On a sheet of paper, Illustrate the history of the atom. Indicate the scientist's name, the Time he/she stated his/her theory, and his/her theory. Thanks!!!

Q: Which cubic unit cell has the largest number of equivalent atoms?

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Q: In the Hall–Héroult process for the electrolytic production of aluminum, Al3 ions from Al2O3…

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Q: 24 This was used to determine the characteristics of the particles in a cathode ray beam and…

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Q: If a 30.0 A of current flow through an electrolytic cell containing molten aluminum oxide for 1.0…

A: The chemical reaction :  Al3+(l) + 3e- ---> Al(s)  Current = 30.0 A  Time = 1.0 hour  Weight of…

Q: )  If a reaction has the rate law v = k[A]1[B]0 then what is the power of M that appears in the…

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Q: Provide the products and detailed arrow pushing mechanisms for the following reactions: OSIME3 EtN…

A: Reaction 1 : Evans aldol reaction. Reaction 2 : Dieckmann cyclization followed by hydrolysis.…

Q: If the colour of a solution turns pink on adding few drops of phenolphthalein indicator, it means…

A: The colour of alkaline or basic solution turns pink on addition of few drops phenolphthalein…

Q: The table shows the pH value and the corresponding color change for a chemical indicator bromothymol…

A: Provided range of color changes of bromothymol blue: The provided substances have to be sorted in…

Q: A volume of 100 mL of 1.00 M HCl solution is titrated with 1.00 M NaOH solution. You added the…

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Q: Select ALL that are always TRUE for a spontaneous process. AG 0 and AS 0

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

Q: Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric…

A: • The values provided in the question are:-      i) pH of a carbonated cola solution = 3.120    • We…

Q: Calculate the cell potential for the galvanic cell in which the given reaction occurs at 25 °C,…

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Q: For the complex [Pd(NO)4]Br4, assume NO is a strong ligand, then which statement is true The complex…

A: According to the crystal field theory the ligand atom acts as point negative change and the metal…

Q: 3. Calculate E° for the following cells: a) Cl/CIO;//02/H2O b) OH/O2//CIO3/CI (basic medium)

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Q: Predict ducts of the reaction below. That is, complete the right-hand side of the chemical equation.…

A: Neutralization reaction: The hydrogen ion of acid reacts with the hydroxide ion of a base to form…

Q: For the complex [Co(en)2(OH)2]OH, what is the oxidation state of the central metal in the complex?

A: Given :- [Co(en)2(OH)2]OH  To determine :- oxidation state of central metal in given complex

Q: Iodine atoms combine to form molecular iodine in the gas phase I(g) + I(g) → L(g) This reaction…

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Q: The viscosity coefficient of methane at 0 °C is 102.6x10-6 poise. Calculate the molecular diameter.

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Q: Part A There are conventions for naming and constructing the formulas for acids and bases just as…

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Q: Vhich of these types of coprecipitation happens with greater probability when the ratio of the…

A: The type of coprecipitation happens with greater probability when the ratio of the contaminant…

Q: What are the units of k for the rate law: Rate = k[A][B]^2, When the concentration unit is mol/L?…

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Q: 24. A 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure…

A: First of all we have to find mole of Fe from the mole of Fe2O3. From that we will get mass of Fe.…

Q: Draw the expected major products from the reaction sequence shown below. 1.03 Halovor HC

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Q: The viscosity of methane at 20 °C and 1 atm pressure is 1.09x10-4 poise. Calculate the mean path in…

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Q: Compare the pH readings of the two buffers. Determine which buffer had the greater buffering…

A: The unique characteristic of a pH buffer is that it has a specific pH level and is resistant to any…

Q: Question 5 Which molecule contains a Csp-Csp bond? Me Me O C O B O A Question 6 Which is the best…

A: If lone pair of oxygen or nitrogen are in conjugation then they have sp2 hybridization

Q: Q5) If the mass of the recorded primary standard for standardization of NaOH solution was more than…

A: Answer: Standardization of the solution is the process we use to calculate the actual molar…

Q: Question 29 What is the % BaCl2 in the sample? A 74.22% (B 64.72% c) 25.78% D) 23.72%

A: Given that, a 0.5000 g of a sample is containing NaCl (58.44 g/mol) and BaCl2 (208.23 g/mol), and…

Q: 4. The reaction: 2 ClO2(aq) + 2 OH'(aq) → ClO;'(aq) + CIO2'(aq) + H2O(1) was studied with the…

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Q: 7. Give the number of valence electrons and draw a Lewis structure for each molecule or ion. Use…

A: Total valence electrons of a molecule or ion is defined by the sum of the valence electrons of all…

Q: 100.0 mL of 2.0 M sodium phosphate is added to a beaker that has 150.0 mL of 2.0 M barium chloride.…

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Q: solve question Q9) After adding precise amount of HCI to antacid tablet, the contents of the flask…

A: #Q.9: The main constituent in an antacid is sodium bicarbonate, NaHCO3.

Q: Q10) A tablet that contained 500 mg of vitamin C (Molar Mass = 176 g/mol) was titrated with 20.15 mL…

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Q: Determine if the decomposition of potassium chlorate (KClO3) is spontaneous or not. 2 KClO3(s)  >…

A: For the given reaction -  2 KClO3(s)  ->   2 KCl(s)   +   3 O2(g)    The entropy of reaction is -…

Q: For the reaction Co(g) + 3H2(g)CH4(g) + H20(g) AH° = -206.1 kJ and AS° = -214.7 J/K The maximum…

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Q: Provide what is being asked in each of the columns in the given table. Molecule/ Molecular Molecular…

A: We have to provide lewis structure, molecular geometry and shape of the given ion, 1.SH4++ 2.SCN-

Q: A 50.00 mL of 0.0275 M HCl solution was titrated with 0.1500 M NaOH. Calculate the pH of the analyte…

A: Answer: In this question, we are titrating strong acid against strong base, so before the…

Q: Given the compound: [Co(en)2(OH)2]OH, what is the three dimensional arrangement for the complex?…

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Q: ive the or the gaivanic celnS Ba ing Hail-r əəp pu p uonenbə uəɔ pƏ: (Use the lowest possible…

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Q: Complete the table for the ionizable groups of the fictitious amino acid hypothetinine. pKa (to TWO…

A: The correct answer is given

Q: 35. A 50.00 mL of 0.0275 M HCl solution was titrated with 0.1500 M NaOH. Calculate the pH of the…

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Q: Draw structural formulas for the six ketones with the molecular formula C6H12O.

A: From the above molecular formula a lot of ketone can be formed ,according to your question I draw…

Q: During the operation of a voltaic cell, the emf decreases over time and Q increases. Group of answer…

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Q: Which of these apply to the Image (attached)? There should be 4 total answers: A. High End pH B.…

A: We are given the titration curve for a combination of unknown acid and base.

Q: A high altitude balloon has a volume of 2.43 L at 755 torr and 20.1 C. What is the volume at 1.00…

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Q: What is the volume, in L, of 0.691 moles of O2 gas having a temperature of 66.1 ºC and pressure of…

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Q: Write a balanced chemical equation for the overall cell reaction represented as a) Fe"/Fe* //…

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Q: 1. In this experiment we measured K, for borax Na,B,0,(OH), 8H,0(s)=2Na*(aq)+ B,0,(OH),¯(aq)+8H,0(1)…

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

Q: 4. In the experiment we plotted In(Ksp) vs 1/T. The class average data finds a straight line graph…

A: Given: Plot of ln(Ksp) v/s 1/T curve gives a straight line with a slope of -12406 and intercept of…

Q: MULTIPLE CHOICE NUMBERS 11 TO 14 ONLY

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Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.