Initial temperature of metal = PC
The temperature at 300 seconds (5 minutes) is the
final temperature of both the metal and the water.
Record it to the nearest 0.1°C in the data table.
Initial temperature of water =
THIS ONE IS FOR LEAD
°C
Final temperature of both =
27
DONE
26
25
24
23
200
250 ml
150
Continue (60s more)
-100
50
05:00
Intro
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water pollution kills aquatic life. aquatic life includes algae and other plant life that use photosynthesis. photosynthesis takes   c02 out of the air.  

c02is a greenhouse gas.

answer: a tank of height h is filled with water and sits on the ground. water squirts from a hole at a height y above the ground and has a range r. for two y values, 0 and h, r is zero. determine the value of y for which the range will be a maximum.

explanation:

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.