What metal ion is responsible for the red firework? Justify your answer.

Q: Substantiate the following: (i). Cyclopentadienyl anion is stable (ii) Cyclopropenyl cation is stabl...

A: Rules For Aromaticity Molecule must be cyclic. Every atom in the ring must be conjugated. Molecule ...

Q: 26. The chemical reaction below is an example of what type of reaction: Mg(s) + H2SO4(aq)→ MGSO4(aq)...

A: Mg(s) + H2SO4(aq) ---> MgSO4(aq) + H2(s)  

Q: A solution consisting of 0.0050M Cu(NO3)2 and 0.0100 M EDTA at pH 6 is placed in a cell with a Cu wi...

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

Q: Bé sure to answer all parts. Consider the reaction X+ Y-Z Initial Rate of Disappearance of [X] (M) [...

A: Solution -

Q: 2. A 0.8102-g sample of impure Al,(CO3)3 decomposed with HCI; the liberated CO, was collected in CaO...

A:

Q: Identify the molecular partition function for a molecule that has three energy levels with energies ...

A: Molecular partition function q = ∑gie−Ei/kT  q = goe−Eo/kT + g1e−E1/kT + g2e−E2/kT

Q: Enter your answer in the provided box. The reaction 2A → B is first order in A with a rate constant ...

A:

Q: How much heat is removed from the condensation of water at 25 °C? Given: S° H2O (1) = 69.9 J/mol·K a...

A: In condensation gas become liquid ∆S = Sproduct - Sreactant  ∆S =  69.9 J/ mol K - 188.7 J/ mol K ∆S...

Q: 1. The Chemical structure of 5-Bromo-4-Chloro-1- methylcyclohexene is А. Вr CI В. Вг CI С. Вг Br. D....

A:

Q: 17. In the given reaction: Hzig) + Izg) = 2Hlg) Ke= 47.2 at 500'C. If the initial concentrations are...

A: Given [H2] = [I2] = 0.250 M Kc = 47.2

Q: 1,4-dimethylcyclohex-1-ene with BH3, H;O2, OH 4-methylpent-2-ene with mCPBA, H;O, H*

A: Given reactions are :  And  Give the product of the following compounds = ? 

Q: The initial pH of a 2M arginine solution is 14. What is the predominant structure of arginine in sol...

A: At pH = 14 , arginine exists in completely deprotonated form .

Q: 9. The % w/w of I- in a 0.2144-g sample was determined by Volhard titration. After adding 50.00 mL o...

A: A kind of back titration method which is used for the identification and determination of concentrat...

Q: If a rock contains 75% lead 206 (Pb206) and 25% uranium 238 (U238), how old is the rock? Explain ho...

A: The question is from radioactive Series. Uranium -238is a radioactive element that converts to pb-20...

Q: Q2 At 291 K, the equivalent conductivities at infinite dilution of HCI, NaCl and CH3COONA are 369.3,...

A: First we will calculate equivalent conductivity at infinite dilution of CH3COOH. Using degree of dis...

Q: *. In the temperature, concentration oc surfaco area were increased in the following scenario, hypot...

A: We know that according to le chatlier principle when we change anything at equilibrium in that case ...

Q: CH3CH2CH2CH2CH2CH2COH  CH3CH2CH2CH2CH2COOH CH3CH2CH2CH2CH2CH2CHCH2 CH3CH2CH2CH2CH2CH2CH2OH a) Whi...

A:

Q: if the pH at one half the first and second equivalence points of a dibasic acid is 4.80 and 7.34, re...

A:

Q: 1. What is physical change? A chemical change?|

A: As you didn't asked for a particular question number I'm giving you answer of first question. Please...

Q: Answer the following questions: 1. Why do liquids assume different shapes on the surface of the wax...

A: As per the guideline, since you have asked multiple questions, we have solved the first question for...

Q: 3. Predict which one is more stable (i.e., has the larger dissociation energy) and explain your answ...

A:

Q: Fill up the empty boxes with the correct chemical structures. HO. NOH

A: In the given reaction the alcohol is converted into oxime and the number of carbon atoms is increase...

Q: Use both the ideal gas equation and the van der Waals equation to calculate the pressure exerted by...

A:

Q: What is the compound name of the skeletal structure below?

A:

Q: The chiral hydroxyl compound P, C7H14O contains a five-membered ring and shows positive result in io...

A: This question is related to finding out the structures of unknown compounds involving specific type ...

Q: On which of these quantities does the rate constant of a reaction depend: concentration of reactants...

A:

Q: What molar ratio of salt to acid would be required to prepare a buffer solution with a pH of 5.9? Th...

A: Since you have asked multiple question, as per our company guidelines we are supposed to answer the ...

Q: 14c. c. What is the value of Kc at the given temperature? 4.60 x 10-8 2.96 x 10-8 1.78 x 10-8 8.80 x...

A:

Q: A solution is prepared by dissolving 20.2 mL of methanol CH4O in 100 mL of water at 25 °C. The final...

A: We are given:   Volume of methanol, VCH3OH= 20.2 mL Volume of water, VH2O= 100.0 mL Volume of methan...

Q: predict the products for the following reaction and propose an electron pushing mechanism

A: The Baeyer-Villiger Oxidation is the oxidative cleavage of a carbon-carbon bond adjacent to a carbon...

Q: Consider the following endothermic reaction at 345.0 °C HBr (g) = > H2 (g) + Bi2 (g) Kp=4.18×10^-9 A...

A: Equilibrium constant in terms of partial pressure ( Kp ) is the ratio of partial pressures of produc...

Q: Which of the following glycosidic linkage is found in maltose? *   A. Glucose (a1-2B) Fructose B. Gl...

A: Glycosidic linkage is the linkage between two monosaccharide units through oxygen atoms with the los...

Q: Solve it asap

A: Suppose a solution contains 0.28 M Pb2+ and 0.50 M Al3+ . Calculate the pH range that would allow Al...

Q: 10.55 Using tabulated thermodynamic data, calculate AG° for these reactions. (a) Fe(s) + 2 HCl(g)→ F...

A:

Q: What volume of a 0.470M HCl reacted with enough Zn metal to produce 1.50 g ZnC12 based on the follow...

A: Given mass of ZnCl2 = 1.50 gram Molar mass of ZnCl2 = 136.39 g/mol  

Q: A 50.0 mg sample was dissolved in acid and then diluted to a total volume of 50.00 mL. If 1.000 mL o...

A: In spectrophotometric measurements of analyte concentration, measured absorbance related to the conc...

Q: The half-equivalence point of a titration occurs half way to the equivalence point, where half of th...

A: Given :  1. Moles of monoprotic acid = 0.540 mole 2. Ka = 1.7 × 10-5   

Q: Calculate the vapor pressure of a solution made by dissolving 82.4 g of urea (molar mass = 60.06 g/m...

A:

Q: 12. What is the percent yield of CO2 if 15.7 grams of CO, are formed from the reaction of 100.4 g of...

A: 12. Solution - According to the question - Given - Reaction : Fe3O4 + 4CO ----> 3Fe + 4CO2   Mole...

Q: How many proof gallons are contained in 8 gallons of 60 proof alcohol?

A: The strength of alcohol is expressed as degrees proof. According to US system, Proof spirit is 50 % ...

Q: this is a witiig lab. starting agents are 9-anthracene-carboxaldehyde and benzyltriphenylphosphorium...

A:

Q: Under certain conditions the rate of this reaction is zero order in dinitrogen monoxide with a rate ...

A: Given-> 2N2O(g) ---> 2N2(g) + O2(g)  Rate constant (K) = 0.0013 M.s-1 Volume = 3.0L Initial Mo...

Q: 6. A buffer is prepared by adding 20.0 g of sodium acetate (CH3COONa) to 500 mL of a 0.150 M acetic ...

A:

Q: Fill up the empty boxes with the correct chemical structures.

A: Interpretation- We have to fill the empty boxes with the correct chemical structures -      Introduc...

Q: CI A D F G H

A:

Q: (w/w)

A:

Q: A 0.8382 g sample of an organic compound was burned in a stream of oxygen, and the carbon dioxide pr...

A:

Q: Convert 1.5 x 1023 molecules SO2 to moles.

A:

Q: Chemistry Write structural formulas for reactions! Bromocresol green+NaHCO3= 1) Br Br H,C CH HQ + Na...

A: A chemical formula which shows the arrangement of atoms of the molecular structure.