Chemistry final experimental rate constant: K=k'/({H+]^x [I-]^y) = 2.30 1.         A proposed…

A: Consecutive reactions comes under the category of complex reactions. Those reactions in which the…

Q: What is the pH) at 25° C of the solution obtained by dissolving a 5.00-grain tablet of aspirin…

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Q: Describe the meanings of acidosis and alkalosis. How do buffers function in this system?

A: To define acidosis,alkalosis and the function of buffer in this system is given.

Q: The Mole 1) How many zinc (Zn) atoms are contained in 5.16 moles of Zn? 2) How many moles of He are…

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Q: a) b) F Н. O 2 2 2 3 3 CH3 3 3 O CI configuration C2 configuration C3 2 3 configuration C2…

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Q: Plots A and B show enzyme kinetics data in the absence and presence of inhibitor. Which response…

A: A question based on kinetics of reactions in solution that is to be accomplished.

Q: -order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: -> In isoelectronic species if positive charge increases then size decreases. -> In…

Q: What is the expression 5.24 x 103 kg when written in standard decimal form? Question 5 options:…

A: The standard form of decimal numbers is  same as  of whole numbers, Any number written as a decimal…

Q: Consider the following endothermic reaction system at equilibrium: 2SO3(g) ₹ 25O₂(g) + O₂(g) Predict…

A: To study the affect of the changes on an equilibrium reaction, we would use Le-Chatelier's…

Q: (i) (ii) (iii) Construct a suitable plot and determine AH and A* S. Determine the Gibbs energy of…

A: b)  i) slope = - ∆H0 / R = - 12174 or - ∆H0 / 8.314 = - 12174 or ∆H0 = 101215 J / mole = 101.2 KJ /…

Q: MISSED THIS? Watch IWE 2.14; Read Section 2.9. You can click on the Review link to access the…

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Q: 1.) Selenium-80 is a naturally occurring isotope used in overthe-counter supplements. a. How many…

A: 1. Selenium-80 is a naturally occurring isotope .We have calculate - a. The number of protons are…

Q: For each organic compound in the table below, name the highlighted alkyl group. O || CH₂ - CH₂ I I…

A: The name of a alkyl group depends on the number of carbon atoms in the alkyl group. For the alkyl…

Q: H L 2 2 2 3 3 CH3 3 3 O CI 'H configuration C2 configuration C3 2 3 configuration C2 configuration…

A: We need to find the configuration at both carbon position and convert given flying wedge structure…

Q: Rank the resonance structures in each row of the table from major to minor. For example, in the…

A: In the first row  In first resonance structure has a positive charge on carbon  In second resonance…

Q: An fm radio station broadcasts at 70 megahertz. What is the energy of each photon in Joule?

A: According to plank law, energy of a photon having frequency v given by  E = hv Where h = plank's…