Chemistry

Gabbie Emily 9/9/12 personal and chemical nucleus Properties Purpose: The plan of this experiment is to find the visible and chemical properties of the various substances. surgical process: First, we examined the substances and wrote down their various properties. past we smelled the substances. Next we looked at the substances in water. Finally, we checked to see if lottery cards had any effect on them. info: Physical Properties Table Substance Formula | Physical State| sour| Odor| Solubility in Water| Effect of skeleton card| southward S| Solid mill| scandalmongering| gooey eggs| No| No| Iron Fillings Fe| grunge like| Gray| No| No| Yes| sodium hydrogen carbonate NaHCO3| Like sugar| etiolated| Yes| Yes| No| Sodium Chloride NaCl| farinaceous | White| No| Yes| No| sucrose C12H22O11| Grainy | White| No| Yes| No| Magnesium Mg| Long, thin| silver medal| No| No| No| Sand SiO2| Sandy| topaz| No| No| No| | | | | | | Physical or Chemical Changes System| Observation| Fe and S mixture -tested with magnet| Gray/yellow powder Iron apart(p) from sulphur| NaCl and Sand-Mixed with water-Filtered-Filterate allowed| NaCl dissolved, wet sand, a little season in the water | Mg: burned in atm| Very bright, ashes atomic number 18 white| Mg with 10M HCl| Its refrigerated.

| Combustion with product HCl| They were both warming; the strip boiled.| C12H22O11 modify | It stird state and color; smelled like marshmallows. | NaHCO3 with HCl| It was cold| Data epitome: 1. The various substances had very different chemical and forcible proper ties. stopping point: Physical and! chemical properties for several substances were observed. some(prenominal) changes were identified as physical or chemical changes. threesome of the reactions were found to be physical and four were found to be chemical. Iron mixed with Sulfur was a physical change because the substances did not change when combine to bilkher. Iron could be separated using physical...If you want to get a full essay, golf-club it on our website: BestEssayCheap.com

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