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Chemistry, 22.06.2019 02:30
When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.
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Chemistry, 22.06.2019 03:00
Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone
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Chemistry, 22.06.2019 05:30
What type of reaction is shown below? check all that apply. 2h2o2 β 2h2o + o2 synthesis decomposition combustion
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Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Mathematics, 30.10.2020 22:40
Mathematics, 30.10.2020 22:40
Mathematics, 30.10.2020 22:40
Mathematics, 30.10.2020 22:40
Mathematics, 30.10.2020 22:40
Mathematics, 30.10.2020 22:40
Mathematics, 30.10.2020 22:40
Physics, 30.10.2020 22:40
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Geography, 30.10.2020 22:40
Mathematics, 30.10.2020 22:40
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Business, 30.10.2020 22:40