Chemistry, 29.07.2019 10:00 helloitschump0vfdz
How is light energy different from both sound and heat energy? a. light energy can exist independently of matter. b. light is more energetic when its frequency is higher. c. sound energy is a wave. d. heat energy can radiate from an object.
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Chemistry, 22.06.2019 02:30
Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh
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Chemistry, 22.06.2019 04:00
Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.
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Chemistry, 22.06.2019 08:00
What are the similarities of physical and chemical change ?
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Chemistry, 22.06.2019 08:20
What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5
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How is light energy different from both sound and heat energy? a. light energy can exist independen...
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