Carbon dioxide dissociates to form carbon monoxide.

a. Write down the balanced stoichiometric equation representing the complete dissociation of CO2 to CO

b. determine the equilibrium constant for this reaction at 2000 K

c. Write down the balanced stoichiometric equation when 25% of CO2 has disassociated into CO

d. What is the value of the equilibrium constant when this occurs i.e., when 25% of CO2 has disassociated into CO at 1 bar?

e. At what temperature (approximately) does this occur

f. explain if the complete dissociation of CO2 to CO is an endothermic or exothermic reaction.

g. Finally, determine the enthalpy of this reaction at standard conditions to verify if the complete dissociation of CO2 to CO is endothermic or exothermic

State two major differences between sequential reactions and double-displacement multi-substrate reactions.

You are titrating 50 ml. of nitrous acid with sodium hydroxide (0.15 M). Equivalence is reached at 22.0 ml of NaOH delivered. Calculate the pH of the solution in the flask: - before the beginning of the titration - after the delivery of 5 ml. of titrant - at half$equivalence - at equivalence -after delivery of 23 ml. of titrant. -------------Give detail Show ALL WORK, UNITS and use ICE/reaction table and ML (no millimoles). Please be clear in how you get numbers for everything like the reaction table... I've asked this before and have gotten incomplete answers.

1. Electrolytic reactions, like other chemical reactions, are not 100% efficient. In a copper purification apparatus depositing Cu from a CuSO4 solution, operation for 5.47 hours at a constant current of 5.45 A deposits 29.2 g of Cu metal. What is the efficiency?

b) How long would it take to electroplate all the Zn²⁺ in 0.280 L of 0.210 M ZnSO₄ solution with a current of 2.35 A?

please answer both A and B

1. Please explain why “noncompetitive inhibition”- where it is observed experimentally- is more likely to be a coincidence than a reveal of something profound in the mechanism of an enzyme (in contrast to competitive and uncompetitive inhibition).

Please show all work!

Balance the following reaction in a basic solution:

Ag(s)+Zn^2+(aq)--->Ag2O(aq)+Zn(s)

Use the following half-reactions to write three spontaneous reactions, and calculate E cell for each reaction:

a. Au⁺ (aq) + e^- ----> Au (s) E= 1.69 V

b. N₂O (g) + 2H⁺ (aq) + 2 e^- ----> N₂ (g) + H2O (l) E= 1.77 V

c. Cr³⁺ (aq) + 3e^- ---> Cr (s) E= -0.74 V

What do you understand by " hydrated ions" ? Give examples of hydrated ions and explain at least one hydrated ion's sturcture and formation.

1.) For the chemical reaction 2 Al + 3 H 2 SO 4 ⟶ 3 H 2 + Al 2 ( SO 4 ) 3 what mass of hydrogen is produced from 1.97 mol of aluminum?

2.) Convert 1.77×1024 atoms of carbon to moles of carbon.

1.77×1024 atoms=

3.)

Consider the combustion reaction for octane (C8H18), which is a primary component of gasoline.

2C8H18+25O2⟶16CO2+18H2O

How many moles of CO2 are emitted into the atmosphere when 17.1 g C8H18 is burned?

4.) For the reaction

2KI+Pb(NO3)2⟶PbI2+2KNO3how many grams of lead(II) iodide, PbI₂, are produced from 89.7 g of potassium iodide, KI?

5.)For the reaction

2NaOH+H2SO4⟶Na2SO4+2H2O

how many grams of sulfuric acid, H₂SO₄, are needed to react completely with 33.1 g of sodium hydroxide, NaOH?

PLEASE HELP...

Calculate the value of deltaG for the reaction

Si3N4 + 3O2 = 3 SiO2(alpha-quartz) + 2 N2

at 800 K. What percentage error occurs if it is assumed that deltaCp for the

reaction is zero?

The vapor pressure of chloroform (CHCl3) is 173 mm Hg at 25 °C. What is the vapor pressure of a solution consisting of 268 g of chloroform and 0.129 mol of a nonvolatile nonelectrolyte?

At the extreme limits (high and low end) of the plot of pH vs. log([HPO42-]/[H2PO4-]), the data points may appear as though they are leveling off. Think about the [HPO42-]/[H2PO4-] ratio at the extreme limits and explain why this leveling off occurs. (There is one other answer on Chegg but I do not understand the logic of that response) Thank you!

Research Question: How to determine the quantity of polyphenol oxidase in apple juice?

Over the course of the semester, we studied several techniques (spectrophotometry, acid-base titrations, redox experiments) to answer questions related to quantification and identification of compounds, kinetics of chemical reactions,and equilibrium constants. With some background research, write a researchable question that could be answered with one or more of the techniques used during the semester.Write a research plan to answer the question. The plan does not have to be a detailed step by step procedure, but an overview of the experiment including controls and how you would “work up” the data to answer your question.