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pricillagarcia2002
10.10.2019 •
Chemistry
Use the diagram below to you answer this question: if i wanted the center block to move toward position a what would i need to do? include the following information for full points: where would you place the extra weight, how much weight? explain why.
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Ответ:
6.57 L
Explanation:
First, calculate the moles of hydrogen produced, then use the Ideal Gas Law to calculate the volume of hydrogen.
Step 1. Write the chemical equation.
2Na + H₂O ⟶ 2NaOH + H₂
Step 1. Convert grams of Na to moles of Na
Step 2. Use the molar ratio of H₂:Na to convert moles of Na to moles of H₂.
Step 3. Use the Ideal Gas Law to calculate the volume of hydrogen.
pV = nRT