Answered: Using the Ideal Gas Law, PV = nRT,…

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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Using the Ideal Gas Law, PV = nRT, where R = 0.0821 L atm/mol K, calculate the volume in liters of
oxygen produced by the catalytic decomposition of 25.5 g potassium chlorate according to the following
reaction. The oxygen is collected at 2.22 atm and 25.44°C. Express your answer to the correct number of
significantfigures. Be sure to show all steps completed to arrive at the answer (including any steps where
dimensional analysis as shown in Lesson 4 is needed).

2KCIO3(s) -----> 2KCI(s) + 3O2(g)

Do the problem as shown in the image and please state all molar masses and mass.

Од
KC10 3x Omol kc
V=nRT
P
=
3 mol KC103 Amol 0₂ - Odlo
Jmol O₂
Og KC103 Omol KC103
(answer from)
Previous Step) (R from problem) (298.59K)
(atm. from problem)

Definition Definition Any of various laws that describe the ways in which volume, temperature, pressure, and other conditions correlate when matter is in a gaseous state. At a constant temperature, the pressure of a particular amount of gas is inversely proportional with its volume (Boyle's Law) In a closed system with constant pressure, the volume of an ideal gas is in direct relation with its temperature (Charles's Law) At a constant volume, the pressure of a gas is in direct relation to its temperature (Gay-Lussac's Law) If the volume of all gases are equal and under the a similar temperature and pressure, then they contain an equal number of molecules (Avogadro's Law) The state of a particular amount of gas can be determined by its pressure, volume and temperature (Ideal Gas law)

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