Hydrogen iodide decomposes according to the equation: 2HI(g)  H 2(g) + I 2(g), K c = 0.0156 at 400ºC A 0.660 mol sample of HI was injected into a 2.00 L reaction vessel held at 400ºC. Calculate the concentration of H 2 equilibrium.     None of the above     0.013 M     0.073 M     0.053 M     0.033 M

Q: Worksheet #9 1- Calculate the pressure in atmospheres corresponding to a) 743.9 torr b) 125 mmHg

A: Given, Calculate the pressure in atmosphere, a) 743.9 torr b) 125 mmHg Note:  760 torr = 1 atm 760 m...

Q: Photosynthesis in plants converts carbon dioxide and water into glucose (C,H1206) and oxygen accordi...

A: Dear student,  Since you have posted multiple questions, the answer for first question is given belo...

Q: Lewis structure name of highlighted group H H .. H C -О — Н - н н

A:

Q: i) Balance the equation below for the formation of one mole of ammonia, NH3, from its elements.     ...

A: Mean Bond energy of H-H = 436 kJ/mol Mean Bond energy of C-C = 348 kJ/mol Mean Bond energy of N-N = ...

Q: Determine the molecular formula of the compound with an empirical formula of CH and a molar mass of ...

A: Given:- Determine the molecular formula of the compound with an empirical formula of CH and a molar ...

Q: Determine the average and standard deviation for the following set of numbers. 45.6g, 52.1g, and...

A: Solution - According to the question - Given  number - 45.6g, 52.1g, and 53.8g  Average = (45.6 + 52...

Q: Solid aluminum (Al)and oxygen (0,) gas react to form solid aluminum oxide (Al,0,). Suppose you have ...

A: Limiting reagent is the reagent which controls the reaction. When total amount of limiting reagent i...

Q: ОН Br HO НО

A: The conversion of the reactant into a Grignard reagent followed by the addition of acetone results t...

Q: 1) HCI (1 eq.) F) Br CI 2) HBr (1 eq.) Major Minor Br G) EIOH Diene Dienophile CO,Me H) Нeat CO,Me A...

A:

Q: For an exothermic solution, which of the following statements is true? A) The solute will be more so...

A:

Q: e acid (A), the base (B), the conjugate acid (CA

A:

Q: Mixing a weak acid ( HA ) with which of the following will produce a buffer ? КОН KCI HCIO NH3

A: Given acid is HA

Q: Aqueous hydrochloric acid (HC1) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium ...

A:

Q: What can be said about the IR spectrum below? What functional groups can be observed in the compound...

A: Infrared spectroscopy is an analytical technique that is used for structural elucidation of the comp...

Q: 1. Given the following rate law: rate =k[CHCI;][Clz]/2. a. Write the reaction order with respect to ...

A: The relation between the concentration of the reactants and the rate of reaction is expressed by the...

Q: Vhat is the pOH of a 0.20 M NH4CI solution ? Kp for NH3 is 1.8 x 10-5. O11.28 O 2.72 9.02 4.98

A:

Q: 1.Carbon's atomic number is six. What does that tell us about any carbon atom?  2. How is the term ...

A: Carbon has atomic number six this tells that carbon atom has six protons present in it and six elect...

Q: Which of the following describes the final major product of the reaction of 2-propanone with excess ...

A: Carbonyl compound (aldehyde and ketone) reacts with an alcohol to form hemiacetal in the presence of...

Q: This question is based on the five compounds (A-E) given below. CH;-CH=CH-CH3 (B) (C) (A) CHCI=CHBR ...

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

Q: A shell fossil that originally contained 100 mg of carbon-14 non contains 75 mg of the isotope. Dete...

A: Initial amount, [A]0 = 100 mg  Final amount, [A] = 75 mg  Half-life, t1/2 = 5570 years 

Q: The correct way to write the isotopes 2Na, AI, Kr, 19r in hyphenated form is sodium-24, aluminum-29,...

A: The correct answer about hyphen notations are given below

Q: Liquid hexane (CH; (CH,),CH;) reacts with gaseous oxygen gas (02) to produce gaseous carbon dioxide ...

A: Weight of hexane = 20.7 gm Weight of O2 = 67.9 gm  

Q: Write the Ka (acid ionization equilibrium constant) expression for the ionization of HC3H5O2 in wate...

A:

Q: Write T if the statement is true and F it is false.

A: 5)  Typically, if we have pure product from a reaction, percent yields are understandably less than ...

Q: For the following two compounds, the given names do not correctly follow IUPAC naming conventions. F...

A:

Q: 51.0 g of Y(g) (molar mass = 28.32 g/mol) is placed in a 0.617 L flask for the following reaction to...

A:

Q: Consider five solutions that all contain 10 g of solute in 100 mL of solution. Which has the lowest ...

A: The lowest concentration of ions among them is given below

Q: Solve for n. 5m+9n d n =

A: Answer: This question is based on the general understanding of rules to change the equation from one...

Q: How much heat will be released when 4.72g of carbon reacts with excess O2 according to the following...

A:

Q: Which molecule below contains an alcohol and a cycloalkane? OH OH ОН Н.

A: Cycloalkane are those which are cyclic saturated hydrocarbon. Minimum carbon required for formation ...

Q: empirical formula f

A:

Q: Hydrogen (H,) gas and oxygen (o,) gas react to form water (H,O) vapor. Suppose you have 5.0 mol of H...

A: This problem can be solved by using limiting and excess reagent concept

Q: A solution of H2S had a pH of 10.01. What was the [OH-]?

A:

Q: What are the types of radiation emitted by the nuclei of radioactive elements? A) Helium nuclei B) B...

A:

Q: ections: Balance the chemical equation below and complete its mole ratio on the table below. _C3H8 C...

A: C3H8 + 5O2 ----> 3CO2 + 4H2O  

Q: Identify the oxidizing agent in the following reaction:   8 H+ + IO4- + 8 Ru2+ → 4 H2O + 8 Ru3+ + ...

A: The oxidizing agent in the above reaction is given below

Q: 1) HCI (1 eq.) F) Br CI 2) HBr (1 еq) Major Minor Br G) ELOH Diene Dienophile CO,Me H) Нeat CO,Me AI...

A:

Q: What is the name of the sugar shown here? OH OH O L-xylose O D-xylose O D-erythrose O L-erythrose O ...

A: To identify the name for given Sugar.

Q: Question 3- - Use MO theory to explain the following: Zp, 2p. 2p, 2p, 2p. 2p, 2p, 2p. 2p, Zp, 2p. 2p...

A:

Q: How does the equilibrium change if more chlorine, Cl,, is added to the reaction? The equilibrium shi...

A:

Q: The pH of a solution containing 0,1 M of a weak acid HA is 6. Calculate Ka for this acid. O 1.0 x 10...

A: Let HA is a weak acid whose concentration is 0.1 M and pH is 6 and the dissociation constant is Ka. ...

Q: An atomic absorption method for the determination of the amount of iron present in used jet engine o...

A: The confidence interval CI is given by the following equation., Here, z is the value for the confid...

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

A:

Q: Calculate ∆H for the reaction 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g), from the following data. 1. N...

A: 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g) 1. N2 (g) + O2 (g) → 2NO (g) , ∆H = -180.5 kJ 2. N2 (g) + 3H...

Q: Aqueous hydrochloric acid (HC1) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium ...

A: Given data : Mass of HCl = 20.0 g Molar mass of HCl = 36.46 g/mol Mass of NaOH = 12.3 g Molar mass o...

Q: i. The ionization energy of fluorine (F) is ~1700 kJ/mol, while the ionization energy of difluorine ...

A: 1.Above diagram on right side is applicable for fluorine gas.  In fluorine (F) the HOMO( highest occ...

Q: The Ka for HF is 7.0 x 10-4. Kh for the fluoride ion is O 1.6 x 103 O 1.4 x 10-11 O 7.0 x 10-18 O 2....

A: Ka is the acid dissociation constant and Kb is the base dissociation constant.  Higher value of Ka i...

Q: Consider the reaction, N204(g) = 2 NO2(g) where the value for Ke is 1.7 x 10-6. The initial concentr...

A: Given Reaction:-  N2O4(g)  <------> 2NO2(g)  Kc =  1.7 × 10-6  

Q: A chemist determines by measurements that 0.095 moles of bromine liquid participate in a chemical re...

A:

Q: Phosphoric acid, which is commonly used as rust inhibitor, food additive and etching agent for denta...

A: GIVEN:-