How many Ne atoms are contained in 32.0 g of the element? 3.88 x 1026 atoms O2.63 x 10-24 atoms 9.55 x 1023 atoms O 1.07 x 10-21 atoms

Q: A Chemical Change & Conservation Scenario When heated, calcium hydroxide and ammonium chloride react…

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Q: || SO3H III V H fuming H₂SO4 ŞO₂ ||| ŞO3 IV OH

A: We can predict the product after drawing it mechanism part.

Q: Draw the electron dot diagram for carbon monoxide and carbon dioxide. Predict the products…

A: Given Lewis structure of CO and CO2

Q: The unit of density for 0.02109 four Otwo Ofive three

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Q: Mac Reaction B: NH₂ H H H H H :Br: Draw the products of Reaction B. Incorrect

A: We have been given a reaction in which amide ion react with ethyl bromide and we have been asked to…

Q: How many lone pairs are there on the central C atom in the Lewis structure for CH4 ? How many lone…

A: We have been given a molecule CH4. We have been asked number of lone pairs present on central C atom…

Q: Given всесод+ 2нд роц-р саз сро у 2а+ 3 Co2 + 30 3. 25 mol са сод 475 дор #з роу L...T.y 3 E.R Find…

A: Limiting reagent are those reagent which get exhausted during the chemical reaction and due to which…

Q: Which of the following bond is the most polar? H — F H — O C — N C — H C — O

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Q: 32. Which of the given below is an elimination reaction? I. III. 1 III IV 0-α Br All of the above…

A: AS PER THE ANSWERING GUIDELINES I CAN ANSWER ONLY THE FIRST ONE, IF YOU WANT THE REST POST THEM…

Q: What is precipitation-titration? Then, briefly and consisely describe the methodology employed in…

A: The titration in which precipitate is formed at the end of titration is considered precipitation…

Q: Consider this: PCIs decomposes to PCI3 and Cl2 according to the equation PCI5 = PCI3+Cl2 When a…

A: PCl5(g) = PCl3(g) + Cl2(g)…

Q: The single strand of nucleus acid shown is representative of A)RNA B)DNA C)Protien D)both RNA and…

A: The nucleic acid that serves as the primary blueprint for protein production in cells is called DNA…

Q: Now let's add a third closed container, Sample Z. Sample X: 500 mL of water Sample Y: 1 mole of…

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Q: 10. 11. 12. CH,CH-C-OH+ CH, CH-OH H, heat 0 11 CH₂CH.CH C OCH,CH,+NaOH CH, CH O 11 L CH,CH-C-0 +H₂O7…

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Q: Predict the reactants and draw the energy diagram that shows the transition state of the reactants:…

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Q: Why is cellular respiration an example of a redox reaction? There is a long series of electron…

A: •Cellular respiration:- Cellular respiration occurs via electron transport chain. •Here is electron…

Q: 3. Draw a Lewis structure for all the branched cations with the molecular formula [C3H₂N]*

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Q: The molecules of a certain gas sample at 321 K have a root-mean-square (rms) speed of 271 m/s.…

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Q: 25. (i) Why do amines not directly react with carboxylic acids to form amides? (ii) How would you…

A: When an acid reacts with a base they give neutralization reaction to form a salt. Amines are base so…

Q: 0.0200 moles of hydroiodic acid was mixed with 500.0 mL of water. Calculate the pH of the solution.…

A: Moles of Hydroiodic acid dissolved= 0.0200 mole  Volume of water= 500.0 mL

Q: What evidence of chemical change might you expect to observe from this reaction?

A: The given reaction is a type of displacement reaction. The formation of ammonia is evidence of the…

Q: Ni(Et2en)2(NCS)2 Ni(Et2en)2l2

A: To get the electronic configuration we first need to determine the oxidation state of the metal.

Q: Which of the following can exhibit cis-trans isomerism? O [Co(NH3J6]3+ O [CoH2O4Cl2]* O…

A: Suitably substituted square planar and octahedral complexes can show the cis-trans isomerism.…

Q: 6. Assign a correct set of four quantum numbers for the circled electrons in these orbital diagrams.…

A: we have to determine the 4 quantum numbers for the circled electrons in the given orbital diagrams

Q: Consider this: PCIs decomposes to PCI3 and Cl2 according to the equation PCI5 = PCI3+Cl2 When a…

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Q: instructor will guide you as you fill in the following table. The information in this table will be…

A: Alkanes have only single bonds between carbon atoms.  Example - Ethane Alkenes have double bonds…

Q: Option ОН Option 3 OH OH OH EtOH Option 2 EtOH Option 4 EtOH ОН OH

A: Hemiacetals are formed by reaction of alcohol with carbonyl compound in presence of acid this…

Q: The resistances of a series of aqueous NaCl solutions, formed by successive dilution of a sample,…

A: Molar conductivity, λm = k/c = specific conductivity/concentration in mole per liter = k/c k = C/R…

Q: The following chemical equation is NOT balanced and, as such, does NOT follow the Law of…

A: Law of conservation of mass : It states that in a chemical reaction mass is neither created nor…

Q: Both of the following structures are resonance structures. Which one contributes more to the hybrid?…

A: Resonance contributor is dependent on several factor .

Q: HO-3- H- -OH -OH -OH CH₂OH HO CH₂OH OH Nucleophile: OH in C-5; Electrophile: O in C=0 Nucleophile:…

A: Nucleophile:- The atom which have extra pair of electron, negative charge or electron rich species…

Q: Calculate the mass of nitrogen dissolved at room temperature in an 81.0 L home aquarium. Assume a…

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Q: Consider this: PCIs decomposes to PCI3 and Cl₂ according to the equation PCI5 = PCI3+Cl₂ When a…

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Q: When molybdate (MoO3) and Zinc (Zn) are heated together they react in this equation: 3Zn +2M003 →…

A: Balanced chemical reaction between molybdate and zinc as follow 3Zn + 2MoO3-----------> Mo2O3 + 3…

Q: The Manganese-55 ion, with a charge of +2, has: 25 protons, 30 neutrons, and 25 electrons 25…

A: To find out the number of protons, neutrons and electrons in the given ion, first of all, find out…

Q: 22. Explain why the following compound cannot be converted to a Grignard reagent. How would you…

A: A dimer would form; treat C=O with diol in acid

Q: 3. Calculate the index of hydrogen deficiency of each compound. a) Calculate the index of hydrogen…

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Q: I do not understand Which of the following will have lowest vapor pressure? A. 1M salt water…

A: We know that Lowering of vapour pressure is a colligative property. Therefore it depends upon the…

Q: A compound with molecular mass 71 transparent in the ultraviolet spectrum. In Infra- red, medium…

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Q: 0 0- 30- 8. Spectra of an organic compound X are shown in Figure 4 (A, B, C). Predict the chemical…

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Q: Solve for u. 14-2=121/12 3 Simplify your answer as much as possible. U= 010

A: ->For solving equation first of all unknown terms come to one side .

Q: Fast pls i will give u like for sure pls solve in 2 min pls answer the following: 1) Calculate the…

A: 1) concentration of HF = 0.15 mol/lt Ka = 6.6 x 10-4…

Q: 26. CH, CH OH H3C- -CH-CH-CH3 What is the correct name for the above compound? a. 2-methyl-3-butanol…

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Q: 2. Carbonic acid (H₂CO3) and bicarbonate (HCO3) act as buffers in the blood. (a) What is the origin…

A: 2a.) The carbonic acid is present in blood in the human body. Carbonic acid is formed in the human…

Q: convert 750 ul to ml

A: We have been given 750ul and we have been asked to convert 750ul to ml.For doing this conversion ,…

Q: A 0.5000 g primary standard sodium oxalate (Na2C204, FW=134.00 g/mol) was dissolved in 50 mL of 1 M…

A: Sodium permanganate has a strong oxidising effect. Although KMnO4 also serves as an oxidising agent…

Q: 3.73. The frying of a hen's egg is a spontaneous reaction and has a negative Gibbs energy change.…

A: We have find out the answer.

Q: The following atoms all undergo Beta particle (°-1 B) emission. write the nuclear equation. 14 C→ 6…

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Q: Why do(es) lone pair(s)/nonbonding pair(s) around the central atom in a molecule usually "make(s)"…

A: In the given compound we have to find out the polarity shape and difference between…

Q: 3. Write down the products of the following reactions SO3 H₂SO4 (fuming) Me, ŞO₂H QEt OH Me Cl₂ H₂O…

A: Answer:  The the final products of the given reactions are listed below:

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.