14023731
Description
Flashcards by I Shouldn't be awake, updated more than 1 year ago
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Created by I Shouldn't be awake
over 6 years ago
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| Question | Answer |
| What must you ensure of the volatile liquid? | That it's liquid at RTP and a bpt below 100'c so it vaporises. |
| Step 1. | 1. Add sample of liquid to a hypodermic syringe via a needle. |
| Step 2 | 2. Weigh the hypodermic syringe. |
| Step 3. | 3. Inject the sample into a gas syringe through the self-sealing rubber cap. |
| Step 4 | 4.Reweigh the hypodermic syringe to find the mass of the volatile liquid added to the gas syringe. |
| Step 5. | 5.Place the gas syringe in a boiling water bath at 100c, the liquid vaporises producing a gas. |
| Step 6 | 6. The pressure is recorded. |
| Step 7 | Use pv=nrt |
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