Write the chemical symbols for three different atoms or atomic cations with 21 electrons.

Q: 1) Hexane combusts according to the following balanced equation: 2 CGH14( e ) + 19 O2(g) 12 CO2(g) +…

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Q: In the box below, calculate the  enthalpy ( in kJ)for converting 50.0 g  of ice at -15.0 °C to water…

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Q: What will be the right combination of reagents to be required for the synthesis of the following…

A: In this question we can note that the formed mixture is an amine and an aldehyde. This can be form…

Q: S What are the structares for compounds A, B, C.D.E and F? HO H,O LIAIH, COOE CL. D NH -E+ F

A: Firstly protection of carbonyl take place (A) and later Lithium aluminium hydride reduces the ester…

Q: Predict the sign of AS and then calculate AS for each of the following reactions. (This problem…

A: To predict the sign of entropy We need to remember some easy rule - 1) Entropy at gases state >…

Q: 1.Determine products and if SNI, SN2, El or E2. 1. H0 DMSO (CH,hCO CH,OH CH,OH OH CH CH OH CH,CH OH…

A: Since, the above given question is multipart type question and according to the bartleby guidelines,…

Q: WRITE THE WORD EQUATION AND CHEMICAL EQUATION REPRESENTING THE FOLLOWING REACTIONS. 1. THE REACTION…

A: In chemistry, word equation is a type a reaction representation where words are used instead of a…

Q: Give formulas for the following complex ions. pentaammineaquaruthenium(III) ion

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Q: Assuming that the octet rule is obeyed, write out the electron configuration for the ion formed by…

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Q: A chemist determines by measurements that 0.0400 moles of iodine solid participate in a chemical…

A: Given, moles of solid iodine (I2) = 0.0400 mol mass of solid iodine (I2) = ? Note:  molar mass of…

Q: Meo Meo Meo, ...H Provide the reagents that would result in the given product.

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Q: 5- The electremotive foree for the cell: ed / cdcOH), (s2/ NaOHco-o+#)/Hz (1atn) /pt the electrodf…

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Q: During an experiment, 25 g of 0.32 M Ca(NO3)2 at 42°C is added to 103 g of 0.82 M HNO3 at 37°C in a…

A: 25 g of 0.32 M Ca(NO3)2 at 42◦ C are mixed with 103 g of 0.82 M HNO3 at 37◦ C . The increase in…

Q: Explain the difference between Toxicokinetics and Pharmacokinetics

A: In case of drugs, absorption is a process through which drug enters into body of living organisms.…

Q: What is the mass in grams of Potassium Chloride present in 23.0 g potassium chloride of 12.50…

A: Here we assume that the mass percent of KCl = 23% or 0.23g we use

Q: Draw the structure of zinc dihydroxy tetraphenyl porphyrins ?

A: Let us discuss the structure of given compound.

Q: How many moles are contained in 0.210 potassium hydroxide?

A: Number of moles is calculated by dividing the given mass with molecular mass.

Q: 14. Cr (BrO3)3 + Ta2(MnO4)5 → Cr2(MnO4)3 + Ta (BrO3)5 15. Nazs • 8 H2O + A → Na2S + 8 H2O = 16.…

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: Question 37 of 50 Submit Determine the Ka for an acid. To do this, construct an ICE table to…

A: Here 0.385 gram of phenol is dissolved in 2L of water. The pH of the solution 6.29 .  We have to…

Q: When vinegar and baking soda are kixed together in a aqueous, the solution becomes colder as the…

A: The solution is given below -

Q: 2 HI(g) ⇌ H2(g) + I2(g) a. At equilibrium the cincentration of HI(g) = 1.05 M, H2(g) = 1.75 M, and…

A: Given, 2HI(g) ⇌ H2(g) + I2(g) Equilibrium concentration of all the species, [HI] = 1.05 M [H2]= 1.75…

Q: Problem 6 IR Spectrum quid m 2 1716 4000 3000 2000 1600 v (cm) 1200 800 112 100 43 Mass Spectrum UV…

A: Based on the IR spectrum,  proton NMR spectrum, mass spectrum and carbon NMR spectrum, structure of…

Q: Describe how to accurately prepare (a) 250.0 mL of 5.00 M H,SO, using the concentrated acid. (b)…

A: a) The molarity of concentrated H2SO4 is 18M which is about 98% purity. For 100%, ...... (18/98)*100…

Q: Identify the functional groups in each molecule. H (1) CH3 C= (2) C=C H а. H H isoprene (emitted by…

A: In the given question we have to identify the functional group present in the given compound. the…

Q: A chemist must prepare 450.0 mL of nitric acid solution with a pH of 2.00 at 25 °C. He will do this…

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Q: I need help with this question, please Calculate the pH of the buffer solution after the addition…

A: Solution - According to the question - Given - pH =  pH,  denoting "potential of hydrogen" is a…

Q: Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical…

A: Given below reaction is double replacement reaction where the cations (Ba2+ ,H+) switches places..

Q: Practice Problem 07.76f Identify the major and minor product(s) of the following reaction: Br NaOEt…

A: E2 Reaction: E2 is a bimolecular elimination reaction. Reaction is concentrated (one step)  Rate =…

Q: Problem 11117 IR Spectrum quid Ne 4000 1738 3000 2000 1600 100 V (em') 1200 B00 B0 Mass Spectrum 60…

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Q: A plot of In[A] versus time (in seconds) for a First Order Reaction has the following trendline…

A: A numerical problem based on tools in analytical chemistry that is to be accomplished.

Q: HG. CH2 CI Ph HO.

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Q: of the solution. Predict the vapor pressure of a solution created by mixing 30.0g of Na2SO4 with…

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Q: If you replaced the aromatic phenols in the salen ligand with pyridines, do you expect the…

A: A question based on coordination compounds that is to be accomplished.

Q: Delta G0rxn for the reaction 3O2 --> 2O3 equals +163.2 kJ/mol at 25 degrees C. Find the equilibrium…

A: The free energy change of the reaction is = +163.2 kJ/mol = +163.2 x 1000 J The temperature of the…

Q: The following scheme is for: ö-H 10-H H,C-C-CH, + Ha H,C-c-CH,–Hỉ +ìār =1,C-C-CH, +H-C O Michael…

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Q: A sample of vapor weighing 0.368 g filled a Florence flask when heated in a water bath at 95.0°C.…

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Q: Show how to synthesize the following compound using any necessary reagents. All carbon atoms come…

A: GIVEN:-

Q: 3. Calculate AG° for the combustion of ethane 2C,Hale) + 702le) → 4CO2() + 6H,O) With the following…

A: Combustion can be defined as a chemical reaction between substances including oxygen and leads to…

Q: The enthalpy of vaporization of methanol (CH3OH) is 35.3 kJ/mol at the boiling point of 64.2 °C.…

A: The vaporization can be defined as phase transition from liquid phase to vapor phase.

Q: Ts ČOOET

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Q: Set up the rate expressions for the following reaction mechanism: A 2 B B +C 3 D If the…

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Q: GIVE THE BALANCED CHEMICAL EQUATION FOR THE FOLLOWING REACTIONS: 1. THE REACTION BETWEEN SOLID IRON…

A: Balanced chemical equation: Balanced chemical equation can be define as the reaction in which number…

Q: Which of the following could lead to a lowering of the melting point observed for a product? Select…

A: Option B, C and D are  correct answer.

Q: Experiment 1: Preparation and pH of Buffer Solutions Test Data: Mass of Sodium Acetate…

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Q: The temperature of a gas is heated from 20 K to 300 K, causing the volume to double. If the pressure…

A: We can use the ideal gas equation here. PV = nRT where P = Pressure V = Volume T = Temperature n =…

Q: Solid iodine, I2(s), has an enthalpy of sublimation ΔHsubl = 62.4 kJ mol-1. Suppose 5.36 g of iodine…

A: Here I2 (s) has enthalpy sublimation = 62.4 Kj/mol at 35°C. We have to determine entropy change if…

Q: Consider a molecule AB3, where both element A and B have 7 valence electrons. If the AEn for each…

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Q: Which of the following is true of London forces? 1. They decrease as the number of electrons in a…

A: London forces are the attraction forces between two atoms or molecules. These forces arises because…

Q: Please name the following alkanes (Spell out the full name of the compound) :) 1. refer to first…

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Q: The table below lists information about the radioactive decay of three nuclides. Fill in the missing…

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