Make a graph of the average mass vs. year. Make sure axes are labeled.

Q: (c) A cell has the two electrode reactions, AgCl(s) + e Ag(s) + Cl¯(aq); E = 0.23 V Cu²+ (aq) + 2e =…

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Q: 1) 03 2) Zn, CH3COOH

A: This is an example of ozonolysis of alkene

Q: 294.5 nm to centimeters

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Q: Draw the Lewis structure of CH³CH₂CH₂CH₂CH₂CN. Include all lone pairs and charges as appropriate.

A: The representation of organic compounds which include bond pairs and lone pairs of electrons.

Q: Decide whether these proposed Lewis structures are reasonable. proposed Lewis structure H 10: I H. -…

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Q: Determine the hybridization for the indicated atoms in each structure below. A B. :0: ||…

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Q: The liquid propyl cyanide has a density of 0.794 g/mL at 20.0 °C. If a 44.3 mL sample of this…

A: For liquid propyl cyanide at 20.0°C,Density = 0.794 g/mLVolume = 44.3 mLmass = ?

Q: Question 4 Listen 4.000g of sodium iodate and 0.875g of calcium chloride dihydrate are used to make…

A: Stoichiometric reactions are reactions where a relationship is established between the quantity of…

Q: n the following statements, select the correct statement : A. N(CH3)3 has pyramidal structure. B.…

A: Given four statementsA. N(CH3)3 has pyramidal structure.B. N(SiH3)3 shows planar arrangement.C. SiC…

Q: The label on a soft drink bottle gives the volume in two units: 591 mL and 20. oz. Use this…

A: A conversion factor is an expression used to describe the change in units of a measured quantity.…

Q: (CH3)3Al lewis structure including tridimensional structure with respect to the central atoms

A: While draw the Lewis structure, keep the following points:First, calculate the total number of…

Q: Four research teams measured the half-life of a radioactive isotope, and what each team wrote in its…

A: Starting with the definition of accuracy and precision we have      Accuracy refers to the closeness…

Q: 10) Can H₂PO, exist with H₂PO, in a mixture? What about H,PO, and HPO,?? What about H,PO, and PO,³?

A: Given: exist with H2PO4^- in a mixture and and A mixture is a physical combination of two or more…

Q: d) The precipitation of AgCl(s) from the solution of Ag(NH3)2*.

A: Given that, the precipitation of AgCl(s) from the solution of Ag(NH3

Q: Which of the structures is NOT a resonance structure of the following carbocation? OA. OB. O C. D.

A: We know that carbocation has a positive charge, if a pi bond is present adjacent to the positive…

Q: Draw the skeletal structure of Product A from the reaction below. :0 heat Product A

A: The Diels–Alder reaction is a pericyclic reaction (cycloaddition) between a conjugated diene and a…

Q: Explain why methyl ketones give the haloform reaction (OH-, Br2).

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Q: odine-125 is radioactive and has a half life of 60.25 days. Calculate the activity of a 6.1mg sample…

A: Given Iodine-125Half life = 60.25 daysMass of sample = 6.1 mg = 6.1 * 10-3 gActivity of sample =…

Q: The number of particles that would usually "collide"; in an elementary step are 1-2 3-4 5-6…

A: In a chemical reaction, an elementary step (also known as an elementary reaction or a reaction…

Q: 4. Circle the compound that should be the more acidic of the compounds shown below مده CI .OH .OH

A: Acidity of the compound is generally influenced by the stablity of the conjugate ion formed from the…

Q: ▼ Review Constants I Periodic Table How many moles of methane are produced when 85.1 moles of carbon…

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Q: In cis-1,2-dimethylcyclohexane, which statement is true.   A)  Both methyl groups are in equatorial…

A: Given: cis-1,2-dimethylcyclohexaneIn organic chemistry, the term "conformation" refers to different…

Q: I have a question, What number is of value and units.

A: Part A) Moles of methane produce when hydrogen is in excess.Part B) Moles of hydrogen react to…

Q: Question 8: What would be the products of the autoionization of NH3? NH4+ and NH₂ NH4 and NH₂+ NH4…

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Q: For a reaction with ΔH = 5.2767 kJ/mol and ΔS = 18 J/K•mol, at 20°C, the reaction is: Spontaneous…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: 9. The following presented reaction scheme lead to the synthesis of which major product from…

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Q: What is the maximum volume (ml) of 0.195 M Ca(OH)2 that can be titrated into 50.0 ml of a buffer…

A: Molarity of Ca(OH)2 = 0.195 MVolume of buffer = 50.0 mLMolarity of acetic acid = 0.337 MMolarity of…

Q: 1. OH™ a. Write the formula of conjugate acid for HPO b. Write the formula of conjugate base for HPO…

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Q: Which compound has the longest carbon-carbon bond(s)? O CH3CH3 O CH2=CH2 O HCCH CH3CH2CH3 O All…

A: BondBond OrderBond LengthC―C11.54 A0C=C21.34 A0C≡C31.20 A0

Q: 6. What is the pH value of a 0.10M CH NH,NO, solution? The Kb of CH NH, is 4.4x10-4

A: The concentration of Ch3Nh3No3 solution is 0.10 M .The kb value = 4.4 ×10-4 .

Q: 71) Which of the following is the strongest acid? A) CH3OH B) CH3OH2+ C) H₂N- D) CH3NH2 E) CH3NH3+

A: Given A) CH3OHB) CH3OH2+C) H2N-D) CH3NH2E) CH3NH3+Strongest acid among them = Need to be determined

Q: Formulate the expression for the chemical potential of the solvent in terms of the solute in a…

A: The Gibbs-Duhem equation describes the relationship between changes in chemical potential for…

Q: 19. The initial rate of reaction between Substance A and Substance B was measured at a series of…

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Q: 4. What is the concentration of an ammonia (NH3) aqueous solution if the pH value of the solution is…

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Q: The molecule CH3CH(F)CH2CH2CH(Br)CH3 would be named:

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Q: 2. For each molecule below, determine and write the formal charge on each atom that has one. Do any…

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Q: EP1: Draw all resonance forms for each structure and identify the forms that are the most…

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Q: Nitrogen gas and oxygen gas can combine to form nitrogen monoxide gas. Nitrogen monoxide gas can…

A: The reactions involved can be given asNitrogen gas (N2) and oxygen gas (O2) can undergo two…

Q: One way in which the useful metal copper is produced is by dissolving the mineral azurite, which…

A: The mass of copper(II) sulfate in the sample can be calculated by using the molar mass of copper(II)…

Q: A student sets up the following equation to convert a measurement (The ? stands for a number the…

A: In this type of question we will identify the relationship between the units which we need to do…

Q: For the following reaction, determine the number of electrons transferred. If the reaction is not a…

A: Reaction :

Q: Van der Waals equation of state is given by P+- n of the following represents: i) ii) iv) P V nb P4…

A: Given: Vander Waal equation of stateTo determine:Representation of each term.i) Pii) Viii) nbiv)v)

Q: What is the pH of 0.15M NH, solution? K₁ =1.8×10³

A: Concentration of NH3 solution (C) = 0.15 MKb for NH3 = 1.8 × 10-5pH of a solution = ?Note: Ammonia…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: (43. Pa.mm2) •  = ? Pa.m2Note: As we know that,1 mm2 = 10-6 m2

Q: Please use conversion factors to find how many moles and atoms (using Avogadro's number) are there…

A: Given, mass of copper = 29.1 g We know, molar mass of copper = 63.546 g/mol => moles of copper =…

Q: Previously, you determined that the proper ratio of packages of buns, packages of patties, and jars…

A: work out how many we need for 300 people 300 x (3:2:4)buns : patties : pickles900 : 600 : 1200

Q: 1. Create a flowchart for the synthesis and purification of phenacetin. Draw out your steps for the…

A: Purification is the process of removing undesired contaminants from an organic product. The…

Q: Match the description below with the following microscopic pictures. More than one picture may fit…

A: Answer:When two or more than two gases are present in a system then it is called as mixture of…

Q: Below is the Lewis structure of the methoxide H ** H:C:O: H :00 Count the number of bonding pairs…

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Q: An incomplete Lewis structure is shown below. The structure only shows the atoms and how they are…

A: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simplified…

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.