Chemistry experiments Essay Sample

Guess
Observation
Explanation
Trial 1
The dyed ruddy H2O will non ooze into the bluish cold H2O.
My conjecture was so right and ruddy H2O did non interfere with the bluish H2O. Because the molecules in the bluish H2O are much closer together because its cold and good the ruddy H2O has warm/hot H2O and the molecules are everyplace. The molecules in the bluish H2O are so heavy that they’re doing a bed so that the molecules from the ruddy jar do non come through. Trial 2




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I think this clip blue on top will neglect and ooze into the ruddy. So my conjecture was right once more. The bluish H2O did easy come in the ruddy H2O. The ground for this is because of denseness and how heavy the cold H2O truly is. That’s why when you put the cold H2O on top the molecules would desire to drop towards the underside of the jar which is fundamentally the decision of Trial 2. Trial 3

I’m pretty sure that the green H2O will merely drop wholly into the xanthous H2O. The decision did fit my conjecture and the green H2O did rapidly interact with the xanthous H2O. Obviously the green H2O was much more dense than the xanthous H2O because the green H2O mixed instantly with the xanthous H2O. clearly turn outing the green H2O to be more dense. Trial 4

I do believe that the xanthous H2O will stay in it’s topographic point. Again my guess’s consequences were right the xanthous H2O remained where it was. The green H2O that’s on the underside creates a bed because of how heavy the molecules are in it. therefore the xanthous H2O is non allowed to blend with the viridity.

Analysis questions/answers

1. Q-Based on your observations in the lab. what do you believe happens to the
bulk of H2O ( non ice ) at the poles?
A-The bulk of the H2O freezes because H2O is the lone molecule that doesn’t sink. so the H2O becomes ice.

2. Q-Based on your observations in the lab. what do you believe happens to most of the H2O at the equator?
A-The bulk of H2O at the equator does non vaporize.
Surely some of it does. but that is a immense sum of H2O were speaking approximately. If the bulk of it evaporated. so all the oceans currents would be consecutive towards the equator merely to replace it. 3. Q-Thinking about what you learned in the lab and making some extra research. if you mixed fresh and salt H2O together in the marine environment. how would the H2O “layer” ? Where would the fresh water be and why? A- Salt H2O is more heavy than fresh H2O. and hence sinks under fresh H2O – which is precisely what happens in estuaries. which are countries near the oral cavity of a river where fresh H2O and salt H2O do mix.

4. Q- When fresh and saltwater mix in the marine environment. this is called an estuary. or brackish H2O environment. Why would bottom brooding beings in an estuary demand to be able to defy brackish H2O? A-Bottom homes in an estuary demand to be able to defy brackish H2O because fresh H2O in an estuary flows out over the surface and ocean H2O with higher sums of salt flows in on the underside

5. Q-Based on your lab and readings. what two features of H2O combine to organize a thermohaline current? A-In the deep ocean. the prevailing drive force is differences in denseness. caused by salt and temperature ( the more saline the denser. and the colder the denser ) . Note that ocean currents due to tides are besides important in many topographic points.

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