If you observe the following reaction at equilibrium, is it possible to tell whether the reaction started with pure NO2 or with pure N2O4? Explain. 2 NO2 (g) ⇌ N2O4 (g) NO2 is brown in color, N2O4 is colorless.

Q: What is the chemical equation representing the titration reaction?

A: A) As here , acid is HCl and base is NaOH , and both are strong in nature , so the reaction they wil...

Q: Vhich of the following conditions is acidic? [H30*] = 1.4 x 10 -11 А. [H3O*] = 7.2 x 10 -3 В. С. [OH...

A: pH = -log [H3O+] pOH = -log [OH-]  pH = 14 - pOH  When pH < 7 , acidic solution pH = 7, neutral s...

Q: How many mols of HCI are in 3 liters of 2.0M HCI solution? O 6.0 O 2.0 O 1.5 0.66

A:

Q: 15. Using the standard enthalpies of formation for the chemicals involved, calculate the enthalpy ch...

A:

Q: Methodology: Make an schematic diagram for the procedure below

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A: The chemical reaction includes reactants and products.

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A: Given : We have to calculate the vapor pressure of solution.

Q: How many total optical isomers would exist for the compound shown below?

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Q: Using solubility products, which of the following salts is the most soluble, in terms of moles per l...

A: Given,  The highest molar solubility containing compound in given list of compounds is:

Q: 1. Given the molar mass is 78.0 g/mol, what is the molecular formula of the hydrocarbon?

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

Q: 5. The pKa of acetic acid (HA) is approximately 4.8. If a solution of acetic acid is brought to pH =...

A:

Q: Examples: CCO, + HNO, → Zn(NO,)2 + Na,PO, → Practice: AGNO, + NaCI > HCI + AGNO, → Na,SO, + BaCl, →

A: Given :-  CaCO3 + HNO3 →  Zn(NO3)2 + Na3PO4 →  AgNO3 + NaCl →  HCl + AgNO3 →  Na2SO4 + BaCl2 →  ----...

Q: The gas inside a syringe at 298 K occupies a volume of 8.2 mL. What volume (in mL) will the gas occu...

A: Given :-  Initial volume = 8.2 mL  Initial temperature = 298 K  Final temperature = 322 K  To calcul...

Q: 4. Suppose 5 mL of 1.5 M ethylene diamine is added to 50 mL of 0.15 M Ni solution in an identical ca...

A:

Q: In radical chlorination of alkanes, non-equivalent hydrogens react with chlorine atoms at different ...

A: Reactivity order: Primary < Secondary < Tertiary  

Q: If atmospheric pressure is 0.985 atm and the water vapor is 17.5 mm Hg, what is the pressure of the ...

A: We have to calculate the pressure of gas collected.  

Q: If tripling the concentration of a single reactant Rin a multi-reactant reaction (while leaving all ...

A: Rate = k [R]x

Q: Is the AS positive or negative for the following reaction 02(g) + 1/2 02(g) → 03(g) O AS doesn't cha...

A: We have to predict the sign of change of entropy.  

Q: For doubly ionized lithium (only one electron left), what is the wavelength of the emitted photon as...

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Q: When AH is positive and AS is negative, the reaction is nonspontaneous at all temperatures True Fals...

A: Given :-  Statement : when ∆H is positive and ∆S is negative, the reaction is nonspontaneous at all ...

Q: What is the kinetic energy of 45-Kg object moving at the speed of 7.0 m/s ? 1150 J 1400 J 1100 J 130...

A:

Q: The rate constant for the first-order decomposition of N205 in the reaction 2 N205(g) → 4 NO2(g) + O...

A: 2N2O5(g) ----> 4NO2(g) + O2(g)  

Q: State why the reaction between acetone and 2-pentanone would not be a good method to prepare 2-methy...

A:

Q: MIxing 50 ml of HCI ( 2.0 M) with 50 ml of NaOH(2.0 M ) raises the temperature of the calorimeter fr...

A: NaOH + HCl = NaCl + H2O

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A: Note : As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost...

Q: don’t understand the first part of the question with the: “You need 2 moles of magnesium…” How do I ...

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Q: What is the pH of a solution that is made by dissolving 5.58 g CH3NH3CL in enough water to create 0....

A: Given mass of CH3NH3Cl = 5.58 g  Volume of water = 0.441 L  What is the pH of the solution = ?   

Q: 7.50 g of NHANO3 is dissolved in 100.0 g water. The temperature is measured, and you are able to cal...

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Q: Vancomycin, as shown in the figure contains all the proteinogenic amino acids and sugar moieties

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Q: sample gas has a pressure of 756 mmHg in a 125 mL flask. The sample gas is transferred to a new cont...

A: P1 = 756 mmHg V1 = 125 ml P2 = 642 mmHg

Q: Calculate the pH of a solution that contains 0.10 M ammonium hydrochloride and 0.010 M HCl

A: GIVEN:- Calculate the pH of a solution that contains 0.10 M ammonium hydrochloride and 0.010 M HCl [...

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Q: 2-methylbutane and 2,2-dimethyIpropane are isomeric hydrocarbons with the molecular formula C5H12 a)...

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Q: Calculate the pH of a solution that is made by dissolving 5.54 g NH4NO3 in enough water to create 0....

A: First to calculate morality Then to calculate degree of dissociation.  Then to calculate pH.   

Q: If a sample of helium gas has a volume of 120 mL and a pressure of 850 mmHg, what is the new volume ...

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Q: Please show the reaction and NAME THE ESTER FORMED for the following: 1) Valeric acid + n-pentyl alc...

A: Since we know that ester formation with the help of acid and alcohol in acidic medium...here OH of a...

Q: 9. A compound with a molar mass of 42.08 g/mol is found out to be 85.64% C and 14.36 % H by mass. Fi...

A: given, mass percentage of C = 85.64 mass percentage of H =14.36  

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

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Q: 10. What is the equilibrium constant expression for the reaction below? * C(s) + co;(g) + 2 CI-(9) +...

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Q: The acid dissociation constant K, of hypobromous acid (HB1O) is 2.3 x 10. Calculate the pH of a 1.8 ...

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Q: 21.Which is the Bronsted base in the equation? N2H4 + H2O = N2H5 + OH А. N2H5 В. OH С. N2H4 O D. H20

A:

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Q: the ionization constant for HCN is 4.5 x 10^-10. what is the pH of a 0.43 molar solution of sodium c...

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Q: What is the compound of this IR Spectrum

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Q: AS=- 2550 J/mole.K, at what erature range would this on be spontaneous?

A: Given  , □H = 150 kJ/mol □S = -2550 J/K For Spontaneousreaction,  □G <0    □G = □H - T □S (□H - T...

Q: A solution contains 1.13x10-2 M ammonium sulfide and 1.43x10-2 M potasslum hydroxide. Solid cobalt(I...

A: