??2 (?) + ?2 (?) ⇋ ??3 (?) + ?2? (?) ?? = 1.23 × 10−3...
??2 (?) + ?2 (?) ⇋ ??3 (?) + ?2? (?) ?? = 1.23 × 10−3 at 534℃ ; 92.0 g ??2 (?) , 27,0 g ?2?(?) and 25,5 g ??3 (?) putting in a 750,0 mL balloon
What is the mole fraction of ?2? (?) in equilibrium?
Homework Answers
![2 NO2 + 7 H2 2NH₂ + 4H₂O ko = [NH 3] ² [H2074 [NO₂] ² [H2]7 92 g Moles of NO2 - molar mass - 46 g/mol - = 279 = 2 mol moles o](http://img.homeworklib.com/questions/313490e0-cc70-11ea-b6b8-c17c2da78da2.png?x-oss-process=image/resize,w_560)
1)The mole fraction of chromium(II) sulfate, CrSO4, in an aqueous solution is 5.61×10-2 . The percent...
1)The mole fraction of chromium(II) sulfate, CrSO4, in an aqueous solution is 5.61×10-2 . The percent by mass of chromium(II) sulfate in the solution is %. 2) An aqueous solution is 40.0 % by mass hydrochloric acid, HCl, and has a density of 1.20 g/mL. The mole fraction of hydrochloric acid in the solution is . 3)An aqueous solution is 40.0 % by mass potassium bromide, KBr, and has a density of 1.37 g/mL. The mole fraction of potassium bromide in the...
The equilibrium constant for the reaction N2(g) +O2(g) =2 NO (g) is 1.69 x 10-3 at...
The equilibrium constant for the reaction N2(g) +O2(g) =2 NO (g) is 1.69 x 10-3 at 2300 K. A mixture consisting of 5 g of nitrogen and 2 g of oxygen in a container of volume 1 dm3 is heated to 2300 K and allowed to come to equilibrium. Calculate the mole fraction of NO at equilibrium (Note: this is a process that happens all the time when running an engine that heats air. NO is always produced when heating...
Given the reactions 2D(6) A() Kc1 = 51.3 and B(g) +D(E)=E Kc2 = 1.23 x 10...
Given the reactions 2D(6) A() Kc1 = 51.3 and B(g) +D(E)=E Kc2 = 1.23 x 10 determine the equilibrium constant for the reaction A(g) + 2 B(6)- 2 E(E) K3 =? 8.34 x 10 6.31 x 10- 1.20 x 10-5 2.95 x 10-10
1. If I double the temperature (in K) of a balloon, the volume of the balloon a) doubles b) halves c) stays the sam...
1. If I double the temperature (in K) of a balloon, the volume of the balloon a) doubles b) halves c) stays the same 2. If I mix 3.0 mol of N2(g), 2.0 mol of Cl2(g), 4.0 mol of O2lg) and 1.0 mol of H2(g), what is the mole fraction of O2(g)? If the total pressure is 2.00 atm, what is the partial pressure of O2(g)? (Hint-the answer for mole fraction of O2(g) and the answer for partial pressure of...
1) 2) 3) 4) 5) Determine the volume of H 25 (at 375 K and 1.4...
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2)
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Determine the volume of H 25 (at 375 K and 1.4 atm) needed to produce 55.0 g of S. Assume that there is excess SO 2 present. 2 H 25(e) + SO 2() - 3 S(s) + 2 H 20(g) We were unable to transcribe this imageDetermine the mass of water formed when 12.5L NH 3 (at 298 K and 1.50 atm) is reacted with 17.77 L of Oz (at 323 K and 1.1 atm)....
4. [201 At 500 K, we have the data of standard enthalpy of formation and standard...
4. [201 At 500 K, we have the data of standard enthalpy of formation and standard entropy of formation as follows: AH° (kJ/mol) AfSe (J/K mol) Substance HI (g 32.41 221.63 Н2 (g) 5.88 145.64 I2 (g) 69.75 279.94 One mole of H2 and one mole of I2 are placed in a vessel at 500 K. At this temperature only gases are present and the equilibrium of the following reaction is established. Н2 (9) + I, (9) 2HI (g) (1)...
What is the new volume, in liters, of a 25.0 L sample of air at 843.6...
What is the new volume, in liters, of a 25.0 L sample of air at 843.6 mmHg and 152°C that is compressed and cooled to 35°C and 1520 mmHg? 2.. A balloon containing 7.83 moles of He has a volume of 27.5 L at a certain temperature and pressure. What would be the volume of the balloon, in liters, if 1.00 mole of Heis removed from the balloon at constant temperature and pressure? 3. Calculate the pressure in atmospheres, of...
IS 3. OH C H5CCH2CH3 CH2CH3 eros 164 g/mole uto er 2 CH2CH2Br + 2 Mg...
IS 3. OH C H5CCH2CH3 CH2CH3 eros 164 g/mole uto er 2 CH2CH2Br + 2 Mg Cон,восн. evdy 109 g/mole 1.47 g/mL 24.3 g/mole 136 g/mole 1.08 g/mL If 10.0 mL of bromoethane react with 5.0 g Mg, then with 10.0 g of methylbenzoate, and if 9.0 g of 3-phenylpentanol are formed, what is the percent yield? Show your work. SCH CHAL VOH 13 O0409 O M hy is the NaBH only added 15
part 1) An aqueous solution of magnesium nitrate, Mg(NO3)2, contains 2.03 grams of magnesium nitrate and...
part 1) An aqueous solution of magnesium nitrate, Mg(NO3)2, contains 2.03 grams of magnesium nitrate and 17.8 grams of water. The percentage by mass of magnesium nitrate in the solution is %. part 2) The mole fraction of lead acetate, Pb(CH3COO)2, in an aqueous solution is 1.80×10-2 . The percent by mass of lead acetate in the solution is %. part 3) An aqueous solution is 40.0 % by mass potassium bromide, KBr, and has a density of 1.37 g/mL. The mole...
Review Problem 12.065 made by dis5olving 25.0 g of fructose in 1.00 kg of water. What...
Review Problem 12.065 made by dis5olving 25.0 g of fructose in 1.00 kg of water. What is the molal concentration of fructose the solution? What is the mole A solution of fructose, CeH1206, a sugar found in many fruits, fraction f fructose in the solution? What is the mass percent of fructose the solution? What is the molarity of the fructose solution if the density the solution is 1.0078 g/mL? molality Enter your answer in scientific notation x 10 mole...
The equilibrium constant for the reaction N2(g) +O2(g) =2 NO (g) is 1.69 x 10-3 at 2300 K. A mixture consisting of 5 g of nitrogen and 2 g of oxygen in a container of volume 1 dm3 is heated to 2300 K and allowed to come to equilibrium. Calculate the mole fraction of NO at equilibrium (Note: this is a process that happens all the time when running an engine that heats air. NO is always produced when heating...
Given the reactions 2D(6) A() Kc1 = 51.3 and B(g) +D(E)=E Kc2 = 1.23 x 10 determine the equilibrium constant for the reaction A(g) + 2 B(6)- 2 E(E) K3 =? 8.34 x 10 6.31 x 10- 1.20 x 10-5 2.95 x 10-10
1. If I double the temperature (in K) of a balloon, the volume of the balloon a) doubles b) halves c) stays the same 2. If I mix 3.0 mol of N2(g), 2.0 mol of Cl2(g), 4.0 mol of O2lg) and 1.0 mol of H2(g), what is the mole fraction of O2(g)? If the total pressure is 2.00 atm, what is the partial pressure of O2(g)? (Hint-the answer for mole fraction of O2(g) and the answer for partial pressure of...
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2)
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4)
5)
Determine the volume of H 25 (at 375 K and 1.4 atm) needed to produce 55.0 g of S. Assume that there is excess SO 2 present. 2 H 25(e) + SO 2() - 3 S(s) + 2 H 20(g) We were unable to transcribe this imageDetermine the mass of water formed when 12.5L NH 3 (at 298 K and 1.50 atm) is reacted with 17.77 L of Oz (at 323 K and 1.1 atm)....
4. [201 At 500 K, we have the data of standard enthalpy of formation and standard entropy of formation as follows: AH° (kJ/mol) AfSe (J/K mol) Substance HI (g 32.41 221.63 Н2 (g) 5.88 145.64 I2 (g) 69.75 279.94 One mole of H2 and one mole of I2 are placed in a vessel at 500 K. At this temperature only gases are present and the equilibrium of the following reaction is established. Н2 (9) + I, (9) 2HI (g) (1)...
IS 3. OH C H5CCH2CH3 CH2CH3 eros 164 g/mole uto er 2 CH2CH2Br + 2 Mg Cон,восн. evdy 109 g/mole 1.47 g/mL 24.3 g/mole 136 g/mole 1.08 g/mL If 10.0 mL of bromoethane react with 5.0 g Mg, then with 10.0 g of methylbenzoate, and if 9.0 g of 3-phenylpentanol are formed, what is the percent yield? Show your work. SCH CHAL VOH 13 O0409 O M hy is the NaBH only added 15
Review Problem 12.065 made by dis5olving 25.0 g of fructose in 1.00 kg of water. What is the molal concentration of fructose the solution? What is the mole A solution of fructose, CeH1206, a sugar found in many fruits, fraction f fructose in the solution? What is the mass percent of fructose the solution? What is the molarity of the fructose solution if the density the solution is 1.0078 g/mL? molality Enter your answer in scientific notation x 10 mole...
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