4 HCl(9)+O2(g) → 2 H,O(g)+2Cl,(g) Use this chemical equation to answer the questions in the table below. None. Suppose 165. mmol of HCl and 41.3 mmol of O, are added to an Some, but less than 165. mmol. 165. mmol. empty flask. How much HCl will be in the flask at equilibrium? More than 165. mmol. Suppose 250. mmol of H,O and None. 250. mmol of Cl, are added to an Some, but less than 250. mmol. empty flask. How much H,0 will be O 250. mmol. in the flask at equilibrium? More than 250. mmol.

4 HCl(9)+O2(g) → 2 H,O(g)+2Cl,(g) Use this chemical equation to answer the questions in the table below. None. Suppose 165. mmol of HCl and 41.3 mmol of O, are added to an Some, but less than 165. mmol. 165. mmol. empty flask. How much HCl will be in the flask at equilibrium? More than 165. mmol. Suppose 250. mmol of H,O and None. 250. mmol of Cl, are added to an Some, but less than 250. mmol. empty flask. How much H,0 will be O 250. mmol. in the flask at equilibrium? More than 250. mmol.

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter4: Stoichiometry

Section: Chapter Questions

Problem 4.59PAE: 4.59 Aluminum dissolves in HCI according to the equation written below, whereas copper does not...

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39. Standard solutions of calcium ion used to test for water hardness are prepared by dissolving pure calcium carbonate. CaCO3, in dilute hydrochloric acid. A 1.745-g sample of CaCO3 is placed in a 250.O-mL volumetric flask and dissolved in HCI. Then the solution is diluted to the calibration mark of the volumetric flask. Calculate the resulting molarity of calcium ion.
On Easter Sunday, April 3, 1983, nitric acid spilled from a tank car near downtown Denver, Colorado. The spill was neutralized with sodium carbonate: 2HNO3(aq)+Na2CO3(aq)2NaNO3(aq)+H2O(l)+CO2(g) a. Calculate H for this reaction. Approximately 2.0 104 gal nitric acid was spilled. Assume that the acid was an aqueous solution containing 70.0% HNO3 by mass with a density of 1.42 glcm3. What mass of sodium carbonate was required for complete neutralization of the spill, and what quantity of heat was evolved? (Hf for NaNO3(aq) = 467 kJ/mol) b. According to The Denver Post for April 4, 1983, authorities feared that dangerous air pollution might occur during the neutralization. Considering the magnitude of H, what was their major concern?
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