Chemistry, 04.08.2019 05:20 faithtunison
Fireworks are chemical reactions that release energy. which of these phenomena are caused by chemical reactions that release energy? if you’re not sure, make a guess. muscles work to perform a task. fuel burns and heats the surroundings. a battery supplies current to a device. a car's air bag expands by igniting a chemical.
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Chemistry, 22.06.2019 05:30
Which other elements contain the same number of outer electrons as sodium
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Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Chemistry, 22.06.2019 21:00
Use the measurements in the table to determine which unidentified metal has the highest density. metal volume mass a 10.5 cm3 122 g b 14.2 cm3 132 g c 16.1 cm3 115 g d 12.7 cm3 126 g
Answers: 2
Chemistry, 23.06.2019 00:00
#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond
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Fireworks are chemical reactions that release energy. which of these phenomena are caused by chemica...
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