(9, The decomposition of a certain chemical X is found to be second order with respect to [X] and has a rate constant of 5.8 x 10* Ms. If the initial concentration of X is 0.86 M, what will be the concentration after 89 seconds? Show your work.

Q: Z'R where 2 is the atomic number. What wavelength of light in nanometers must be absorbed to promote...

A: Rydberg equation states that the wavelength of light absorbed to promote the electron from one shell...

Q: From the equation, what is the mass of NaOH when 5 g of Mg(OH)2 precipitates? What is its percent by...

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Q: Give the spectroscopic analysis and the structure of the product using the following

A: Spectroscopy is a branch of analytical chemistry that is based on interaction of compounds with elec...

Q: molarity

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Q: What is the strength of the ionic interactions between an ion with 1 positive charges and an ion wit...

A: According to Coulomb's law, force between two charges is given by 

Q: 5.

A: We have to write the conformation for the given Compound and to identify the very stable conformatio...

Q: Give two examples of how IR and 1H NMR could be used to assist analysis in everyday situations..

A: Answer is as follows

Q: 4. A mixture of gases is at equilibrium: C2H6 (g) → C2H4 (g) + H2 (g) ∆H = 136.94 kJ (a) Does the eq...

A: Le Chatelier's principle helps in prediction of direction of equilibrium. According to Le Chatelier'...

Q: Jumbled below are the steps to making a solution. Place the steps in the correct order (step 1 = 1, ...

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Q: Phosphorous pentachloride decomposes according to the reaction PCl5(g)↽−−⇀PCl3(g)+Cl2(g)PCl5⁢(g)⁢↽−...

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Q: Which one of the following nanoscale diagrams best depicts an aqueous solution of lithium carbonate?...

A: Lithium carbonate molecular formula is Li2CO3 , it's a ionic compound d so, whe  it dissolve in wate...

Q: Choose the compound with the most intense IR signal at ~1700 cm1. CI A В O A O B o o o

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Q: Wine goes bad soon after opening because the ethanol  CH3CH2OH  in it reacts with oxygen gas  O2  ...

A: Given,  Mass of O2 = 2.32 g  Molar mass of O2 = 32 g/mol  Molar mass of H2O = 18 g/mol

Q: How does the measure of the relative viscosity provide a measure of the transesterification process?...

A: Biodiesel is produced by transesterification of vegetable oils and animal fats. Produced biodiesel h...

Q: Which compound is the product of the following reaction sequence? Br2 Mg H+ PBr3 Mg 1. СО2 FeBr3 Et2...

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Q: calculate the change in enthalpy for Reaction 2. Reaction 1: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g),C3H8(g)...

A: Given Reaction 1: C3H8(g) + 5O2(g)→3CO2(g) + 4H2O(g)  ∆H1 = -2043 kJ mol-1 Reaction 2: 6C3H8(g) + 30...

Q: Lattice energies and electron affinities are very difficult to measure experimentally. Fairly reliab...

A: Given,  For calculation of election affinity of iodine, construct Born-Haber cycle for CaI2 based on...

Q: Draw the structure of the compound whose spectroscopy data follows: MS m/z (% relative abundance): 7...

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Q: A reaction has an activation energy of 15 kJ mol. The temperature of the reaction must be increased ...

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Q: When KHCO3 is dissolved in water, how many particles will be in solution? Выберите один ответ: а. 3 ...

A: Given question is :  When KHCO3 is dissolved in water, how many particles will be in solution ?  Opt...

Q: he weight (in mg) of an 80.0%(w/) sodium phosphate dihydrate reagent needed to prepare 800.0 mL of t...

A: Total volume of solution = 800 mL Density of solution = 1.00 g/mL Solution contains 5.68 ppm = 5.68 ...

Q: A. Binary lonic Monovalent Write the correct formula for each of the following: Ca3N2 Alz03 AgzS AIB...

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Q: When Na2CO3, NH4Cl, H4SiO4 are mixed in water, what reactions occur, which species exist. and What'...

A: The reaction that takes place. :

Q: 35.00 mL of a solution of KIO3 reacted with exactly 35.00 mL of a 0.1000 M solution of KI in acid me...

A: Volume of KIO3 = 35ml Concentration of KIO3 = to be calculated  Volume of KI = 35ml Concentration of...

Q: What is the product of the following reaction? heat .CO,Me MeO2C .CO2ME CO2ME CO,Me CO2M. or Ill

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Q: The heat capacity of a calorimeter is calibrated by adding 3.00 mL of water at 40.0°C to the calorim...

A: Heat is released by water at a higher temperature and absorbed by water at a lower temperature.  Hen...

Q: A system undergoes a transformation for which ASsys 0. The transformation will definitely be sponta...

A: Gibbs free energy : ΔG = ΔH - ΔS For a process to be spontaneous, ΔG < 0 ΔGsys < 0 ΔH -TΔSsys ...

Q: Same reaction as in Q1. H3PO4 Identify the nucleophile: H2PO4t- H20 H30* H3PO4 А В D E O A O B O E

A: The nucleophile in the given reaction = ? 

Q: C. A- 1. C'

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Q: HBr 410.0 HI 320.0

A: The diatomic molecules vibration frequency  is given as: γ=12π kfμ

Q: Propose an efficient synthesis for the ff. transformations: b

A: a) Transformation 1 -

Q: I want a mechanism (graduated oxidation) for every gamma and beta terpineol Two other terpineols are...

A: Terpenoids means natural product derived from C5 isoprene unit joined in head to tail fashion.

Q: 14C is a radioactive isotope of carbon, with a half-life of 5730 y. If a mastodon tusk contains 2.65...

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Q: write the electron configuration (complete and shorthand) and draw the orbital diagram of the follow...

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Q: Gaseous ethane (CH,CH,) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (CO,) ...

A: Number of moles = mass/molar mass  Mass = moles × molar mass  Molar mass of ethane = 30.0 g/mol  Mo...

Q: The first-order decomposition of a colored chemical species, X, into colorless products is monitored...

A: 1)  A = abc    or    c = A/ab                     = 0.6005×1031.0    = 1.20 × 10-4 M   2)   Using th...

Q: QL. Consider the following molecule: A B D At each atom, what is the hybridization and the bond angl...

A: Triple bond - sp hybridization - bond angle 180  Double bond - sp2 hybridization - bond angle 120  S...

Q: Chose all of the compounds that are aromatic? H H'OH HOH А В E O All of these compounds. O A, B and ...

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Q: ch molecular orbital (

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Q: The value of Kp for the reaction 2HCN (g) àß C2N2 (g) + H2 (g) is 0.17. If the initial partial press...

A: Given data : Initial partial pressures of H2 = 1.0 atm C2NH  = 1.0 atm  HCN = 2.0 atm.   

Q: Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium b...

A: given :- mass of HBr = 4.9 g               mass of NaOH = 1.3 g  To calculate :- theoretical yield o...

Q: moles

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Q: Complete and balance the following reaction(s) in molecular, ionic, and net ionic form showing the c...

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Q: Calculate the number of moles of Fe in 43.6 grams of Fe.

A: Given :- mass of Fe = 43.6 g  To be calculated :- number of moles of Fe 

Q: Select the TRUE statement(s) for the following electrochemical cell: Cu(s) | Cu(NO3)2(aq) || AgNO3(a...

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Q: in high preformance liquied chromarography, what is a Bi phenyl , and what its application and mechn...

A: Generally, C18 columns offer the ability to resolve a wide variety of analytes without issue. Howeve...

Q: Total volume ne of NaOH added (mL)

A: Molarity or concentration of acid is 0.10 M Molarity or concentration of NaOH is 0.05 M

Q: Arrange the following substances in order of increasing molar entropy at 25°C: Ne(g), SO2(g), Na(s),...

A: Entropy is a measurement of randomness or irregularities present in the system.  Here we see that th...

Q: Find the FALSE statement about the voltaic cell based on the two reduction half- reactions shown bel...

A: For this , we would first write a complete cell reaction . For this we would select cathode and anod...

Q: A major component of gasoline is octane (CH8). When octane is burned in air, it chemically reacts wi...

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