Calculate the change in enthalpy for the reaction between NaHCO3 and C6H8O7 given these conditions:  Weight of NaHCO3 = 4.0690g Volume of 1.5M C6H8O7 = 30.0mL qrxn = +1300J ti = 21.9oC     tf = 13.0oC     delta t = -8.9oC

Q: 2. Approximately 0.40 hectare of rainforest are capable of absorbing 1000 kg of CO2. Given that the…

A: T = 310K  P = 1atm  Amount of CO2 = 350kg  Molar mass of CO2 = 44.01g/mol R = gas constant = 0.0821…

Q: Photobromination of cinnamic acid to dibromocinnamic acid was carried out in blue light of…

A: According to the question we have, The wavelength of blue light = 440 nm Light intensity is = 1.5 ×…

Q: At altitudes much greater than 30 km, photochemical decomposition of dinitrogen produces the…

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Q: Complete and balance the following equations, and identify the oxidizing and reducing agents: MnO4…

A: Redox reaction- the reaction in which oxidation and reduction takes place simultaneously called as…

Q: Explain how oxalic acid is removed in adsorption process by activated charcoal in industry . Explain…

A: The force acting on the surface of any liquid due to the accumulation of its constituent particles…

Q: Would the reaction of magnesium, mg with oxygen be more or less vigorous than Al?

A: Yes the reaction of Magnesium with oxygen will be more vigorously than Reaction of Alminium with…

Q: The following Latimer potential diagram shows bromine species under acidic conditions a) Identify…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: The reaction between hydrazine (N,H) and dinitrogen tetroxide (N,O4) in their liquid forms is used…

A:

Q: lon-ion potential energy for Ca2+ and Cl ions separated by 15 pm in aqueous solution (ɛ= 78) is…

A: Given that: The charges are separated by a distance, r = 15 pm = 15×10-12 m ( as 1 pm = 10-12 m) The…

Q: Atomic Br is more efficient at catalytically destroying ozone than atomic Cl in the stratosphere due…

A: There are some statements ,we have to tell which are incorrect or false amoung the above statements.

Q: A solution is prepared by dissolving 3 x 10-³ mol PbI2 in 1L of hot water. Calculate the reaction…

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Q: Calculate the enthalpy of reaction (AH,xn) for the following reaction: P+Q X+Y Given: X-P+RAH=88,1…

A: Hess’s law states that when chemical equations are combined algebraically, their enthalpies can be…

Q: FeO

A: ∆H°rxn = [ ∆H°f(Fe2O3) ] - [ ∆H°f(FeO) + ∆H°f(Fe) + ∆H°f(O2) ]  ∆H°rxn = [ -822.16 kJmol-1 ] - […

Q: Hydrofluoric acid etches glass by reacting with the silica in it according to the following…

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Q: Gibbs Free Energy for Nonspontaneous Reactions and Reactions at Equilibrium Consider the given…

A: Ellingham diagram is graph of standard free energy change versus temperature.  More is the negative…

Q: The burning of iron pyrites (Fes.) in air may be e> FeS2 + 02 -> Fe203 + SO2

A: The given unbalanced reaction is: FeS2+O2→Fe2O3+SO2 The completely balanced form of the above…

Q: Calculate the enthalpy of synthesizing hydrogen iodide to from hydrogen and iodine. 12(s) + H2(g) →…

A: Enthalpy of reaction is  calculated as difference in enthalpy  of products and enthalpy of…

Q: why does enrgy have to be supplied to a chemical in order to break the IMFs between the molecules in…

A: In any chemical reaction reactants are converted into products.

Q: Calculate how many grams of CO2 can be released as a result of thermal decomposition of a 1.204 gram…

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Q: What is the electron transfer of C8H18+O2=CO2+H2O

A: The total number of electrons transferred during a redox reaction is derived by separating a redox…

Q: Around 15 g of Ba(NO3)2 can be dissolved in water. Calculate from that the Ksp for Ba(NO3)2

A: Ksp represents the solubility product constant which can be calculated with the help of known value…

Q: The space shuttle orbiter utilizes the oxidation of methyl- hydrazine by dinitrogen tetroxide for…

A: Calculate enthalpy of the given reaction by using appendix in the question-

Q: The equilibrium constant for the disproportionation copper(I) shown below is 1.81 x 106. If the…

A: The reaction for the disproportionation of Cu+ is given as;

Q: (b) Neat Et2Zn is pyrophoric and spontaneously ignites in air. Can you explain why this would…

A: Neat diethyl zinc Et2Zn is liquid in form and it is a pyrophoric material.  A pyrophoric material is…

Q: 9. ing Grignard reag OH OH

A: NOTE:  please note for first and second questions experimental procedure was required.   The…

Q: 1. Calculate the heat evolved when 13.56g of oxygen gas (O2) is used to burn  white phosphorus at…

A: 1) Given, P4(s) + 5O2(g) → P4O10(s), ΔH = -3013 kJ/mol ∆H is in negative (-) which indicate the…

Q: Do you expect DH (the change in enthalpy) to be positive or negative for the reaction involving the…

A: An extensive property that measures the heat involved in any reaction is the enthalpy change (dH).…

Q: lodine is used as a disinfectant for cleaning surfaces and storage containers and is used in skin…

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Q: Write the balanced chemical equation for the reaction between iodate and bisulfite. Does the order…

A: The reaction between iodate and bisulfite in acid medium produces iodine. Solutions A (iodate) and B…

Q: As discussed in class, the Haber-Bosch process for ammonia production proceeds via the reaction,…

A: The reaction given is, Given: Both entropy change and the enthalpy change is not changing between…

Q: 4 calculate the enthalpy change of decomposition of k2O2 to k2O. the ionic radii given for k+ is 138…

A: Both K2O & K2O2 are ionic compounds. It is necessary to calculate the lattice enthalpies of…

Q: Calculate the amount of activated charcoal needed to make 1 mol of Alizarin Yellow R. Assume one…

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Q: Pyrite (FeS2) can be leached by oxygen in sulfuric acid solution to form ferric sulfate. Write the…

A: A balanced reaction is the reaction in which equal number of atoms are present on both the sides of…

Q: What is meant by the term ‘pyrometallurgy’?

A: A process that is used for the extraction of metals in their pure form is known as metallurgy.…

Q: Explain the Merrifield method ?

A: Amino acids are linked each other by peptide bonds. Peptide bonds are amide bonds, in which carbonyl…

Q: The Haber process 8 Consider the diagram of the Haber process below. Assign the labels below the…

A: Haber process : it is the industrial process for large scale production of ammonia . In this process…

Q: Calculate Eº for the process PbI6) + e- → (s) + e > Pbs) + 21,

A: Given reaction is :  PbI2 + e- <---------> Pb (s) + 2I2  Find standard cell potential = E0 = ?…

Q: Complete and balance the following equations, and identify the oxidizing and reducing agents: MnO4…

A: To balance the below redox reaction in the basic medium. MnO4−+Br−→MnO2+BrO3−

Q: Formation constant and Gibbs free energy For the complex formation reaction where Mis any metal and…

A:

Q: Gibbs free energy of the formation of one mole of pure TiO2 (s) from pure Ti (s) and pure oxygen gas…

A: Solution Gibbs free energy, additionally referred to as the Josiah Willard Gibbs operate, Josiah…

Q: 17. The colour change that would occur when V2O5 is changed to VH2 is O yellow to purple O green to…

A: 17. V5+ = yellow V2+ = purple The colour change is yellow to purple.

Q: The standard enthalpy of decomposition of the yellow complex NH3SO2 into NH3 and SO2 is +40 kJ…

A: The decomposition reaction is,                                 NH3SO2   -----> NH3 (g)  + SO2 (g)…

Q: Given the thermodynamic data in the table below, calculate the equilibrium constant (at 298 K) for…

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Q: Calculate the amount of heat absorbed when 100 gaf NO, deomposeit 0 r), N2O3 = 136.02 g/mol 2N,Os…

A: Interpretation-  To determine the amount of heat absorbed  when 10.0 g of N2O5 decomposes into NO2…

Q: From the data at 25°C: O₂(g) → 20(g) AH° = 118.318 kcal Fe(s) Fe(g) AH = 96.68 kcal → The heat of…

A: Enthalpy of formation is defined as the change in enthalpy when one mole of a compound is formed…

Q: Aside from EDTA, enumerate (5) important chelating agents in the field of Medical Technology.

A: Chelating agents:  Chelating agents are molecules that have the ability to form more than one bond…