(a) Read the following description of the element zinc andindicate which are physical properties and which are chemicalproperties. Zinc melts at 420 °C. When zinc granules are added to dilutesulfuric acid, hydrogen is given off and the metal dissolves.Zinc has a hardness on the Mohs scale of 2.5 and a density of7.13 g>cm3 at 25 °C. It reacts slowly with oxygen gas at elevatedtemperatures to form zinc oxide, ZnO. (b) Which properties of zinc can you describe from thephoto? Are these physical or chemical properties?
(a) Read the following description of the element zinc andindicate which are physical properties and which are chemicalproperties. Zinc melts at 420 °C. When zinc granules are added to dilutesulfuric acid, hydrogen is given off and the metal dissolves.Zinc has a hardness on the Mohs scale of 2.5 and a density of7.13 g>cm3 at 25 °C. It reacts slowly with oxygen gas at elevatedtemperatures to form zinc oxide, ZnO. (b) Which properties of zinc can you describe from thephoto? Are these physical or chemical properties?
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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(a) Read the following description of the element zinc and
indicate which are physical properties and which are chemical
properties. Zinc melts at 420 °C. When zinc granules are added to dilute
sulfuric acid, hydrogen is given off and the metal dissolves.
Zinc has a hardness on the Mohs scale of 2.5 and a density of
7.13 g>cm3 at 25 °C. It reacts slowly with oxygen gas at elevated
temperatures to form zinc oxide, ZnO.
(b) Which properties of zinc can you describe from the
photo? Are these physical or chemical properties?
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