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How many grams of oxygen are needed to burn 42.0g of Al? With work shown for the answer.
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Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?
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Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange
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Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.
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How many grams of oxygen are needed to burn 42.0g of Al? With work shown for the answer....
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