Chemistry, 26.10.2020 23:20 ariyanna029
Which statement best describes chemical properties of matter?
Chemical properties, such as density, must be observed when a substance is in its natural state at room temperature and normal atmospheric pressure.
Chemical properties, such as reactivity, must be observed when a substance is in its natural state at room temperature and normal atmospheric pressure.
Chemical properties, such as combustibility, are generally observed as the identity of a substance changes and one or more new substances form.
Chemical properties, such as boiling point, are generally observed as the identity of a substance changes and one or more new substances form.
Answers: 3
Chemistry, 21.06.2019 20:40
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What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz
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Chemistry, 22.06.2019 20:40
Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°
Answers: 1
Which statement best describes chemical properties of matter?
Chemical properties, such as density,...
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