In general, to calculate the rate constant for a first order decomposition reaction, A products, given the time needed to decrease the initial concentration by one half, which equation should be used? Rate k[A] %3D O [A) t= -kt + [A]. Ot 1/2 = In2/k Ot 1/2 = 1/(k[A]) %3D O 1/[A] t = kt + 1/[A]o

Q: A piece of aluminum with a mass of 23.5 grams at a temperature of 0.0°C is dropped into an insulated...

A: Mass of Aluminium = 23.5 Final temperature = 87.2°C

Q: At 20 "C, an aqueous solution that is 18.0% ammonium chloride by mass has a density of 1.0512 giml. ...

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Q: Aspirin is: a. Antacid. b. Narcotic. C. Antiseptic. d. Analgesic. A renewable feedstock is: 2 a. Coa...

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Q: I just bought half a kg of NaCl. How many moles did I purchase?

A: Given: Mass of NaCl = 0.5 Kg = 500 g.                                        (since 1 Kg = 1000 g)  

Q: process and the concept of thermodynamics in the following photo of the refrigerator.

A: concept of thermodynamics in refrigerators, air conditioners and  heat pumps. the concept involved i...

Q: Give these molecular weights of only nonpolar and non-ionic molecules consisting of only hydrogen an...

A: Given: molecular weights of nonpolar and non-ionic molecules.  

Q: A certain amount of benzene C&H (D= 0.985 g/mL) was dissolved in 0.500 kg CCI4 to produce a solution...

A: Given: Mass of solvent i.e. CCl4 = 0.500 Kg = 500 g. Mole % of solvent i.e. CCl4 = 37.0 % Density of...

Q: The PHIVOLCS recently reported that Taal volcano emitted 15,500 tons of Sulfur Dioxide (SO2). How ma...

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Q: Ammonia, NH3, Is toxic to a wide range of aquatic organisms including shails, insects, and fish. The...

A: molarity and pH `

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A: The cracking process of hydrocarbons involves thermal decomposition. In this process, the long-chain...

Q: Based on the results obtained in the following table, which indicator has approximately a pka of 4? ...

A: The indicators are chemical compounds that show changes in color at a definite change in pH. Hence w...

Q: A student runs the reaction represented by the equation below. What mass of H2 gas would be produced...

A: Zinc reacts with hydrogen chloride to form zinc chloride. The equation for the balanced chemical rea...

Q: C;H;CIO, 0.93 12.5 12.0 Aall. 0.95 2.97 5.0 4.5 4.0 3.5 3.0 (а)

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Q: Refer to the phase diagram below when answering the questions on this worksheet. Begin by adding S, ...

A: The phase diagram given is,  

Q: Green cube: mass = 37.3g, s=2.20cm How much water would your object displace ml. Will your object si...

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Q: ccording to the equation below, what is the limiting reactant if you combine 2 moles of N2 with 3 mo...

A: Given : We have to find out the limiting reagent.

Q: 1. Identify the following as acidic or basic, and write the corresponding Ka or Kb reactions and exp...

A: Acid is a substance which release H+ ions and base is substance which release OH- ions

Q: Enter your answer in the provided box. A sample of 8.61 g of naphthalene (C1,Hg) is dissolved in 75....

A:

Q: 15) S00 miles ta kilameter Imile=L6a34 Km 500Miles I.Ga934Xgou B04.672km 16.)7.90table spoek Itable ...

A: 15) Given: Value in miles = 500 miles.  

Q: alance the following chemical equation: __NH3 + __O2  = __NO + __H2O

A: Given : We have to balance the given reaction.

Q: Which of the following molecules can initiate ion-dipole interactions with water? :N=N-N H. :N-F: :N...

A: Ion-dipole interaction occurs when an ion encounters a polar molecule. A cation or positive ion woul...

Q: Assign a structure to each of the spectra shown. Choose from the following five-carbon alcoho

A: The answer is as follows:  

Q: It takes a minute and a half for the concentration of oxygen to decrease from 4.2 x102 M to 2.4 x103...

A: Given : We have to tell the rate of disappearance of O2

Q: Consider a protein-ligand binding reaction in which the equilibrium concentration of protein-ligand ...

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Q: What is the pH of a 500 mL buffer containing 0.200 moles NH3 and 0.350 moles NH4CI? Kb = 1.8 x 10-5 ...

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The buffe...

Q: 8. NH,OH Geometry:

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Q: The following is an electron configuration for one of the elements on the periodic table: 1s²2s²2p⁶3...

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Q: Which one of the following is the least toxic substance a. C6H6 b. HCN c. CO2 d. CO

A: Given : We have to tell which among the following is least toxic.

Q: NO: OCH, 6.37 5.93 8.2 7.5 H. 4.65 6.8 7.7

A: All are cyclic compounds. We have to give reasons for the chemical shift values. Shielding occurs wh...

Q: Scaling X workshe X 4Conform X EWriting X t Data fo Question 6 of 13 Consider the following reaction...

A: This can be solved as

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Q: For the reaction: A2 (aq) + B2 (aq) → 2 AB (aq) The three plots below were created using the data ob...

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Q: Problem 2 If 200g of Polymer A, 300 g of polymer B, 500 g polymer C, and 100 g D are mixed, calculat...

A: Soln

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Q: For the following compounds, what is the charge of the transition metal? AgNO3 TiO2 Iron (II) Per...

A: The charge on the transition metal can be calculated as shown below

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Q: Arrange the following in order of increasing boiling point? Liquid A (vapor pressure at 25°C) = 23.8...

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Q: oxygen, O2, via the following process:   2O3(g) → 3O2(g)   The rate law for the decomposition of ozo...

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Q: In your opinion how many peaks will appear in the 1H NMR spectrum of the compound below. What signal...

A: Proton NMR spectroscopy is an analytical technique which is used for structural elucidation of a com...

Q: 1. Develop a detailed separation scheme for the separation and determination of the percent composit...

A: A mixture is a combination of two or more individual substances that may have uniform composition or...

Q: wavelength

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Q: On acidity and basicity of aqueous solutions, the following relationships are valid, except [H+][-OH...

A: Given : We have to tell the incorrect statement.

Q: In 2021, 7.5 x 1014 mol = 750,000,000,000,000 mol of CO2 into the atmosphere worldwide. At standard ...

A: Given: Pressure = 1 atm. Temperature = 273.15 K And moles of CO2 = 7.5 × 1014 mol.  

Q: 1. For the reaction below, determine the equilibrium concentration of all species. Kc=1x1020, [A]ini...

A: Given,  Kc = 1x1020  [A]initial = 0.4  [B]initial = 0.6

Q: grams

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Q: In the phase diagram below 1 atm Phase II. Phaco I: ....* .. Phase II .... ...* .... ... .... ... O ...

A: Phase diagram: The phase diagram represents the different phases of the substance and the pressure a...

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Q: Which of the following substances contain the greatest amount of empty space between their constitue...

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Q: The proton resonance of the OH group is found at δ 5.80 for phenol and at δ 10.67 for 2- nitrophenol...

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Q: Analysis methods of food colorants should not be: a. Simple and easy 1 b. Rapid, of short time c. Qu...

A: