The results recorded in Table The charcoal used were 300 g, 400 g, where the water temperature from 22 ° C to test 3 times the temperature every 10 minutes at the start of the experiment showed that charcoal will have a birthday coming up slightly and slowly fade. missing The water temperature at 10 minutes measured average 72.3 degrees, the water temperature at 20 minutes measured average 87.67 degrees, the water temperature at 30 minutes measured average 93 degrees, the water temperature at 40 minutes measured average 89.67 degrees and the water temperature at 50. minutes, the water temperature was gradually decreased until apparently measured average 83 degrees and a slight discount to the coal ash.
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