Hydrogen gas and iodine react to form hydrogen iodide via the reaction    H2(g)+I2(g)⇌2HI(g)    A mixture of H2 and I2 was maintained at 740 K until the system reached equilibrium. The equilibrium mixture contained 1.37 × 10−2 M HI, 6.47 × 10−3 M H2, and 5.94 × 10−4 M I2. Calculate Keq for this reaction.

Q: balloon has a volume of 500mL and a pressure of 105 kPa. If the pressure decreased to 95.5 kPa, what…

A: Boyle's law states that at constant temperature for a mixed mass of gas, the pressure of the gas is…

Q: ) A patient visits your pharmacy with a prescription for 200g Betnovate (betamethasone valerate)…

A: Given that -  Prescribed Betnovate mass by patient = 200 g  Weight percent of prescribed Betnovate =…

Q: write the balanced formula, complete ionic, and net ionic equations for each of the (Be sure to…

A: please find the below attachments.     Please rate helpful.   Thank you

Q: This is the chemical formula for nickel tetracarbonyl (a powerfully poisonous liquid used in nickel…

A:

Q: S₂02 +31-2SO²- + 13 R = K[S₂0²-][1-] Trial [S₂0,2], (M) [1], (M) Initial Rate (M/s) 1 0.018 0.036…

A: What is the rate constant for the reaction given the rate law and data ?

Q: For the reaction below, identify the acid, the base, the conjugate acid, and the conjugate base.…

A:

Q: If a field was sprayed with 2.5 x 104 g DDT per acre, how many years would it be for the…

A: Given the initial amount of DDT, No = 2.5*104 g  Final amount after time "t", N = 50.0 g

Q: what would be the volume in liters of 85.5 grams of carbon monoxide at stop

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Time (s) [D] (M) 2D + E → D₂E 0 5.00 100 4.35 The reaction above is second-order in reactant D and…

A: Given reaction: 2D + E → D2E It is given that the reaction is second-order in reactant D. We have to…

Q: Choose the INCORRECT statement. o Gibbs energy is defined by: G = H - TS. o If AG <0, the process is…

A: Given statements are : a. Gibbs energy is defined by : G = H - TS  b. If ΔG &lt; 0, the process is…

Q: The colour indicator is present in the solution in: .A Molecular form .B ionic form (In-) .C Both .D

A: The colour indicator is present in the solution in:

Q: Consider a voltaic cell at 25°C consisting of a Co(s) electrode immersed in a 1.0 M Co(NO3)2…

A: Given :  [Co(NO3)2] = 1.0 M  [Al(NO3)3] = 1.0 M

Q: Propane can be turned into hydrogen by the two-step reforming process. In the first step, propane…

A:

Q: :The entropy of a reversible process is .A Sf = Si .B Sf>Si .C Sf < Si

A:

Q: What is the thermodynamic equilibrium constant expression, K, for the reaction below? CaCO3(s)…

A: Given-&gt; CaCO3 (s) &lt;-----&gt; CaO(s) + CO2(g) T = 25°C = 25 + 273 = 298 K

Q: NH₂ 1) Acetone/ -H₂0 2) CH₂(CO₂Et), NaOCH; O A B. C. D EtO₂C N C) -CO₂Et -CO₂Et B) CO₂Et CO₂Et CO₂EI…

A: In this question, we will draw the structure of the major product after reaction between reactant…

Q: Two of most unique elements on the periodic table are hydrogen and helium. What makes them so unique…

A: In modern periodic table hydrogen is placed in period 1 and group 1. In modern periodic table helium…

Q: Calculate the pressure differential of water across the surface of a spherical droplet of radius 240…

A: We  will use the formula for pressure differential for a liquid drop:

Q: You have 2.50 g of each of the following elements: Ca, Cu, Cs, C, and Cr. Which sample contains the…

A: We have to select the sample with largest number of atoms

Q: 43. What is the cell diagram? O None of the given. O Ag(s) | Ag+(aq) || Fe³+ (aq), Fe²+ (aq) | Fe(s)…

A:

Q: C. A possible mechanism for this reaction involves two steps: NO₂(g) + NO2(g) -> NO3(g) + NO(g) slow…

A: (a) Yes, this proposed mechanism is consistent with the experimentally determined rate law,…

Q: (iii) At a temperature of 300 °C the free Gibbs energy is 25.0 kJ mol-¹. Calculate the equilibrium…

A:

Q: I. Assign oxidation state to the underlined element. 1) Ch 2) SO₂ 3) K₂02 4) Cr₂07-² 5) Na₂O2 6)…

A: Given,4. Cr2O72-5. Na2O26. Na2S2O3Required,                   Oxidation state to the underlined…

Q: How do you identify a meta compounds? For example, why is it 1,3-dibromobenzene and not…

A: By NMR spectroscopy, a meta compound can be detected.

Q: 9. Calculate the pressure differential of water across the surface of a spherical droplet of radius…

A:

Q: 6 S Cr₂O3 Base RX 4 KNO3 H₂SO4 carbonyl punodwoo HCI/Zn 2 3

A: The main substrate we have is 1H-indole-2,3-dione, commonly known as isatin. The structure of isatin…

Q: 5) n-pentane burns with 56.8% excess air. What is the operating air-fuel mass ratio Hint: First find…

A:

Q: Calculate q, w, Delta E, and Delta G for this process?

A: PA = 12.0 atm  VA = 10.00 L

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.00 kg sample…

A: Given,  Mass of the substance in kg = 1.00 kg  Initial temperature = Ti = 54.4 0C  Final temperature…

Q: Calculate the concentration of free Ca²⁺ in a solution of 0.10 M CaY²⁻ at pH 10.00. (K= 5.0 × 10¹⁰)…

A: 0.10 M CaY2- solution has a concentration of 0.10 M at pH 10.00 .We have to calculate the…

Q: (A) Cl2, H2O (B) H2O, H2SO G (4) HCl, H2SO4 (D) H2O, Hoot 애

A:

Q: 3:45 Chemistry of Medicine, LC1: Predicting Products Summative Assessment Task: For each of the…

A:

Q: What is the product for the following reaction? 1) Sia₂BH 2) H₂O₂/NaOH LOH OH

A:

Q: he work performed or done in Carnot hea :engine is .A Minimum .B Maximum .C Medium

A: In Carnot heat engine, the conversion of heat into work occurs with the maximum efficiency.

Q: If 47.1 g of C₂H5OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A:

Q: Which solvent below is apolar? CH3 H₂C-CN Acetonitrile Toluene 1 N.N-Dimethylformamide (DMF) III HẠC…

A: The covalent bond is formed by the sharing of electrons between the atoms.

Q: all IM HCI/ Which compound would go into which layer and why? 3. Draw the structure of caffeine and…

A:

Q: 11. Outline the synthetic steps necessary to carry out the conversions below. You may use any…

A:

Q: 3. Design a retrosynthetic and a synthetic scheme for the following compounds (choose only one…

A:

Q: An unknown compound has the following chemical formula: C₂Fx where x stands for a whole number.…

A:

Q: 5. Surface excess of the compounds that have surface activity is: 7,-0 b) l'₁ 0 d) r>0 only above…

A: The solution is given below -

Q: standard

A:

Q: Doesn't N have 5 valence electrons or did do that incorrectly?

A:

Q: 5. Predict the shift in equilibrium (to the right or to the left) un- der the following conditions…

A: Given reaction: CaF2 (s) ⇌ Ca2+ (aq) + 2F- (aq) + heat We have to predict the shift in equilibrium…

Q: Explain in detail the term 'solubility product,' Ksp. Use the calcium carbonate found in the…

A:

Q: c. A possible mechanism for this reaction involves two steps: NO2(g) + NO2(g) - NO3(g) + NO(g) slow…

A: All answers are shown below.

Q: Br u

A: For IUPAC naming following steps are required-&gt; Identify the longest carbon chain containing…

Q: If You Know That a specific Solution inside acell whose width is (1 cm) and The molar absorption…

A:

Q: Hz(g) + I2(g) → 2HI(g) • ΔΗ > 0

A: As given in question formation of hydrogen iodide is endothermic reaction and change in moles of…

Q: Distillation is best done at what speed? a) Very fast to avoid loss of material b) The rate of…

A: Distillation is a technique in which the mixture of non-reacting liquids can be separated. In…