Which one is smaller?    Mg or Sr

Q: exothermic processes?

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Q: Effect of analyte polarity on the Rf of an analyte on silica TLC. a) Which is more polar, benzoic…

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Q: 15. Which of the following is a key intermediate for the reaction in the box? 1. 2 CH,LI CH3 OCH3 2…

A: Ester with 2 moles of organolithium reagent after hydrolysis gives tertiary alcohol.

Q: Calculate the Enthalpy of change in Kj/mol and % difference in the neutralization reaction below:…

A: The balanced neutralization reaction is: HNO2(aq) + NH3(aq)  ----> N2(g) + 2H2O(l) ; ∆Hrxn = -…

Q: Match the half-life to the rate constant assuming that the initial conce k = 0.5 M/s k = 0.5/ (M s)…

A: A) k = 0.5 M/s From the unit of rate constant, it is zero order reaction.  half life = Ao/2k   =…

Q: 14. Which element has the greatest electron affinity (most negative AE)? a) Na or S b) Sr or Ba

A: Electron affinity is defined as the energy released when an electron is added to valence shell of an…

Q: 9. Which of the following cannot be synthesized by reaction of organolithium or organomagnesium…

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Q: grams of iron are needed?

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Q: 26. Which of the following is an important intermediate of the reaction sequence shown in the box?…

A: ->gilmann reagent ((CH3)2CuLi) give Michael addition reaction when reacts with alpha-beta…

Q: Which atom is smaller?

A: Given ; H and He

Q: With reference to the following reaction scheme: LIAIH4 Et,NH HCI (cat.) A C3H180 B C12H25N Me Но…

A: We have to draw the structures of the compounds A-D.

Q: 4. Show how to transform the compound on the left into the compound on the right. Several steps will…

A: Reaction : 1- pentyne reaction with sodamide and ethyl iodide.  Reaction : 3-heptyne reaction with…

Q: Which has lower boiling point. And what type of isomers are they

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Q: 28. What is the major product of the reaction in the box?n EtO OEt 1, NaOH, H2O 2. HCI, H20 HEAT A)…

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Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into…

A: Given: 154 KJ amount of heat flows into the system during the reaction. And the position does 364 KJ…

Q: At constant volume, the heat of combustion of a particular compou (molar mass = 162.47 g/mol) was…

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Q: The root-mean-square speed of a gas at -83.62°C is 271.66 m s^-1. what is the molar mass of the…

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Q: 16. The combustion of cyclopropane is as follows: Known bond strengths (KJ/mole) C-H 413 C=0 799 O-H…

A: ∆Hrxn can be calculated u sing bond energies.  For this we count number of moles of each bond broken…

Q: Calculate the mass in grams of zinc that will deposit on a metal washer if a current of 25.0 A is…

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Q: Draw the starting alkene that would lead to this the major product (and its enantiomer) under these…

A: The Starting Alkene that would lead to final product is given below

Q: A solution is prepared by dissolving 15.0 g of NH3 in 250.0 g of water. If The density of the…

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Q: Question Which of the following has the potential to change the equilibrium in a reaction involving…

A: All the given options here are correct, all the options given here has the potential to change the…

Q: 4. Will a precipitate form when 80,0 mL. of 2.00 x 102 M Cu(NO.)) and 20.0 mL of 2.00 x 10" M NalO,…

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Q: the molarity of

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Q: 4. The reaction 2NO(g) + Ozlg) - 2NO:lg) has the following rate law: Rate - kjO:||NO]2. If the…

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Q: Page 2. In a combustion reaction, acetylene (C2H2) burns with oxygen. 2CH2+ 502 4CO2+ 2H2O How many…

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

Q: On hot days, you may have noticed that potato chip bags seem to “inflate” even though they…

A: Given,  The volume of bag inside the gas station is 250. mL and car which has a temperature of 60.5…

Q: 9. I2 + Cl03 IO3 + Cl" (acidic) 10. MnO4 + NH3 → MnO2 (s) + NO; (basic) 11. Mg (s) + ReO4 Mg* + Re…

A: Here we have to balance the given ionic equation in acidic medium  and in basic medium . We can…

Q: What is the maximum [CO1 that can exist in a 1.8 x 10 M AGNOS solution?

A: The Ag+ ions coming from both AgNO3 and Ag2CO3 are to be considered for the calculation. As shown…

Q: Which of the following set of quantum numbers would not be allowed? n = 3, l = 2, ml =1 n = 3, l =…

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Q: 3D %3D 3D Draw one of the two enantiomers of the major product from this reaction. Use wedge and…

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Q: increasing oxidizing power.

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Q: Name the two ways that remove the most carbon dioxide from the atmosphere.  Carbon dioxide combines…

A: The two ways of removing carbon dioxide is by a)Photosynthesis b)Carbon dioxide dissolves in surface…

Q: N204 + heat = 2 NO2 s. decrease pressure t. remove N½O4 Back to LeChatelier tutorial

A: S). Le chatelier principal says that reaction resist the change in equilibrium , means reaction will…

Q: 4min. What is the order of the reaction rst econd ero mpossible to determine

A: As we know,  Half life is directly proportional to initial concentration raised to power (1-n) As,…

Q: 200 172 kJ 160 155 kJ PE (kJ) 120 112 kJ 102 kJ 80 40 o- 40 kJ Reaction Progress

A: Chemical kinetics

Q: The volume of 0.65 mol of an ideal gas at 365 torr and 97 °C in liters will be

A: Given :  No.of moles of an ideal gas = 0.65 mol  Temperature = 97oC  Pressure = 365 torr  To…

Q: The value of ΔE in kJ, for a system that does 213 kJ of work on its surroundings and loses 79 kJ of…

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Q: Calculate the number of moles of water from mass of water loss: (molar mass of water= 18.0153 g/mol)…

A: The experiment data is given above.

Q: gas collected at an unknown pressure has a volume of 5.98 L.  The pressure is adjusted to…

A: Given- V1=5.98L  V2=1560mL=1.560L  P2=1atm P1=?

Q: 16. The combustion of cyclopropane is as follows: Known bond strengths (KJ/mole) C-H 413 C=0 799 O-H…

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Q: What is the pH of a 2.12.1 M solution of HClO4?

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Q: Calculate the pH of a 0.125 M solution of KN3 at 25°C. Ka for HN3 is 2.5 x 105

A: Given data,Molarity of KN3=0.125 MKa of HN3=2.5×10-5

Q: Page < 9. Ammonia (NH3) and oxygen react to form nitrogen and water. 4NH3+ 302 – 2N2+ 6H2O a) How…

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Q: phosphorus atoms

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Q: 1. What is name of the starting material for the reaction sequence shown in the box? CH3 NaOH, H20…

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Q: C) 30. In the presence of a nucleophile, which of the following will undergo conjugate addition?…

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Q: Consider the titration of formic acid, HCHO, with barium hydroxide. (a) Write a balanced net ionic…

A: Given: Titration of HCOOH with Ba(OH)2.

Q: How can a fractionating column be prepared from a standard distillation column? Select one: Pack…

A: The fractionating column is fitted above the distillation flask containing the mixture of liquids to…

Q: mass in grams of Fe₃O₄

A: