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Chemistry, 21.06.2019 15:30, milkshakegrande101
Arock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to separate different parts of a rock into pure substances. this is because a rock is a(n)
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Chemistry, 21.06.2019 19:30, bryneosburn
What’s a special glass that most beakers are made of
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When 13.0 g of acetylene, C2H2, undergoes complete combustion, 65.5 kJ of heat are released.
a) Ho...
Mathematics, 13.07.2020 22:01
Mathematics, 13.07.2020 22:01