Question 7 Consulting the material safety data sheet is an essential element of the anticipation principle and, therefore, should only be done when planning for an experiment. O True O False

Q: When the following reaction occurs, Amax of II is 235, while Amax of I is 275 nm. How do you call…

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Q: Which of the following is the basic unit of volume in the metric system?  Group of answer choices…

A: Basic unit of mass in the metric system is kilogram or grams.

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

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Q: Javier dissolves 0.250 mol of an iodo-carboxylic acid in enough water to make 0.500 L of solution.…

A: PH= 1.75 Volume= 0.5 L Moles of acid = 0.260 mol

Q: Answer the following question: Are the following solutions isotonic, hypotonic, or hypertonic…

A: Given  a) Distilled H₂O c) 0.9 % (m/v) Na CI b) 1% (m/v) glucose d) 15 % (m/v) glucose

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

A: To balance the given redox reaction, we need to check the oxidation state of atoms . From this we…

Q: The enthalpy of vaporization for methanol is 35.2 kJ/mol. Methanol has a vapor pressure of 101.3 kPa…

A: Given, Enthalpy of vaporization of methanol (∆Hvap) = 35.2 kJ /mol = 35.2 × 1000 J/mol = 35200 J/mol…

Q: Any anion which is the conjugate base of a weak acid is itself basic. O True False

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Q: The data below are for water (H₂O) Melting Boiling Heat of point Point Fusion Heat of Vaporization…

A: (a) To draw the heating curve for water from -20°C to 150°C, given the  ∆Hfus (water)= 334 J/g∆Hvap…

Q: What's the connection between nanometres and Angstroms?

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: How many grams of solid ammonium chloride, NH4Cl should be added to 1.50 L of a 0.0951 M ammonia NH3…

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Q: 3. I C E Set up [H₂S] = 1M, [CH4] =1.0M 2H₂S (g) + CH4(g) 5 [CS2]i = [H₂]i = 0 CS2(g) + 4H2(g) the…

A: 2H2S (g)    +    CH4(g)   ↔   CS2 (g)    +     4 H2 (g) Initial Conc. (I) 1 1 0 0 Change in…

Q: Please Answer Fast: Calculate the initial concentration of F e^ 3+ and SCN^ - , accounting for…

A: We need to determine the concentrations of Fe3+ and SCN- in the solutions A,B,C,D, and E.

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

A: The given redox reaction is Fe2+ + Cr →Fe + Cr3+. We have to balance the given redox reaction.…

Q: Bromine (Br₂) has a melting point of 266 K and a boiling point of 331 K. Which of the following…

A: Since  melting point is 266K means at 300k compound is in melted (liquid) state. So figure 1, 3 is…

Q: Consider the reaction below.  2.51 mol of A and 6.30 mol of B are added to a 2.0 L container.  At…

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Q: Drag the appropriate labels to their respective targets. Note: not all labels can be used. σC(sp²) -…

A: The covalent bond is formed by the overlap of the atomic orbitals between the atoms of similar…

Q: determine the mass of a nonvolatile nonionizing compound that must be added to 4.79kg of water to…

A: colligative properties : The  properties of solutions that depend on the ratio of the number of…

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

A: Redox reaction : A redox reaction are those chemical reaction where transfer of electrons are…

Q: 6. 0.75 moles of aluminum sulfate dissolve in 525.0 mL of water per the reaction: Al2(SO4)3 (s)→…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: In the reaction of Carbon monoxide (CO) with Iron Oxide (Fe2O3), Carbon Dioxide (CO₂) is produced…

A: Given - Moles of CO= 1.5 moles  Moles of iron oxide= 3.8 moles  Moles of Fe=? Left moles of…

Q: When measured in a 1-cm cell, an 8.50 x 10-5 M solution of species A exhibited absorbances of 0.129…

A: Use Beer’s law. A = ε*C*l where A is the absorbance of a solution having concentration C and…

Q: o For the cell shown, the measured cell potential, Ecell, is -0.3575 V at 25 °C. Pt(s) | H₂(g,0.793…

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Q: The gas phase decomposition of hydrogen iodide at 700 K HI(g) → H₂(g) + % 1₂ (9) is second order in…

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Q: 18.38 g of sodium sulfate dissolved in 1.2 L. Calculate molarity?

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Q: In valence bond theory every valence electron contributes to the strength of the bond.  Select one:…

A: Atoms consists of electrons, protons and neutrons. In an atom, there is nucleus at the center and…

Q: Optimum cell concertation is  very important for successful bone marrow culture.    A technologist…

A: Given that, Initial concentration of bone marrow (C1)=20*106cell/ml  Volume of this bone marrow was…

Q: In order to evaluate transport properties with ideal gases, one must specify these parameters…

A: Ideal gases are hypothetical gases, in which their molecule doesn't have any attraction or repulsion…

Q: 4. magnesium + silver acetate → Molecular Reaction: Oxidation half reaction:

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Q: Which of the five dyes tested in this experiment has the strongest ability to absorb light? How do…

A: Dyes absorb light due to their highly conjugated structure that includes aryl rings.…

Q: Solubility of Ionic Compounds Classify each of the compounds as soluble or not soluble: iron(II)…

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Q: rounded yold Calloway 5th The data below are for water (1₂0) Boiling Point Melting point Heat of…

A: Cooling curve is the plot of temperature versus time The independent variable which is the variable…

Q: each of the following reactions, identify the oxidizing agent and the reducing agent. Mg (s) + 2HCl…

A: A reducing agent is a substance which can be oxidized by loosing some of its electrons.   A…

Q: the Debye Hyckel equation may be used when the Tonic strength of the salution = 8.4

A: Given statements: a) The Debye Huckel equation may be used when the ionic strength of the solution…

Q: In a red colored solution containing a cobalt-containing chemical, how could you easily estimate the…

A: To only get a ease estimate. We simply compare with the cobalt solution with varying concentration.

Q: For the following reaction: B he rate of the reaction is 1.64x10-2 M/s when the [A] is 0.355M.…

A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical…

Q: Draw the major organic product for the reaction. (Include mechanism)

A: This reaction is an oxymercuration and demercuration reaction of an alkyne, in which we have to find…

Q: Classify each chemical compound: compound Mn(OH)₂ Se S₂ SnC1₂ type of compound O ionic O ionic O…

A: Here we have to check the type of bonding between them.

Q: Wing the chair templates, draw the two Chair han - H Unformations for the molecuk below. Label each…

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Q: A researcher has developed a new analytical method to determine the percent by mass on in solids. To…

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Q: BALANCE REDOX REACTION (USE THE LONG METHOD WITH CHECKINGS) SO2 + O2 → SO3

A: Given- SO2 +O2 →SO3  balanced the redox reaction =?

Q: 11.) A 10% solution of ammonia has a density of 0.960 g/mL. What is the molarity of this solution?…

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Q: The rate law for the reaction: NH4+ + NO₂ N₂ + 2H₂O is rate =k[NH4+][NO₂7 It is found that the rate…

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Q: The unbalanced reaction for the combustion of pentane (C5H₁2) is: C5H12 + O2 CO₂ + H₂O If the molar…

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

A: A balanced equation is one in which the number of each type of atom is the same on both the reactant…

Q: Macmillan Learning In a particular redox reaction, NO is oxidized to NO and Cu²+ is reduced to Cut.…

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Q: For the following reaction, 3.27 grams of iron(II) chloride are mixed with excess silver nitrate.…

A: The balanced chemical reaction is,  FeCl2(aq) + 2AgNO3(aq) -------> Fe(NO3)2 (aq) + 2AgCl (s)…

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

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

Q: 2. What is the density of the solid object that is weighed and submerged in water? 8.24 g 18.5 mL…

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Q: 1% 77- 701 60 50 40 30 20 10 -04 4000 3306.430m-1 3500 2020.44cm-1 3000 2556.70cm-1 2500 cm-1…

A: IR spectra provides the information of possible functional groups of unknown compound based on their…