Chemistry, 27.08.2020 18:01 AkramMasoud
During an experiment a thermometer was placed in a beaker containing hydrogen peroxide. The following observations were recorded when yeast granules were added to hydrogen peroxide. Observation 1: Fizzing and bubbling took place. Observation 2: The temperature began to rise. Based on the observation, justify the type of change (physical or chemical) that took place.
Answers: 3
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Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.
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What is the common name for the compound shown here? enter the common name of the compound shown?
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Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?
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During an experiment a thermometer was placed in a beaker containing hydrogen peroxide. The followin...
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