A first order reaction has a rate constant of 0.1546 min^-1. Calculate the half-life (in seconds) of this reaction. Report answer with one place past the decimal point.

Q: 9.) How many grams of H₂0 must be used to dissolve loog of sucrose (C₁2H₂2011) to prepare a 0.020…

A: Recall the data- Grams of sucrose=100 g molar mass of sucrose=342.3 gmol molar mass of water=18 gmol…

Q: 300 °C. Using the following information, determine the vapor pressure of water at H₂0 at T = 179.88…

A: vaporization of water.

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Q: Question 3. 6.8 mL of 2.5 M CH3COOH (acetic acid, commonly known as vinegar) was added to make a 3L…

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Q: Using Freundlich Relation. If 100 ml of 0.5 M HA (MM = 60 g) mixed with 0.9 g charcool after…

A: Freundluich equation is an empirical relationship between the quantity of a solute adsorbed onto the…

Q: 14. Indicate what type, or types, of reaction each of the following represents: (a) H₂O(g) + C(s)…

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Q: 6. AlCl3 reacts with K4[Fe(CN)6] to produce A14[Fe(CN)6]3 according to the equation 4 AlCl3 (aq) + 3…

A: Here we are required to find the limiting reagent for the given reaction.

Q: What is the pH of an CuCl2 solution? (Hint: Split the compound apart into separate ions, determine…

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Q: On a clear day, the temperature was measured to be 21°C and the ambient pressure is 761 mmHg. If the…

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Q: If 5.24 g of potassium chlorate is heated, what theoretical mass of oxygen gas should be produced?…

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Q: What part of the amino acid/protein reacts with the reagent of the following tests? Write the…

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Q: Use polarity and bond strength arguments to explain why HF is a stronger acid than H2O.

A: Answer:- The polarity of a covalent bond is defined by using the electronegativities of the bonded…

Q: Write and Balance: Hexane (C6H14) burns in oxygen (02) to form carbon dioxide (CO2) and water (H20)…

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Q: Explain the measuring implications of Heisenberg's uncertainty principle.

A: In the given question, it is asked to explain the measuring implications of Heisenberg's uncertainty…

Q: Following are the IR spectrum and mass spectrum of an unknown compound. Propose a structure for the…

A: A question based on IR spectroscopy of organic molecules that is to be accomplished.

Q: kg, 3% by masc 10.) What is the amount in grams of H₂0₂ needed to make a H₂02 solution?

A: We are asked the amount of H2O2 needed to make a 6kg, 3% by mass H2O2 solution.

Q: A 4.35 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: The heat released or absorbed (q) when the temperature of any substance is raised is calculated as:…

Q: Given 1.00 L of 1.50x10^-3 M HCN (HCN, Ka = 4.9 x 10^-10), find the following:  A. Equilibrium…

A: Answer:- This question involves the ionic equilibrium which exists between weak electrolytes which…

Q: The elementary reaction Hint 2H₂O(g) 2 H₂(g) + O₂(g) proceeds at a certain temperature until the…

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Q: (Write QUESTION 10 Determine the number of grams of B2H6 (molar mass 27.67 g/mol) that can be made…

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Q: After combustion analysis and mass spectrometry, the molecular formula of an unknown compound was…

A: In IR spectroscopy, each functional group has its own unique frequency range , so on that basis we…

Q: You are designing a process with acetonitrile as the solvent. The process conditions are T = 81 °C…

A: T= 81 °C = 354 K P = 560 mmHg Using the Antoine equation, determine if the acetonitrile will boil.

Q: Chemistry ANALYTICAL CHEMISTRY 1. For the acid in the graph, calculate the value of alpha, at pH…

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Q: pes of electromagnetic radiation are listed in the table energy per photon. For example, select "1"…

A: The electromagnetic spectrum is the range of frequencies of electromagnetic radiation and their…

Q: p by step Enter each formula below into Canvas in the correct format: a) CaCl₂: b) Na2SO4: c)…

A: (a). Calcium Chloride (CaCl2)

Q: Write the equilibrium expression for the following reactions: 1. 2NO(g) O2(g) ⇌ 2NO2(g) 2. H2(g)…

A: Recall the given reaction,1. 2 NO g  +  O2 g  ↔  2 NO2 g2. H2 g  +  FeO s  ↔  H2O l  +  Fe sWe…

Q: For the chemical reaction,   2NaOH+H2SO4⟶Na2SO4+2H2O2NaOH+H2SO4⟶Na2SO4+2H2O   what mass of…

A: The reaction is :  2 NaOH + H2SO4 ==> Na2SO4 + 2 H2O  Moles of water given = 4.87 mol  Molar mass…

Q: BALANCE REDOX REACTION (USE THE LONG METHOD WITH CHECKINGS) MnO2 + CrO3 → Mn + CrO4 - CONTENT SHOULD…

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Q: Fe(s) + O2(g)  Fe2O3(s) If 1.05 g of iron is heated and placed in a bottle containing 0.0219 mol of…

A: To calculate the mass of iron (III) oxide produced we would proceed as :  First write the balanced…

Q: 40.00 mL of 0.350M CH3NH2 is titrated with 0.280M HCl until the end point is  reached. Calculate…

A: Volume of CH3NH2 = 40.00mL  Molarity of CH3NH2  = 0.350M  Kb of CH3NH2 = 5.0×10-4  Molarity of HCl =…

Q: The imaginary element A has molar mass of 31.0 g/mol and the imaginary element X has molar mass of…

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Q: What is the pH of a solution with a hydrogen ion concentration of 0.001 mole per liter? Is this…

A: Given,  Number of moles of H+ ion = 0.001 mole  Volume in L = 1.0 L  # The given solution is acid or…

Q: 2. Consider a solution containing 400.0 grams of sucrose (table sugar, C₁2H₂011) and 20.0 grams of…

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Q: Draw the following compound using perspective view:…

A: Name of given compound is,…

Q: H3C-C=C-CH3 ^^C↔X ™ H₂C Alkynes are reduced to trans alkenes by a process called dissolving metal…

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Q: Determine the number of atoms contained in 6.8 moles of argon.

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Q: What if Br liquid is added? Will it have an effect on the shifting?

A: LeChatelier's principle: When the concentration of reactants is increased in a reversible…

Q: Write the balanced equation: The presence of bromide ions in waste water from black and white…

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Q: Electrons are _______ between atoms in ions, and electrons are _______ between atoms in molecules 

A: Electrons are transferred between atoms in ions electrons are shared between atoms in molecules.

Q: Use crucible tongs to hold a piece of copper wire over the hottest part of the flame (blue color).…

A: Chemical reaction is the process of chemical conversion of one substance into another. The substance…

Q: 4) A 0.750L aqueous solution contains gog of ethanol (C₂H5OH). Calculate the molar Concentration of…

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Q: 5) What volume in mL of a concentrated solution of NaOH (6.0M) must be diluted to 200 mL to make a…

A: Given, For Concentrated solution of NaOH Concentration of NaOH solution (M1) = 6.0 M Volume of NaOH…

Q: Macmillan Learning Write a balanced equation for the combination of potassium and chlorine to form…

A: Balanced chemical equation: balanced chemical equation is the reaction in which number of atoms of…

Q: Consider the reaction. 2 A(g) = B(g) Kp = 4.73 x 10-5 at 500 K If a sample of A(g) at 3.90 atm is…

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Q: BALANCE REDOX REACTION (USE THE LONG METHOD WITH CHECKINGS) Fe2+ + Cr → Fe + Cr³+ CONTENT SHOULD BE…

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Q: 6.) Calculate the concentration (N) of arsenic acid (H₂A504) in a solution if 25mL of that solution…

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Q: At a certain temperature, 0.980 mol SO3 is placed in a 3.50 L container. 6 2 SO₂(g) 2 SO₂(g) + O₂(g)…

A: Since, Equilibrium constant or Kc is the ratio of the equilibrium concentrations of product over…

Q: MnO₂ + CrO3¯¯ → Mn + CrO4¯ CONTENT SHOULD BE THESE OXIDIZED REDUCED BASIC SOLUTION CHECKING

A: This is a redox reaction where reduction and oxidation occur simultaneously.

Q: The following data are for the gas phase decomposition of dinitrogen pentoxide at 335 K. N₂O5(g) - 2…

A: 1. From the data given  0-sec  concentration = 0.199 M  after 122 sec, concentration = 0.199/2 =…

Q: 4.) Calculate the concentration (N) of arsenic acid (H₂A504) in a solution if 25mL of that solution…

A: Normality(N) is calculated by multiplying the molarity with the no. of equivalents. i.e.…