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Câu 4. Khối lượng H2SO4 trong 150 gam dung dịch H2SO4 14% là
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What are the charges of the subatomic particles by choosing the answer from the drop down menu. protons have a (+1,0,or-1). (protons,neutrons,electrons) have a 0 charge. 3.) electrons have a (+1,0,-1)
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Adepositional also feature that forms where a stream enters a lake or an ocean is a
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What is a difference between a mixture of elements and a mixture of compounds
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The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
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Câu 4. Khối lượng H2SO4 trong 150 gam dung dịch H2SO4 14% là...
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