Which of the following describes what happens during a combustion reaction?
O
Two elemen...
Chemistry, 18.04.2020 05:20 shfhdjskjf
Which of the following describes what happens during a combustion reaction?
O
Two elements switch places with one another.
O
A larger compound breaks apart into smaller elements/compounds.
O A hydrocarbon combines with oxygen to release energy, carbon dioxide, and water
Two elements come together to form a new compound.
Answers: 1
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Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
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Chemistry, 22.06.2019 21:00
Need what is special about water as a compound? how does water regulate climate? what drives water evaporation? why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation? what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !
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Chemistry, 22.06.2019 23:10
Match the formula for the following compound: magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(so4)2·7h2omgso4·7h2o
Answers: 1
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