1. Fill in the blanks: A [He] 2s²2p Atom Number of valence electrons Number of core electrons Neutral element B [Ne] 3s A B C [He] 2s²2p² C

Q: Which of the molecules, CO2, NH3 and BCl3 will be polar?

A: Non polar compounds will have non polar bonds or polar bonds in which dipoles cancle each other.

Q: I need this question answered in 20 minutes please and thank you. I will write a long and wonderful…

A: Work function: It is defined as the minimum quantity of energy required to remove an electron  from…

Q: how many molecules (not moles) of NH3 are produced from 4.26*10-4 g of H2? Express your answer…

A: We need to find how many molecules (not moles) of NH3 are produced from 4.26×10-4 g of H2.

Q: Several conformations of this molecule are shown below. Which of the following Newman projections is…

A: The concept used in this question  is from  stereochemistry chapter of organic  chemistry. Stability…

Q: What is the mass of glucose present? How many moles of glucose are there (three significant…

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Q: Hydrogen gas, H₂, will react with either acetylene, C₂ H₂, or ethylene, C₂H4 to produce ethare,…

A: We have given two values of change in enthalpies for formation of ethane We have to use these two…

Q: Determine the mass of a sample of water containing 3.55*1022 molecules of H2O

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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: Why do molecules of Florine attract each other?  (get close together and stick)

A: Intermolecular forces can be defined as the forces that exist between two or more than two…

Q: 1.90 Measurements show that 1.0 g of iron (Fe) contains 1.1 × 10²2 Fe atoms. How many Fe atoms are…

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

Q: find the true mass of 28.0 W% ammonia (density = 0.90 2/ml) when the apparent mass is 20.00g.…

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Q: 450 g CBr4 Express your answer in molecules to three significant figures

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Q: a. b. XVI. For each substituted cyclohexane below, draw its ring-flip isomer. Show all the…

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Q: what is the major organic product obtained from the following reaction! O A 20 -OCH3 OCH 3 D 1 >## 3…

A: In this question, we will select the major product for this given reaction.  This reaction is…

Q: The following is produced from the addition of an acid and a base: O a. Acid Ob. Base O c. Buffer Od…

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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: How many moles are there in 572.6 g of Na 2 SO 4 ? Answer to 2 decimal places and give the unit .

A: Given the mass of Na2SO4 taken = 572.6 g  In order to find the moles of Na2SO4, we need the molar…

Q: 7 8 10 11 12 How many millilitres are in 100 liters? Express the answer in scientific notation. How…

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Q: Explain whether its solution requires qualitative or quantitative analysis.

A: Qualitative Analysis: simply the chemical analysis in which the identification of the components…

Q: Draw the two chair conformations of trans-1-chloro-2-methylcyclohexane. Which is more stable?

A: Answer: Different chair conformations can be prepared by putting groups at axial and equatorial…

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: 5.2 A batch of poly(butylene terephthalate), PBT, is made by reacting butylene glycol (also known as…

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Q: Draw its Meso-compound, diasteriomer, and/pr enantiomer (wherewver applicable). Give handwritten…

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Q: 3) Review the three structures provided below. (Hint: Convert to extended formula or Lewis Dot…

A: More basic the base more will be the pKa  of it and hence it will abstract protons easily.

Q: rawing resonance structures shows ways a molecule vibrates back and forth between two diff True…

A: Resonance structures are used when movement of electrons in one Lewis structure for a single…

Q: Dre The freezing point of ethanol, CH₂CH₂OH, is -117.30 °C at 1 atmosphere. A nonvolatile,…

A: Given - Freezing point of ethanol =117.30°C Weight of saccharin= 11.59 gram  Weight of ethanol…

Q: Rank the following compounds in order of decreasing strength of intermolecular forces, starting with…

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Q: Neon atoms do not combine to form Ne2 molecules, however Ne atoms do attract one another weakly…

A: An atom is stable when it has the nearest stable inert gas configuration or has a complete octet.…

Q: When eaten, the body breaks down sucrose (C12H22011) into one molecule of glucose (C6H12O6) and one…

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Q: QUESTION How many significant figures should there be in the answer to the following calculation?…

A: Significant figures : This is the positional notion of digits which indicates the accuracy of the…

Q: Solve the following thermochemical reactions: 2 HCl + Pb PbCl₂ + H₂ H=-1861 J/mole What is the…

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Q: 1. Explain why egg whites and milk are used as antidotes for heavy metal poisoning.

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Q: In the resonance structure for the carbonyl group the charges on the atoms are

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Q: Write a short notes on trans effect and its heories.

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Q: d+ d+ d- Si-P d- Si-S d- S-P d+ The most polar bond is

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Q: (as PAGE: polyacrylamide gel electrophoresis). The polyacrylamide chains: # of molecules Degree of…

A: Polyacrylamide are those polymers which have acrylamide as one of their monomer.They are copolymers…

Q: Calculate the amount of heat needed to melt 182. g of solid octane (C₂H₁) and bring it to a…

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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: Use the following Lewis diagram for acetamide to answer the questions: H :0: th H- C 1 2 3 H H -H…

A: The molecular shape and bond angle of a compound can be determined by the state of hybridization and…

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

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Q: QUESTION 4 A 207.8 lb object displaces 2.71 gallons of water when submerged. What is the density of…

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Q: What are the complete ground state electron configurations and noble gas notations for the following…

A: 1.Ground state electronic configuration  represent electronic configuration of elements in normal…

Q: A mechanical engineer trainee is trying to study the combustion of natural gas, which is primarily…

A: Molar mass of a compound is equal to sum of atomic masses of all atoms present in that compound.…

Q: The Rast method uses camphor (C10H160) as a solvent for determining the molar mass of a compound.…

A: Given  Kf = 40.0°C/m  Freezing point of camphor= 178.40°C  Freezing point of mixture = 170.30°C…

Q: Order to following particles from the smallest (1) to the largest (4) nucleus quark proton atom…

A: We have to arrange nucleus, quark. Proton and atom in the increasing order of their size. Note:…

Q: b) 0 th, pd/c HNO3 1504 0 NO₂ 0 میل الدین سہتی ہو 400 NaNO₂, HCl " NO₂ 34 product Short syntheses…

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Q: Predict the ground-state electron configurations of the oxygen molecule, O₂, the superoxide ion, O2,…

A: O2 molecule has total 12 valence electrons .It has 2 bonds :one is sigma bondand another is pi…

Q: Give a few examples of items that you used on a daily basis that contain organic compounds.…

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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…

Atomic Structure

The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.

Shape of the D Orbital

Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.