Write a summary of chromium in three sections (environmental occurrence, industrial production and use, potential for human exposure, toxicity and carcinogenic mechanisms).

Q: The energy released by the nuclear bomb that destroyed Hiroshima was equivalent to 12.4 kilotons of…

A: Given,  The nuclear bombs released energy = 12.4 kilotons of TNT = 1.44 × 1014 J.  The mass of…

Q: The interhalogen species iodine trichloride (IC13) may be synthesised according to the following…

A: In order to solve part-(c), we need the answer to part-(a). So let's start from part-(a).  #(a): The…

Q: 1) NaOEt/EtOH/25°C 2) Br A H+/H₂O B OH/H₂O

A: Here we are required to draw the mechanism for the reaction .

Q: C OD. O B. OC. CH3 A Br CH₂ B AC... CH3 CH₂ Br H3C Br C CH₂ معاكم

A: For the most stable conformation, bulky group (Br) should be placed at equitorial position and…

Q: 5. Radicals a) Fill in the blanks with the correct terms from the word bank below: endothermic…

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Q: 8. Use the VSEPR theory to predict the geometry of the following polyatomic ions, then draw their…

A: The geometry of the above compounds according to VSEPR theory is given below

Q: In a displacement reaction, we a cation (either H" or a metal cation) with an elemental metal…

A: Metathesis reactions is another name for the double-displacement reaction. The displacement reaction…

Q: Classify each orbital diagram for ground-state electron configurations by the rule or principle it…

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Q: 1. Reactions: Draw the major organic product for the following reactions. When required, indicate…

A: Dear student , since the given question is a multipart questions,so I solved first three…

Q: How many distinct and unique isomers (excluding stereoisomers) can be drawn for…

A: The given coordination complex is Co(en)(H2O)(NO2)(F2).

Q: H₂N A) KI ITS O B) i) NaNO2, HCl ii) KI C) i) NaNO₂ HCl, ii) 12 D) 1₂

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Q: Which of the following is TRUE regarding Zn(NH3)4²+? O a. Zn(NH3)4²+ is colorless due to the filled…

A: According to the crystal field theory, in the presence of the tetrahedral ligand field, the five…

Q: Activity 5.2 Directions: Balance the following chemical equations. Unbalanced Chemical Equation H₂ +…

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Q: V3+ √³+ (aq) (aq) + V2+ A student wanted to observe the reaction of Fe²+ Fe3+ (aq) using an…

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Q: Given the enthalpy of formation data in the table below, what is the enthalpy of reaction for the…

A: Given : enthalpy of formation

Q: Calculate the mass in grams for 5.42 x 1022 molecules of propane gas (C3H8) at STP. (Given that…

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Q: If 110.0 mL of 0.0030 MNa2SO4(aq) is saturated with CaSO4, how many grams of CaSO4 would be present…

A: Given: Concentration of Na2SO4 = 0.003 M And volume of solution = 110.0 mL = 0.110 L…

Q: An electrochemical cell has copper oxidizing on one half-cell and lead reducing on the other. How…

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Q: The freezing point of a solution containing 65g of a compound in 100g benzene is 3.8 °C. What is the…

A: ★ Molar mass of the compound : 1873.73 g/mol ★ Solution :

Q: 2. For Trial 1, how many grams of AgNO3 must be added to the solution to completely react with NaCl?

A: No of moles of chloride ion = Moles of NaCl Also, 1 mol NaCl reacts with 1 mol of AgNO3. And, No of…

Q: Answer the following questions and show your work. 1. In an equilibrium process, C2H4 is reacted…

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Q: When a critical mass of plutonium-237 is bombarded with a neutron, it forms barium-145, releases…

A: When a critical mass of plutonium-237 is bombarded with a neutron, it forms barium-145, releases…

Q: Direction: Write the oxidation half-reaction and reduction half-reaction, and shorthand…

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Q: What product is formed when 234U undergoes 5 alpha emissions and 2 beta emissions in a total of…

A: During nuclear reaction sum of mass number and sum of atomic numbers is equal on reactant side and…

Q: Draw the Haber cycle of water gas formation.

A: We have to draw the Haber cycle of water gas formation.

Q: Complete the balanced dissociation equation for the compound below in aqueous solution. If the…

A: Ionic compounds dissociates in aqueous solution into their constituent ions.

Q: Identify the reactions needed to prepare A) (1) Acetyl chloride, (2) LIAIH4, (3) Benzyl bromide B)…

A: N-benzyl-N-methylbutylamine from 1-aminobutane can be synthesized by using = B) (1)…

Q: The structure of an ester could either be A or B: CH3 O O CH3 T || -C-OCH3 CH3-C CH3-C-0-C-CH3 CH3…

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Q: Calculate the specific heat of a substance if 420 calories is needed to raise the temperature of…

A: Given,   specific heat capacity of a substance (s) = ? Amount of heat needed (Q) = 420 cal Mass of a…

Q: Carboxylic Acid Draw the condensed formula of the following compounds: 4.…

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Q: Use the following equations to answer this question: A 12 +2e- →21 B SO4²- + H+ + e- H₂SO3 + H₂O C…

A: When potassium iodide is mixed with chlorine water then a redox reaction takes place because…

Q: Which of the following does have the lowest ionization energy? Z of Mg =12,  Ca= 20,  Sr =38,  Ba =…

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Q: Give at least three (3) specific reactions (i.e. with organic reactant/s and products and chemical…

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Q: How many lone pair of electrons are on Cl in HCSCl?  Z of S = 16,   Cl = 17  , C =6, H =1

A: When we draw the lewis structure of HCSCl,  H is attached as side atom. Now the atom which is less…

Q: A potential strategy for the synthesis of livermorium-293 Z = 116 involves bombarding hassium-277 Z…

A: A nuclear reaction can be balanced by the summation of mass number and atomic number. The atomic…

Q: For each set of elements represented in this periodic table outline, identify the principal quantum…

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Q: Arrange the following atoms in order from smallest to largest radius. Mg N Cs F Ca P

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Q: Determine the correct species considering the following dissociation process: HNO3 (aq) + H2O (l)…

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Q: Starting from the structure below (sighting down the indicated bond). rotate the back carbon to…

A: In this question, we will draw the Newman projection conformation in the eclipsed form. Eclipsed…

Q: Draw the chair flip of the following conformation. Select to Draw Chair Flip Q I 1 I I

A: In this question, we will draw the chair flip conformation for cyclohexane ring.  You can see the…

Q: Write the complete stepwise mechanism for the reaction below: (Non-anonymous question Ⓒ) OH HC1 OCH3…

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Q: Give the common name and IUPAC name: C₂H5CH(C₂H5)C-O-C-C3H7 7. iso C | 8. C-C-CO-O-CO-C-C 9.…

A: (7) This compound has ether functional group, one group of isohexyl and another of butyl, then…

Q: 4) Identify the most important types of intermolecular forces present in the solids of each of the…

A: Ar is a noble gas and has induced dipole-induced dipole forces as these forces arise due to the…

Q: a) 1.488×10-4 mol of an unidentified gaseous substance effuses through a tiny hole in 81.2 s. Under…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Through titration with a known standard, we counted that an unknown solution contains 0.048 moles of…

A: Given,  Moles of acetic acid = 0.048 mol.  The original volume of acetic acid = 120.0 mL.  The…

Q: Provide IUPAC names for the following structures. H₂C Br CH3 a. Br Br H₂C b. Br Br

A: The IUPAC name of the given structures are:

Q: Q. How many different C environment for molecule shown?

A: For different  environment carbon connectivity sho

Q: draw final product after the correct sequnce of reagets

A: see below

Q: HCI нун за

A:

Q: 18) What is the (s, 1, g) of a substance at 0.75atm and 800°C? 19) What is the condition of the…

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Group 13 Elements

In the periodic table, group 13 elements exist in the first p-block. There are six elements present in group 13, which include boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and element 113 (ununtrium, (Uut)). Group 13 elements are also designated as the boron family.