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Is the following reaction exothermic or endothermic? 2P + 5Cl2 → 2PCl5 ΔH°= - 886 kJ
Answers: 2
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Asample of rose gold is: 12.0 g gold, 5.0g silver, and 7.0 g copper. what is the percent copper in the sample?
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If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?
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Is 9 correct? and can someone me with 10? it’s due tomorrow, you
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20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?
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Is the following reaction exothermic or endothermic? 2P + 5Cl2 → 2PCl5 ΔH°= - 886 kJ...
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