1. When a certain acid and a certain base are mixed together, a reaction occurs that produces a gas as one of the products. The gas has a density of 2.62 g/L at 1.47 atm and 27°C. What are the molar mass and identity of the gas? H2, 2 g/mol b. CO, 28 g/mol O2, 32 g/mol d. CO2, 44 g/mol SO2, 64 g/mol а. е. с.

1. When a certain acid and a certain base are mixed together, a reaction occurs that produces a gas as one of the products. The gas has a density of 2.62 g/L at 1.47 atm and 27°C. What are the molar mass and identity of the gas? H2, 2 g/mol b. CO, 28 g/mol O2, 32 g/mol d. CO2, 44 g/mol SO2, 64 g/mol а. е. с.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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the corrosion (rusting) of iron is represented as follows: (density (fe) = 7.86 g/cm3)3 o2 (g) + 4 fe(s)2 fe2o3 (s) assume stp. what volume of oxygen gas would be required to produce 16.0 g of fe2o3?b. what mass of iron would be required to react with 10.0 l of o2 gas?c. how many molecules of oxygen would be required to completely react with 6.50 g of iron?d. what volume of iron would be required to produce 6.43 x 1024 molecules of iron iii oxide if it was reacted with an excess of oxygen gas?
a 2.802g sample of an unknown pure metal (M) is added to a 0.2 L solution of 2 mol/L H2SO4(aq). The metal reacts with the acid until the metal is completely gone to form M3+(aq) ion in the solution and produces hydrogen gas that is collected. The hydrogen gas that is collected over water that is isolated from the reaction has a volume of 0.82 L at 25 degrees Celsius and a total pressure of 704.0 mmHg. How many moles of H2(g) are produced? Write a balanced equation for the reaction of M with H2SO4(aq). What is the identity of metal M?
11. Consider the following chemical reaction: CO2(g) + NaOH(aq) ---------> Na2CO3(s) + H2O(l) CO2(g) + KOH(aq) --------> K2CO3(s) + H2O(l) Carbon dioxide gas is bubbled into a 2.50 L. flask contains mixture of sodium hydroxide and potassium hydroxide. After evaporation of water and drying the mass of the residues is 14.5 g. Calculate grams of sodium hydroxide in the mixture. The pressure of carbon dioxide gas is 855 mmHg and the temperature is 25 oC. Na = 22.99 g/mole, K = 39.10 g/mole, H= 1.008 g/mole, O = 16.00 g/mole, C = 12.01 g/mole a.8.88 gb.1.19 gc.2.34 gd.3.48 g
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