What is the first element in the periodic table

Q: A student obtained the following data for the decomposition of hydrogen iodide on a gold surface at…

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Q: STRUCTURE AND BONDING Identifying skeletal resonance structures X O d O yes no yes no Oyes no yes no

A: resonance involve the movement of electron through pi orbital electron. They determine the…

Q: Which of the following statements about the Bradford Assay is false? O The standard curve generated…

A: Answer: the dye binds with acidic and aromatic amino acids. Explanation: dye binds with basic and…

Q: IX. a. b. Draw all possible resonance structures for the species below. Show the movement of…

A: Resonance structure: If the Lewis structure of a molecule or ion cannot explain by a single…

Q: 1. Calculate the heat of combustion of propanol (C3H8 O) and the percent error in the following…

A: mass of water = density * volume = 1.00 g/ml = 100.0 ml = 100.0g  specific heat of water = 4.184 J/g…

Q: Gaseous IBr is placed in a closed container at 1815 oC, where it partially decomposes to I2 and Br2:…

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Q: A Newman projection of a disubstituted cyclohexane is shown below. Identify the relationship of the…

A: Given Newman projection of substituted cyclohexane:

Q: For the compound pairs in a) and b) which is the trans alkene

A: Since, For cis/trans and E/Z --- If most prior group same side then Z and if most prior group…

Q: The decomposition of ozone has been proposed to occur by the mechanism 9 0 +0, 0₂-0 fast equilibrium…

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Q: Make 3 serial dilutions, each generating 400 mL of a 1-in-4 dilution of a 3M stock solution

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Q: Use the integrated rate law to calculate time elapsed. The decomposition of nitramide in aqueous…

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Q: The general values for steric and torsional strain are provided. Use these values to calculate the…

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Q: Name the functional group shown in the picture below: H₂N a b b d: HN NH a NH₂ NH OH C

A: Organic molecule has some group that are more responsible for the chemical reaction. The group is…

Q: Explain the difference between a pure chemistry and an applied chemistry.

A: Chemistry can be defined as branch of science  that deals with chemical composition of…

Q: Which of these is irreversible and why? Match the items in the left column to the appropriate blanks…

A: The concept used in this question is from General chemistry. The detailed solution is explained…

Q: SO₂Cl₂(g) SO₂(g) + Cl₂(g) [SO₂Cl₂], M 4.43x10-³ time, min 0 2.22x10-3 186.00 1.11×10-3 372.00…

A: Using the given table we have to find half life and the order of reaction

Q: Clearly draw all lone pairs of electrons onto the following Molecule HOH H₂N NHO

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Q: A B D на ААА 300 nm

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Q: Based on activation energies and energy changes and assuming that all collision factors are the…

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Q: 2. Either a dash wedge diagram or Newman projection is shown below. Fill in the remaining…

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Q: Hydrogen peroxide . H_{2}*O_{2} is a colorless liquid . A concentrated solution of it is used as a…

A: Given the number of  moles of H2O2 is 0.91 moles. We have to calculate the mass of H2O2

Q: Draw a molecular-level picture to show what happens as two Neon atoms approach each other and use it…

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Q: how will you aspirate 3mL distilled water using a 5 mL "to blow out pipette"?

A: A question based on general chemistry that is to be accomplished.

Q: 2.12 Identify the Lewis acid and base in the reaction below and draw a curved arrow mechanism for…

A: 2.12 We have to identify the Lewis acid and Lewis base in the given reaction. Also, we have to give…

Q: 8. For the retrosynthetic analysis shown, provide the reagents needed (A-F CH₂ AV LOTS TM ACHIE F B…

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Q: The major product of the following reaction would be: mic C₂Hs OH CH₂SO₂CI base Product CH,CO

A: In the first step -OH group is converted to -OSO2CH3 and in the second step Sn2 reaction occurs.…

Q: C. Formation of a solid 1. Potassium iodate and silver nitrate i a. Balance the reaction: 1 KIOS…

A: Here we are required to state the observation when potassium iodate and silver nitrate react.

Q: Why is phthalic acid soluble in water and what type of IMFs are involved in the solubility of it in…

A: Pthalic acid is soluble in water due to the hydrogen bonding of carboxylic acid with H2O molecules.

Q: will UPVOTE Kindly answer the question. - Why is it important that the chromatography paper not…

A: Chromatography is a process for the separation of a mixture into its components. The mixture is…

Q: Which of the following is the correct representation of partial charges at the indicated atoms? a.…

A: we have to determine the partial charges on the indicated atoms I, II and III

Q: A student properly sets up a column chromatography experiment. Although the mixture is soluble in…

A: Column Chromatography is used to separate a mixture of compounds into its pure components. The basis…

Q: What was the evidence Thomson found in order to support the discovery of the electron?

A: The findings of Thomson in order to support the discovery of the electron.

Q: Which of the following descriptions of a sigma bond (according to valence bond theory) is NOT…

A: Sigma bond:- It is formed when two adjacent hybrid orbitals do a head-on overlapping. There can be…

Q: Write the symbol for an atom/ion with the following information  the ion with a 3+ charge, 28…

A: An ion has 3+ charge with 28 electrons and 40 neutrons .We have to find out the symbol for an…

Q: 6.8 g H2O Express your answer in molecules to two sinificant figures

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Q: What is the pKa of: -Ha -Hb -Hc -Hd   The numbers listed are the possible pKa, its ok to use the…

A: More the acidity less will be the PKa value and hence more easily the H+ will dissociate .

Q: What is the expected hybridization of the central atom in a molecule of Til4. This molecule is…

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Q: Calculate the enthalpy change for the reaction. P4O6(a) +202(g) → P4010(*) given the following…

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Q: Indicate whether the following double bond is in E or Z configuration and which is the highest…

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Q: Are the following quantum numbers allowed yes or no? If not, change the value of only one of the…

A: n=3, l=0, ml=0, ms=1 No, this set is not allowed as ms cannot be 1.  To make the set allowed make ms…

Q: 10.3 For a linear molecule of polyethylene of molar mass 119,980 g mol-¹, calculate: (a) the contour…

A: ASSUMPTIONS:-In the calculations, end groups can be neglected and it may be assumed that the C-C…

Q: Part II. Preparation of 50 mL 0.5% NaCl solution Materials: NaCl, weighting boat, spatula, balance,…

A: Given that, You have posted multiple questions, according to guidelines I am solving first one.If…

Q: The following reaction has an equilibrium constant, Kc equal to 3.59 at 900 °C. CH4(g) + 2H₂S(g) —…

A: By calculating reaction quotient and comparing with equilibrium constant we can figure out in which…

Q: Why is Tyndall effect shown by colloidal particles? State four instances of observing the Tyndall…

A: Given Phenomenon: Tyndall effect 1- We have to write what is Tyndall effect and why it is happening.…

Q: 2) explain ionization according to kinetic molecular theory.

A: According to kinetic molecular theory. 1. Gases moves in zig-zag motion. 2. The kinetic energy of…

Q: Molecule NH3 H₂S CC14 NI3 CS₂ OF 2 SO₂ Part II Answer Table and Questions Name of Molecular Shape…

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Q: Which of the molecules, C02, NH3, and BCl3 will be polar?

A: we have to select the polar molecule out of CO2, NH3, and BCl3

Q: 2.5. Calculate the lattice energy of the ionic oxide CaO, which has the halite (NaCl) structure a =…

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Q: How Many total are in the Molecule бума (0) and pi (1) Boods How Many sp³ hybridized carbon atoms…

A: In this question, we have to answer total number of Sigma and pi bonds are present in the given…

Q: How many moles are there in 17.2 g of FeF 3 : Answer to 2 decimal places and include the unit .

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