Answered: Defend/refute: 1. A gram of Cesium…

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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Defend/refute:

1. A gram of Cesium has more atoms than a gram of Hydrogen.

2. Water is poured into ice cube trays and placed into a freezer at -20°C. As the water changes phase to ice, the temperature stays 0°C until all the water is frozen

3.Gasoline burning in your car engine is an example of a physical change and the product and reactants are balanced in the equation.

2 C 8 H 18 + 18 O 2⟶ 16 CO2 + 18 H2O

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1. A gram of Cesium has more atoms than a gram of Hydrogen.

1 mole of an element contains Avogadro's number of atoms.

And Avagadro's number= 6.022 x 10²³ atoms

So, 1 mole of an element= 6.022 x 10²³ atoms

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