Chemistry, 24.10.2020 04:30 cooltrey777
Gadolinium (Gd) is element 64 on the periodic table. A sample contains 4.56×1022 atoms of Gd. What amount (mol) of Gd is present in a sample containing 4.56×1022 atoms?
Answers: 3
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Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right
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Chemistry, 21.06.2019 20:30
9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water
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Chemistry, 23.06.2019 01:30
What happens to the concentration of hydronium ions as the ph of a solution increases? a. hydronium ion concentration stays the same b. hydronium ion concentration decreases c. hydronium ion concentration increases
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Gadolinium (Gd) is element 64 on the periodic table. A sample contains 4.56×1022 atoms of Gd. What a...