Neglect overpotential and determine the minimum potential required to electrolyze molten CrCl3 Se...
A current of 7.11x104 A is passed through an electrolysis cell containing molten NaCl for 6.30 days. (a) How many grams of sodium are produced? (b) How many liters of chlorine are collected, if the gas is at a temperature of 273 K and a pressure of 1.00 atm? L
A current of 7.49×104 A is passed through an electrolysis cell containing molten NaCl for 9.40 days. (a) How many grams of sodium are produced? g (b) How many liters of chlorine are collected, if the gas is at a temperature of 273 K and a pressure of 1.00 atm? L
14. Molten AlCl3 is electrolyzed for 5.0 hours with a current of 0.40 amperes. Metallic aluminum is produced at one electrode and chlorine gas, Cl2, is produced at the other. How many liters of Cl2 measured at STP are produced when the electrode efficiency is only 65%? (a) 0.98 L (b) 0.63 L (C) 0.84 L (d) 0.55 L (e) 1.02 L
1. Electrolysis of molten chromium bromide (CrBr3) a. Determine the minimum voltage that must be applied to a cell containing molten CrBr3 in order for electrolysis to occur b.If 3.65 V is applied for 85 minutes, what mass of Cr(s) will be produced? c. If 15.00 A of voltage is applied, how long would it take to produce 25.0 g of Cr(s)?
3) Calculate the grams of CO2 that would be produced from the complete burning of 18.2 L of liquid ethanol, C HOH, measured at 0.823 atm and 27.0°C. CHOH (I) + 3 0: (g) → 2 CO2(g) + 3 H2O(g) 4) Cavendish prepared hydrogen in 1766 by the novel method of passing steam through a red-hot gun barrel: 4H2O(g) + 3Fe(s) - Fe,O4(s) + 4H2(g) What volume of Ha(g) at a pressure of 735 torr and a temperature of 19.0...
6. Vinegar is 5.00% (m/v) acetic acid (CH3COOH). How many milliliters of vinegar would you need to react with an excess of baking soda (NaHCO3) in order to generate 10.0 L of carbon dioxide gas at 1.05 atm and a temperature of 25.0°C? 7. Shown below is the aqueous reaction of KNOX, HCl, and SnCl2. 2 KNO2 (aq) + 6 HCl(aq) + 2 SnCl2 (aq) → 2 SnCla (aq) + N20 (g) + 3 H20 (1) + 2 KCl (aq)...
7. Shown below is the aqueous reaction of KNO2, HCl, and SnCl2. 2 KNO2 (aq) + 6 HCl (aq) + 2 SnCl2 (aq) à 2 SnCl4 (aq) + N2O (g) + 3 H2O (l) + 2 KCl (aq) a. Is this a redox reaction? If so, which atom was reduced and which atom was oxidized. Support your answer by determining the oxidation states of the relevant atoms. b. If 50.0 g of KNO2 is consumed in this reaction, how many...
QUESTION 1 A sample of nitrogen gas is sealed into a 18.6 L container at 715.2 torr and 146.8 °C. How many nitrogen molecules are in the container? (Enter your value in E-notation with three significant figures.] QUESTION 2 A sample of carbon monoxide gas occupies a volume of 200 mL at a pressure of 551.9 torr and a temperature of 633 K. What would its temperature be if the volume were changed to 84 mL at a pressure of...
Q1 :- For the reaction shown, calculate how many grams of oxygen form when each quantity of reactant completely reacts. 2HgO(s)→2Hg(l)+O2(g) (C) 1.73 kgHgO (D) 3.60 mgHgO Q2:- For the reaction 2KClO3(s)→2KCl(s)+3O2(g) calculate how many grams of oxygen form when each quantity of reactant completely reacts. You may want to reference (Pages 253 - 256) Section 8.4 while completing this problem. A - 2.66 gKClO3 B- 0.400 gKClO3 C- 80.0 kgKClO3 D- 20.8 mgKClO3 Q3:- Sulfuric acid can dissolve aluminum...
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need help figuring out #5.35, 5.37, 5.45, 5.57, and 5.71
Documents Pearson Updad Assgrmerti Eimiting. Nos |UNC 217 A gas-filled balloon having a volume of 2.50 L at 1.2 atm and 25°C is allowed to rise to the strato sphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 x 10 atm, respectively. Calculate the final volume of the balloon 5.35 The temperature of 2.5 L of a gas initially at...