PLZ HELP!
I have tried NH3 and the fourth one, and they were both wrong...
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Chemistry, 09.05.2021 03:00 jadejordan8888
PLZ HELP!
I have tried NH3 and the fourth one, and they were both wrong...
Answers: 2
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Identify the electromagnets with poles that are reversed from the electromagnet shown above
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Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
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Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.
Answers: 3
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