QUESTION 7 What is the concentration of NO 2 present when 0.100 M N 20 4 decomposes to NO 2 at -40°C? N 20 4 (g) = 2NO 2 (g) Kc = 1.2 x 10 -5 5.5 x 10-4 M 1.1 x 10-3 M x 10-6 M 3.5 x 10-3 M

Q: For the reaction below, Kc = 4.60 × 10. Note Kc is sometimes called K. What is the equilibrium…

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Q: What is the concentration of CO at equilibrium if the Kc = 2.6 x 10-2 and the [CO2] = 0.085 M?…

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Q: QUESTION 4 A mixture initially contains 0.710 M of A, 0.640 M of B and 0.536 M of C. At equilibrium,…

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Q: O Consider the following reversible reaction at equilibrium: C6H1206 (aq) + 6 02(g)=6 CO2(g) + 6…

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Q: If 0.100mL of N2O was dissolved in 900.0mL of CO2, what is the concentration in parts per million?…

A: Parts per million (ppm) :-  It is defined as the ratio of parts by volume of solute present in…

Q: The equilibrium constant for the reaction: N2O4 2 NO2 has a value of 4.88 x 10-3 mol/L at a…

A: It is given that for a reaction shown below, the equilibrium constant is 4.88×10-3 mol/L and the…

Q: physical chemistry, please solve question 8

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Q: At equilibrium, a 1.0 L reaction vessel contains 2.3 mol of Mg(OH), and 0.170 mol of OH. What is the…

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Q: em 5 Constar • Part A The concentration of Br in a sample of seawater is 3.3 - 10 M. If a liter of…

A: 1- First we will calculate the moles of Br- ion :  Molarity = [ moles / Volume ]  3.3 × 10-4 M = […

Q: Given the following equilibrium reaction: 2 KCI (s) + 3 0₂(g) 2 KCIO3(s) What is the concentration…

A: The given equilibrium reaction is .The equilibrium constant value is .To find the concentration of…

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A: GivenN2O4 (g)   ⇔ 2 NO2(g)Keq = NO22N2O4 = 0.212

Q: Select the terms that best apply to this reaction. Select all that apply: + I H₂ 2 Pt

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Q: QUESTION 11 Write the balanced chemical equation for the reaction of solid rubidium with water.…

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Q: For the reaction H₂(g) + 12(g) → 2 HI(g), Kc = 12.3 at some temperature T. If [H₂] = [1₂] = [HI] =…

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Q: 4. A chemist puts 0.090 mol of N2 (g and 0.0375 mol of 02 (g in a 1.5 L cylinder. If Keg is 4.2 x…

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Q: For the equilibriium shown below, list three things that you could do to increase the yield of the…

A: Le-Chatelier’s Principle states that if a system in equilibrium is subjected to change of…

Q: . Lead(II) iodide has a solubility product constant of 1.4 × 10-8. What is the concentration of I¯…

A: Given that: Solubility product constant of lead iodide(Ksp) = 1.4×10-8 It is sparingly soluble salt.…

Q: 0.795g of Na CO, ( 106 g/mol) was dissolved in 200 mt, of 0.0425 M HCL Calculate the molar…

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Q: K Write the formula for the "cg for the following reaction: Na+3H, 2 (e) *2 (e) - 2NH, *3 (e. )

A: Keq is the ratio of the equilibrium concentrations of product over equilibrium concentrations of…

Q: For the reaction below, Kc = 9.2 × 10 5. What is the equilibrium concentration of D if the reaction…

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Q: Question 1: 1: A + B → C  2: A + D  →  C + G +E 3: E + B  →   D + G  The catalyst in this…

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Q: O4 and the formation of the brown precipitate manganese dioxide, MnO2. OH + 2KMNO4 + 4H2O + 2MNO2 +…

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Q: What is the value for the reaction, Qc , for the reaction given below, if the concentration of NO2…

A: The expression of Qc is similar to equilibrium expression with difference that in equilibrium…

Q: chemist added 1.19 x 10-2 M of Pb3(AsO4)2(aq)  which is a common ion then what would be the…

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Q: Write the balanced dissociation equation for sodium acetate in aqueous solution. If it does not…

A: Sodium acetate completely dissociates in water.

Q: If the initial concentration of N,05 is 0.60 M, what is the concentration of N2O5] after 2.0 hours?…

A: Given,  Initial Concentration of N2O5, [A]0 = 0.60 M  Rate constant, k = 6.2x10-4 s-1  Time, t = 2…

Q: Q7: Calculate the mean activity coefficient as predicted by the Debye-Huckel Limiting Law (DHLL) for…

A: Question 7: Molarity of NaCl = 0.40 M Temperature = 298 K

Q: Question 26 If a 1.0 L flask is filled with 0.22 mol of N, and 0.22 mol of O, at 2000 °C, what is…

A: Given moles of N2 = 0.22 mol moles of O2 = 0.22 mol Kc = 0.10

Q: A E AA No Spacing Heading 2 I 6urpeaH Normal Text Box Shape Picture 31 6 E4. When glycerol…

A: The required equation is given below.