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Please only answer the lab questions page 58. Check the attachment

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Laboratory Questions

1. PartA.1.Ifyouhaveaproperlyadjustedhotflame,whichispalebluewiththreedistinctcones,whatisobservedifthe gas control value is slightly closed? Explain.
2. PartA.1.Ifyouhaveaproperlyadjustedhotflame,whichispalebluewiththreedistinctcones,whatisobservedifthe air-control valve is slightly closed? Explain.
3. PartA.2.Aburningcandleproducesaluminousflame.Whatisthefuelfortheburningcandle?Whyis the flame luminous?
4. Part C.1c. The solid is not completely submerged in the water. Will this technique error increase, decrease, or have no effect on the reported density of the solid? Explain.
5. Part C.2. Suppose that after delivery several drops of the water cling to the inner wall of the pipet (because the pipet wall is dirty). Will this technique error increase, decrease, or have no effect on the reported density of water? Explain. See drawing at right.
6. PartC.3.Theunknownliquidisvolatile.Ifsomeoftheliquidevaporatesbetweenthetimetheliquidis delivered to the beaker and the time its mass is measured, will the reported density of the liquid be too high, too low, or unaffected? Explain.