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Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
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Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold
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Chemistry, 23.06.2019 05:30
Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.
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0.303 g of a compound with the formula mcl2 reacts with aqueous agno3 to yield 0.783 g of a white pr...
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