The equilibrium constant, Kc, for the following reaction is 1.80x10-2 at 698K. 2HI(g)H2(g) + I2(g) If an equilibrium mixture of the three gases in a 11.4 L container at 698K contains 0.447 mol of HI(g) and 0.320 mol of H2, the equilibrium concentration of I2 is M.

Q: Q77) Select all the methods that may generally be used to speed up a reac O Grinding a chunky solid ...

A: Methods used to speed up reaction:

Q: 74. What is the concentration of Ba" when BaF, (Kp = 1.0 x 10) begins to precipitate from a ds. solu...

A: 74. The solubility product ( Ksp ) of a sparingly soluble salt is defined as the product of the mola...

Q: For each of the element below write the full electron configuration and identify how many electrons ...

A: The electronic configuration of an element can be written by its atomic number. 

Q: What is a spectrophotometer used for in a cobalt chloride solution analysis

A:

Q: 5 [Mo(η6-c6h6)(η2-c2h4]- structure

A: Structure of 5[Mo(η6-C6H6)(η2-C2H4)]- = ? 

Q: Problem 1. How many sigma and pi bonds are present in this molecule of propylene? H Н. H H

A: The number of pi and sigma bonds can easily be determined by simply counting the number of single an...

Q: Calculate the voltage efficiency, η f c V , for a fuel cell operating at 0.65 V at standard conditio...

A:

Q: Based on the net reactions today, which of the following will be the limiting reagent? Starch O 12 S...

A:

Q: Complete the sentence with the correct phrase Fume hoods can Select the correct response.: shield yo...

A: This question is related to chemical laboratory safety measures. The main function of fume hood is t...

Q: An acetylene (C2H2) torch has two modes of operation. In the first mode, it is burned with air at an...

A: solution

Q: In a test tube with 0.3 mL of N-methylaniline, 5 mL of 10% NaOH, 0.4 mL of benzene sulfonyl chloride...

A: the solution is as follows:  

Q: 7. Each of the following synthesis will not produce the desired product. Explain the flaw in each sy...

A:

Q: 11) Which of the following is an isoelectronic series? A) 02-, F, Ne, Nat D) F-, C-, Br, l- B) S, a,...

A: Bond length is inversely proportional to the bond order. Bond order is directly proportional to the ...

Q: ETHANOL Sp.Gr.- 0.791 A cylindrical unknown solid material with a diameter of 10cm and a height of 3...

A: Given: Height of unknown cylinder = 30 cm = 0.3 m  Diameter of unknown cylinder = 10 cm = 0.1 m  We ...

Q: : A precipitate of PbI, is formed when 5 mL of 0.012 M Pb(NO,), is added to 5 mL of 0.030 M KI. it w...

A:

Q: rate

A:

Q: An equilibrium mixture of sulfur (IV) oxide and chlorine was dissolved in water to give 120 g of a s...

A: The equilibrium mixture of SO2 (sulfur (IV) oxide) and Cl2 reacts as:   SO2(g)+Cl2(g)↔SO2Cl2(g)     ...

Q: 67. What is the pH at which 0.01 M Co2 ions in solution just precipitate as Co(OH), ? Kp of Co(OH), ...

A: We have to find the pH at which Co+2 ion in solution precipitates

Q: Rank the following compounds in order of decreasing boiling point. Question List (6 items) (Drag and...

A: In the given question  there are six alkanes,  we have to rank boiling point from higher to lower. f...

Q: Use arrow pushing to explain the given reaction

A: In an organic reaction mechanism, a curved arrow represents the transfer of electrons. In an organic...

Q: What is the collision frequency for Cl, molecules in a sample of chlorine gas under the same conditi...

A: we are required to find the collision frequency of chlorine molecule under standard temperature and ...

Q: trical charge must pass through an electrolytic cell to reduce 0.44 mol Ca2+ ion to calcium metal? S...

A: Given, Ca2++2e-⇒Ca  

Q: Enumerate the different apparatus that may be usec to determine melting point. If you were the chemi...

A: Answer - According to the question - We know that - Melting point - The melting point of a substance...

Q: Predict the shape (molecular geometry) of the following molecules or ions by filling up the table be...

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simpl...

Q: Arrange the following bonds in order of decreasing ionic character. Pauling electronegativities (H =...

A: Percentage Ionic character  = 16 ( Electronegativity difference between the two atoms) + 3.5 ( Elect...

Q: Compare and contrast the pros and cons manometers. of using water manometer in reading pressures ins...

A: A question based on analytical process that is to be accomplished.

Q: Assuming that the sample optical path length is 1 cm, find the molar absorptivity at wavelength 1 fo...

A: In this question a sample consists of hmr and Mr which show respective absorbance values. Together a...

Q: Which of the following elements has the highest first ionization energy?

A: Ionisation energy: the amount of energy required to remove of an electron from a valency shell of  i...

Q: E) Attractive and repulsive forces between gas molecules are negligible. 7) The value of AH° for the...

A:

Q: Calorimetry: Question #3 Octane, C8H18 , is a constituent of gasoline, and burns in the presence of ...

A: The solution is as follows:  

Q: & pestle 15. Triangular file Can you perform the different experiments without the factory made appa...

A: Yes, different experiments can also be performed without the use of factory made apparatus and equip...

Q: Instructions: Explain the following items. 1. Some chemicals, like hydrogen peroxide, are prone to d...

A: How can you prevent photocalysis? Explanation is given below.

Q: The scattering of sunlight by the mixture of gas molecules in air results in the blue color of the s...

A:

Q: Hess's Law: Question #6 Use Hess's Law and the three reactions, below, to calculate the standard ent...

A:

Q: give the mechanism and resonance structures CH,CO,H H,SO,

A:

Q: Write the reagents/mechanisms/products of the following reactions. .COPH Weak base PHCHO (S)-proline...

A:

Q: Determine which solvent is best for distinguishing the following pairs of chemicals based on their a...

A: and Both of the compounds are capable of forming hydrogen bonds with water, hence have appreciably ...

Q: Propose a set of reactions to convert the starting material to the given product. COOH Br NO2

A: the aromatic compounds like benzene undergoes electrophilic substitution reactions. Some of them are...

Q: H2N' ONH3

A:

Q: The central atom hybridization is sp³d2 in . ., choose one. O SeF6 O BrF3 2- O NO3 BF4

A: The correct option is SeF6

Q: D) Mn 17) The F-B-F bond angle in the BF2 ion is approximately E) Mo A) 90° B) 109.5° C) 120° D) 180...

A: This question belong to Chemical bonding and molecular structure. Angle approach have used in questi...

Q: A fish company delivers 22 kg of salmon, 05.5 g of crab, and 300.48 mg of oysters to  your seafood r...

A: given, A fish company delivers 22 kg of salmon, 05.5 g of crab, and 300.48 mg of oysters to your sea...

Q: 2. A precipitate of PbI, is formed when 5 mL of 0.012 M Pb(NO,), is added to 5 mL of 0.030 M KI. It ...

A: Molarity of lead nitrate = 0.012 M Volume of lead nitrate = 5mL or 0.005 L Volume of KI = 5 mL or 0....

Q: 2) NazCO3(aq) + CaCl2(aq) → 2 NaCl(ag) + CaCO3(8) Calculate the volume (in mL) of 0.200 M Na2CO3 nee...

A: As CaCl2 is present in excess therefore, the amount of product formed depends only on the amount of ...

Q: 1. You will be separating a binary mixture in this experiment. What are the two compounds in the bin...

A: Since you have asked a question with multiple sub-parts, we will solve first three sub-parts for you...

Q: 6) Provide the structure of the major organic product in the reaction shown below. NaBH4 CH3 HOCH3

A: The structure of the major organic product in the given reaction = ? 

Q: Identify the reactants  2. State the name of the reaction 3. Explain why it's unfavorable through wo...

A: the answer is as follows:  

Q: Use heat of formation data from Appendix E to calculate the change in the standard heat of reaction ...

A: Given reaction is : ClO2 (g) + O (g) ⟶ ClO (g) + O2 (g) Calculate the change in the standard heat of...

Q: Match a row to a column * transition alkaline earth halogen alkali metal inert gas metal metal 1s*2 ...

A: Electronic configuration is the arrangement of electrons in the atomic orbitals

Q: 50.0 g of methanol (CH3OH, molecular mass = 32.04 g/mol) is dissolved to make 500.0 mL of solution. ...

A: Given, mass of methanol = 50 g          Molar mass of methanol = 32.04 g/mol         Volume of solut...