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Chemistry, 21.06.2019 18:30
In an energy pyramid, which level has the most available energy?
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Chemistry, 21.06.2019 21:10
How is 0.00235 expressed in proper scientific notation? a. 2.35 Ă— 10-3 b. 0.235 Ă— 10-2 c. 2.35 d. 2.35 Ă— 103
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Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2
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El amoniaco y el fluor reaccionan para formar tetrafluoruro de dinitrogeno y fluoruro de hidrogeno. segun la reaccion: nh3 + f2 ⇒ n2f4 + hf si reaccionan 5 gramos de amoniaco y 20 gramos de fuor, ¿cuantos gramos de fluoruro de hidrogeno se producen?
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PLZ HELP Question 14 of 25 What is the name for a representation of the physical world?
A. Model
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