Determine the number of atoms in 73.0 grams of vanadium, V. (The mass of one mole of vanadium is 50.94 g.)

Q: Why is dimethylamine more basic than aniline? (Provide structures)

A: Delocalisation of lone pair decreases basicity

Q: Consider the cell Pb(s)│PbX2(s)│X¯(aq) (AX-=0.05) ║ Y¯(aq) (AY-=0.06)│AgY(s)│Ag(s) PbX2 (s) +…

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Q: 15.35 Which of the following statements is/are true for a 0.10 M solution of a weak acid HA? (a) The…

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Q: mund in which direction will the equalibrium be shifted? 1) adding N₂0 11/ N₂0 (9) + NO₂(g) = 3NO…

A: According to Le chatelier's principle When a system is in equilibrium and a stress is added to the…

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A: According to the Lewis definition, the species which donates lone pair of electrons acts as a Lewis…

Q: Are the following molecules polar? NH3 = [Select] PCI4 = [Select] NOCI= [Select] HNO₂ [Select] SO3 =…

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Q: 5. Conjugate acid base partners differ by a single proton. True False A. B.

A: Conjugate acid base partners differ by a single proton  -We have to choose wheather…

Q: Which of the following compounds would have the highest boiling point? CH3CH₂CH3 O CH3CH₂OH…

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

Q: What is the coefficient of chlorine gas (Cl₂) after balancing the following equation? Fe(s) + Cl₂(g)…

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Q: Question 4 Select the correct bond angle for each of the following central atoms: HNO₂ (central atom…

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Q: What type of oxygen-based functional groups may be present in the molecule, based on the IR? Can the…

A: Given that the molecular formula of an unknown compound is C6H12O. The degree of unsaturation of…

Q: Why is dimethylamine more basic than aniline? (Provide structures) Give a mechanism of the following…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: Write the formula for the conjugate base of each of the following acids. HCl, H3PO4， HCHO2 and HF…

A: An acid when looses it's proton the other counterpart is called as conjugate base of it.And if the…

Q: Combustion analysis of 2.400 g of an unknown compound containing carbon, hydrogen, and oxygen…

A: •   Empirical Formula from Combustion Analysis: In a combustion analysis apparatus, a sample of an…

Q: Exactly 14.8  mL of water at 32.0 °C is added to a hot iron skillet. All of the water is converted…

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Q: To what volume (in mL) would you need to dilute 40.0 mL of a 1.25 M solution of NaCl to make a…

A: Here given Volume (V1) = 40 ml                   Concentration ( M1) = 1.25 M…

Q: Consider the following buffer system: 1.19 M H3PO4 and 1.20 M H₂PO4-. What is the pH of such a…

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Q: What does this graph shows? a. Label axis. b. Describe functions (in math and English). c. What is…

A: For the given question, we have to: a. Label the axis b. Describe functions c.Mark the physically…

Q: Part 1-TLC A. color of first spot B. color of second spot C. color of third spot D. color of fourth…

A: 4) If anyone make error in writing data on lab note-book, he/she shouldn't erase or white it out…

Q: Molecules in a gas are being pumped through a vacuum system. Eventually the pressure drops low…

A: To attain a state of vacuum, a space must be empty, i.e. devoid of all gaseous material. The…

Q: Comment on the reactivity of 9- anthracenemethanol such an unreactive diene. specifically why it is

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Q: You graph the calibration curve of a solution of an unknown metal (we will call it M+) at 400 nm.…

A: Given, Calibration curve of a solution of unknown metal.

Q: 2. What is the molarity of a stock solution that is 1.8g/ml and 44% HCI? CORRECT SIGNIFICANT FIGURES

A: Note: As per the guidelines, expert solution of first question has been, for the expert solution of…

Q: Arrange the following substances in order of increasing enthalpy of vaporization. I "NH₂

A: Option IV is the right answer.   please find the below attachment for explaination.

Q: Complete the balanced molecular chemical equation for the reaction below. If no reaction occurs,…

A: Answer: During a chemical reaction breakage of old bonds and formation of new bonds takes place.

Q: Draw the major product of the reaction sequence shown.

A: The carbonyl compound reacts with alkyl lithium to form alcohol. Ketone reacts with alkyl lithium by…

Q: 8.42×104 J  to Cal Express the value in Calories to three significant figures, please.

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Q: What volume in mL of 0.300 M NaF would be required to make a 0.0355 M solution of NaF when diluted…

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Q: What type of reaction is described by the following chemical equation   H2  +  Cl2  -------> 2HCl…

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Q: When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 19.2 gg of carbon…

A: Mass of carbon = 19.2 g  Mass of oxygen = 69.5 g  Mass of oxygen remain unreacted = 18.3 g  Mass of…

Q: Exactly 1 mol Pb(ClO₂)₂ contains how many moles of Pb, Cl, and O? moles of Pb: moles of Cl: moles of…

A: we have to calculate moles of Pb, Cl and O

Q: CH 3 B CH3 OH OH CH3 0 CH3 CD3 on CH 3 OH D F CH3 CD 3 Which one of the following conclusions can be…

A: This is Fries Rearrangement reaction. In this reaction, aryl ester is converted into hydroxy aryl…

Q: The specific heat of water is 4.18 J/(g⋅∘C). Calculate the molar heat capacity of water. Express…

A: Molar heat capacity is the amount of heat required to raise the temperature of 1 mole of substance…

Q: Give a detailed mechanism of following reaction. Show the major product and give the IUPAC name of…

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Q: The specific heat of a certain type of metal is 0.128 J/(g. C). What is the final temperature if 305…

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Q: Draw the Lewis structures and their resonance structures for the following molecules.

A: Given : formula of compounds Tip : follow octet rule.

Q: Titanium(II) chloride Beryllium chloride 1. Colored 2. Colorless 3. Impossible to tell

A: An aqueous salt solution can be colored or colorless. The color of the salt depends on the number of…

Q: 3 moles of Kr at a pressure of 2 bar and 2 moles of Xe at a pressure of 4 bar are isothermally mixed…

A: According to the question we have, The number of moles of Kr (η1) is given by = 3 moles The pressure…

Q: Lead nitrate with potassium iodide All equations should be balance and contain physical states.…

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Q: Select the correct electronic geometry for each of the following central atoms: NH3 [Select 1

A: Given: formula of compounds. Tip: electronic geometry also consider lone pair of electrons.

Q: Arrange the following substances in order of increasing total intermolecular forces between their…

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Q: Is stearic acid or oleic acid more unsaturated? Explain using your bromine test results. X₂|X²|→…

A: To solve this problem we will do bromine test .

Q: Since heat is always transferred to/from the calorimeter, propose a simple experiment to determine…

A: Experiment to determine the calorimeter constant: 1) About 50 gms of distilled water is weighed and…

Q: When 14g MgSO4 7H2O is dissolved in 100g water the density of the solution is found to be 1.060g/mL.…

A: Molarity:  Molarity is one of the unit of concentration. It is defined as the number of moles of…

Q: What is the molarity of a solution that contains 4.90 moles of a solute in 750.0 mL of solution?

A: Given, Volume of solution = 750 mL = 0.75 L Moles of solute= 4.90 moles

Q: What is the order in which the H1 NMR singals would appear (from most downfield to most upfield) ?…

A: 1Hnmr spectra provides the information of hydrogen environments of the unknown compound. The factors…

Q: How do you synthesize this product via an SN2 mechanism?

A: Alkyl bromide reacts with alcohol to form an ether by the Williamson ether synthesis. The reaction…

Q: In this experiment, you will perform an SN1 (substitution nucleophilic unimolecular) reaction using…

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Q: Threonine Threonine is an amino acid (H₂B* when fully protonated) with pK₂1 = 2.088 and pK₂2= 9.100.…

A: Handwritten calculations are shown below:

Q: Question 8: Draw the SN1 and El products formed in the reaction of (CH3)3CBr with H₂O. Show…

A: SN1 is a substitution reaction and E1 is an elimination reaction. Both SN1 and E1 are first order…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.