Consider the reaction: 2 HI (g) = H2 (g) + l2 (g) Kc = 7.21 If at equilibrium the reaction vessel contains 1.20 M of H2 and 1.70 M 2, then what is the equilibrium concentration of HI?

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A: Given that liquid-X has a lower viscosity and lower surface tension than liquid-Y.

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A: Given: Concentration of NaOH = 0.1030 M Titration Volumes Trial 1 Trial 2 Trial 3 Acid Volume…

Q: te the pH c

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Q: 1) Consider this reaction: Pb + PbO2 + 2SO3 → 2PBSO4 AH°rxn = -775 kJ How much heat will be released…

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Q: there may be several correct answers Group-wide reaction to drugs of the tropane group: A. Zinke…

A: Correct option is C.

Q: A 5.18 g sample of aluminum, initially at 53.6 °C, is submerged into 25.1 g of ethanol at 18.5 °C in…

A: Given: Mass of Aluminium = 5.18 g  Initial temperature = 53.60C  Mass of ethanol = 25.1g

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A:

Q: Question 6 In ATR-FITR, an IR beam is directed onto an optically dense crystal with a high…

A: ATR-FITR stands for Fourier transform infrared spectroscopy - attenuated total reflectance.

Q: Which solution has the highest boiling point? O 0.40 M CUSO4 O 0.40 M CH3OH O 0.40 M MgCl2

A: We have to find here that which of these three has the highest boiling point? We can discuss it as…

Q: Consider the titration of 100.0 mL of 0.100 M H2NNH2 (Kb = 3.0 ✕ 10-6) by 0.200 M HNO3. Calculate…

A: Weak base and it's salt form buffer

Q: Draw the products of each acid-base reaction. a. + NaOH OH bmou

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

Q: For A → products, time and concentration data were collected and plotted as shown. [A] (M) t (s)…

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Q: You dilute 200. mL of 1.00 M HF to a final concentration of 0.200 M. What is the final volume of the…

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Q: out the chemical reaction between the acetic acid in the vinegar and the sodium bicarbonate in the…

A: Vinegar contains generally 4% acetic acid.

Q: Find energy in kJ of a photon. 2= 488 nm. The speed of light is 3.00 × 10° m/s and h = 6.63 × 10¬34…

A: given :-  wavelength = 488 nm  speed of light = 3.00 × 108 m/s  h = 6.63 × 10-34 J.s  To calculate…

Q: Several emergent properties of water contribute to the suitability of the environment for life. How…

A: The correct statements are : 2) The partial positive region of water molecules are attracted to…

Q: Determine the rise, run, and slope of the line formed by these points. rise: run: slope: What is the…

A: We have find out rise, run, slope and activation energy for the reaction.

Q: What ratio of CH;NH2 to CH;NH3* is needed to prepare a pH 9.70 buffer? (Kb for CH;NH, is 4.4 × 10-4)

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: Write a balanced equation for the formation reaction of each of the following substances: (а)…

A: Dear student, since you have asked multiple questions but according to guidelines we will solve 1st…

Q: H3C,,, + enantiomer CH3 H3C CI

A: ->First of all there occur elimination reaction in presence of base and alkene formed. -> Then…

Q: A photon of light has a frequency of 3.26 x 105 hertz. What is its wavelength? The speed of light is…

A:

Q: there may be several correct answers The formation of an azo dye is possible for drugs: A. Chinozol…

A: Correct option is B.

Q: In diffusion, which gas travels the furthest in 1 second? a) Hydrogen at 100 K b) Nitrogen at 200 K…

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Q: You have a bottle of 0.15 M H2CO3 a. Write the name of the compound ________________ b. If the…

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Q: What hazards should you know about when you work with 6MHCl and 0.5M CuSO4?

A: (a) 6M HCI Pungent odour, strongly corrosive (dangerous) to body tissue. Protection respiratory…

Q: 2. Dmitri Mendeleev - Great Minds 3. Dmitri Mendeleev and the Modern Periodic Table Ti-s0 Mn-55 Fes…

A: Given : We have to tell how Mendeleev arrange the elements in periodic table.

Q: Normal saline solution (the kind you receive intravenously for medical purposes) is made by…

A: Molarity is defined as the number of moles of solute present in 1 liter of solution.  Mathematically…

Q: why do we need spindle cide in viscometer ?

A: By the help of Spindle (an immersed element) The Viscometer rotates a sensing element which…

Q: In this following activity, use the pictures of each element and your research about the properties…

A: Given : We have to arrange the given compound in the group.

Q: Use the data given below to answer the next three questions. 2 N20 (g) + 3 02 (g) → 4 NO2 (g) AH° =…

A:

Q: 34. DETAILS Calcium hydride, Cat, reacts with water to form hydregen gas Caly(s) +2 H,O) - CatOHlaa)…

A:

Q: In using ATR-FTIR, liquid samples need no additional pressure because it is always in optimal…

A: Attenuated Total Reflection-Fourier Transform Infrared Spectroscopy (ATR-FTIR) is a technique that…

Q: Two kinetics trials are performed at the same temperature with [S2O82-] held constant. The first…

A: For a reaction of type aA+bB--->cC +dD Rate law is written as Rate = k[A]x[B]y where x and y are…

Q: 20. In the electrophilic aromatic substitution (EAS) of pyrrole, the preferred position of attack of…

A:

Q: High-pressure ATR is used to analyze very hard sample. O True O False

A: Option A is correct answer True.

Q: Why does the addition of bromine to fumaric acid require a high temperature for the reaction while…

A:

Q: Given AH°= +500 kJ/mol and the equilibrium constant, K = 1 x 10-10 , which of the following is…

A: In this question, we have to choose the correct option regarding the given data values.

Q: For Practice 8.3 - Enhanced with Feedback You may want to reference (Pages 320 - 324) Section 8.2…

A: Given - - > M1 = 3.50 M M2 = 0.850 M V1 =  100 ml V2 =? We known that, M1V1 = M2V2

Q: Gaseous butane (CH3(CH2), CH;) will react with gaseous oxygen (O2) to produce gaseous carbon dioxide…

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Q: A 0.245−mol sample of HX is dissolved in enough H2O to form 595.0 mL of solution. If the pH of the…

A: pH= 3.60

Q: Write out a balanced molecular and a net ionic equation, both with phase labels for the reaction…

A: The reactants given are magnesium sulfide i.e. MgS and hydrobromic acid i.e. HBr.

Q: Which azimuthal quantum numbers can exist for n = 3?

A: In this question, we have to write the azimuthal quantum numbers can exist for n = 3.

Q: Draw the major elimination product for the reaction of 2-bromo2-methylbutane with A) KOH B) KOtBu…

A: Ore hinderd base give less substituted alkene  and less hinderd base gives more substituted alkene

Q: A mixture of benzene and ethylene chloride obeys Raoult’s law accurately. At 50oC, their vapor…

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Q: A new potential heart medicine, code-named X-281, is being tested by a pharmaceutical company,…

A: Given: The acid concentration (Assuming it HA) = 0.092 M And the pH of the solution = 2.70

Q: Compound A reacts with CrO, in dilute acid to give 2,3-dimethylbutanoic acid. What is compound A…

A: Organic reactions are those in which organic reactant react to form organic products.

Q: 23. SYNTHESIS! Show how the two compounds below can be synthesized from benzene. You may use any…

A: Benzene undergo different types of electrophilic substitution reactions-  1- nitration 2-…

Q: 8.) What is the identity of the unknown gas if it effuses through an orifice 2.55 times faster than…

A: Z= PV/ nRT is known as compressibility factor...

Q: Given the following: 100g of HCl (37.7%) mass % of H2O in the bottle is 62.3%. Find molality and…

A: Given: Mass of HCl = 100 g. Mass percent of HCl = 37.7 % And mass percent of water = 62.3 %

Q: QUESTION 7 In the reaction: Co(s) + Cl2(g) - CoCl2(s), which chemical is the reducing agent?

A: