Homework Help: science lab

Posted by cara on Sunday, September 13, 2009 at 4:43pm.

I got these results from my dissolved oxygen lab:

Temperature Dissolved Oxygen
in Celcius (mg/L)

17 5.8

21 5.4

23 5.3

27 5.1

I understand that as the temperature increases the dissolved oxygen concentration decreases but i don't understand how to answer this question: does your data indicate how the amount of dissolved oxygen in the water is affected by the temperature of the water. explain.

science lab - venessa, Sunday, September 13, 2009 at 4:49pm
well did the dissolved oxygen levels go down with the rise in temperature or did they go up or did they stay the same in your experiment
science lab - DrBob222, Sunday, September 13, 2009 at 5:14pm
To follow up on venessa's answer, of course the data indicate that what you understand is true. Doesn't the dissolved oxygen decrease (in mg/L) when the temperature goes up? Looks that way to me. By the way, note the correct spelling of celsius.

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