1. Calculate Ke for each of the following reactions I₂ (9) 2 I (g) a. b. CH4 (9)+ H₂O (9) CO (g) K₂ = 6.26 x 10-22 at 298 K + 3 H₂ (9) K₂= 7.7 x 1024 at 298 K

Q: Which of the reactions are exothermic?

A:

Q: The action of some commercial drain cleaners is based on the following reaction: 2 NaOH(s) + 2…

A: we have to calculate the volume of hydrogen gas produced

Q: Calculate the value for the cell potential, Ecell, and the free energy, AG, for the given…

A: The half-reactions are: Oxidation half-reaction(Anode): 2Mn2+ + 8H2O → 2MnO4- + 16H+ + 10e- ;…

Q: Student Q prepared 50.0 mL of a buffer solution using 0.50 moles of HA and 0.50 moles of A- while…

A:

Q: Predict which test tube (A, B, or C) will glow the longest. Briefly explain your reasoning.

A: Solutions- There are three test tubes A, B, and C.

Q: Consider the balanced reaction scheme for this experiment. O sulfuric acid O sodium bromide H₂SO4…

A: we have to determine the limiting reagent

Q: Which of the following combinations will result in a precipitate? SELECT ALL THAT ARE INSOLUBLE Pb²+…

A: An ionic compound does not dissociate completely in an aqueous solution known as a weak electrolyte…

Q: How many liters of water should be added to 305 mL of 12.7 M X to create a solution of 1.0 M X?

A: Given- Initial concentration= 12.7M Final concentration= 1.0M Initial volume= 305 mL

Q: Draw a crystal field splitting diagram for each complex a. [Fe(ox)3] ^3–  b.  [Cu(ox)2] ^2– Hint…

A:

Q: For the reaction below, Kc = 1.10 × 10⁻⁸. Note Kc is sometimes called K. What is the equilibrium…

A: Given : equilibrium reaction Tip : honh2 is a weak base , so apply approximation

Q: Ammonia will decompose into nitrogen and hydrogen at high temperature. An industrial chemist…

A:

Q: For a given electrolyte: Concentration = 0.01 M & g = 0.898 Concentration = 0.05 M & g = 0.800 What…

A:

Q: ow many grams of boric acid are needed to prepare 500 mL of an isotonic boric acid eye wash?

A: Answer : E value of Boric acid  = 0.52 to prepare isotonic solution 0.9 % w/v NaCl equivalent…

Q: At 298 K, Kc = 7.2 × 106 for the reaction: CO(g) + Cl2(g) ⇌ COCl2(g) When pure 1.5 M COCl2…

A: Given: Kc = 7.2 × 106  Initial concentration of COCl2 = 1.5 M

Q: Alkyl Halides: Substitution reaction with bromomethane and CH3NH2 ▼ Part A Draw the product formed…

A: Alkyl halide reacts with ammonia to form a primary amine. Alkyl halide reacts with a primary amine…

Q: Which of the reactions are exothermic? 2 Mg(s) + O₂(g) →→→ 2 MgO(s) NH3(g) + HCl(g) →→→ NH Cl(s)…

A: For exothermic reaction ∆H is negative and for endothermic reaction ∆H is positive

Q: What is enriching Uranium? Why is uranium-235 used instead of the more common isotope uranium-238?

A: Uranium(U) is a silvery-white metallic with the atomic number 92.

Q: 2. Rydberg Equation. The energy emitted when an electron moves from a higher energy state to a lower…

A: we have to determine which of the given transitions emits lesser energy

Q: d-Base Equilibria and a Strong Base sed to indicate the hydrogen ion plution: H--log[H+] water, in…

A: Note- Since the given question is a multiple question,  hence I solved first question according to…

Q: When the following equation is balanced properly under acidic conditions, what are the coefficients…

A: Redox reaction are the reaction in which oxidation and reduction takes place simultaneously.…

Q: An HDI of 3 is consistent with this structure. O True O False CH₂

A: We are given the compound toluene, C7H8. We need to check whether this compound has Hydrogen…

Q: Explain why we use acids or bases to help chemical reactions take place. You should think about…

A: Acids are proton-rich species or electron-deficient species that accept electrons during a chemical…

Q: Draw the major product of this elimination. Consider regiochemistry and stereochemistry. Ignore…

A:

Q: What volume in liters of fluorine gas is needed to form 867 L of sulfur hexafluoride gas if the…

A:

Q: [Review Topics] [References] Calculate the [OH] of each of the following solutions at 25°C. Identify…

A:

Q: Draw the major and minor products of the E2 elimination shown below. Ignore any inorganic…

A: Given : structure of reactant Tip : beta hydrogen removes in E2 elimination

Q: Calculate the solubility of Co (OH)2 in water at 25 °C. You'll find Kp data in the ALEKS Data tab.…

A: Answer:- This question is answered by using the simple concept of calculation of solubility of a…

Q: Question 20 of 23 > Balance the chemical equation for the reaction of BaCl, and Na₂SO4. chemical…

A:

Q: 1A H2A Li Be 1B 2B 3A 4A 5A 6A 7A He BC N O F Ne Al Si P S Cl Ar Na Mg 3B 4B 5B 6B 7B8B K Ca Sc Ti V…

A:

Q: In the laboratory, a general chemistry student measured the pH of a 0.590 M aqueous solution of…

A: Given data :  Concentration of hypochlorus acid = 0.590 M  pH of solution = 3.829  To determine the…

Q: Green light has a wavelength of 5.2 x 10² nm. a What is the energy, in joules, of one photon of…

A:

Q: The value of K, for formic acid, HCOOH, IS 1.80x104. Write the equation for the reaction that goes…

A:

Q: The amino acid arginine has an approximate molar mass of 174 g/mole. If the percent composition is…

A:

Q: Does neutral mean there are no acids or bases present? Can a neutral solution have hydronium or…

A: Acid : Acid is the substance which can donate proton (H+) to other substances in aqueous medium.…

Q: AN = 3 Li: 1s22s¹ Li w/octet: 1s 11 3p 2p w/ octet "looks like" this noble gas: AN = 4 Be: 1s22s² Be…

A: Noble gas electronic configuration  The electronic configuration where noble gas symbol of element…

Q: H3C CH3 H3C. Br + HO-CH3

A: The given reaction can be explained as:

Q: Which of the below structures are identical? a. Br, C. H₂O Br e. Br NH. H₂C H₂O OH NH3 Structure I…

A:

Q: A buffer solution contains and 0.486 M CH3NH2 (m Determine the pH change is added to 1.00 L of the b…

A:

Q: Step 2: Draw the product of Br, and FeBr3. Select Draw Rings More Erase

A:

Q: A balloon contains 0.76 mol N2, 0.18 mol O2, 0.031 mol He and 0.026 mol H2 at 739 mm Hg. What is the…

A:

Q: How many liters of NH3 can be produced at 11 atm and 24 °C from a 3 g sample of nitrogen gas and an…

A: First we need to calculate the moles of nitrogen from given mass. Then using the mole ratio, we can…

Q: Draw the product of the reaction shown below. Use wedge and dash bonds to indicate relative…

A:

Q: Which set of coefficients properly balances the following chemical equation?  ___K 3PO 4  +…

A: Answer: 2,3,1,6

Q: The solubility of Ni(OH)2 in water at 25 °C is measured to be 4.9 × 10-4. Use this information to…

A:

Q: Question 19 of 23 > obtained when 6.75 mol FeO reacts with an excess of CO? Macmillan Learning FeO +…

A: Given -> 1-> FeO  + CO -----> Fe + CO2 mole of FeO = 6.75 mole  2->  6HCl + 2Al ---->…

Q: STARTING AMOUNT X How many moles of NH, gas form when 32.4 L of H₂ gas completely reacts at STP…

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is…

Q: Which of the following gives the correct numbers of protons, neutrons, and electrons in a neutral…

A: Answer - 50 protons, 68 neutrons, 50 electrons    Atomic number of Sn = 50 Mass number of Sn = 118…

Q: $ 4 The value of K, for hypochlorous acid, HCIO, is 3.50x10-8. Write the equation for the reaction…

A:

Q: 1. Consider the reaction shown below. Calculate the equilibrium pressure of CO₂ in the system at the…

A:

Q: Water hardens experiment: Results: Sample A: 426.3 ppm Sample B: 18.9 ppm Sample C: 354.9 ppm Based…

A: Water hardness of Sample A: 426.3 ppm Sample B: 18.9 ppm Sample C: 354.9 ppm 1) Tap water: As the…