Chemistry, 30.04.2021 20:00 skatingflower
Mrs. R lights a small candle and allows it to burn. At first, the candle wax melts, but then it seems to burn away and disappear. The candle also gives off smoke, heat, and light. Is this a chemical or physical change?
Answers: 3
Chemistry, 22.06.2019 14:30, clemsongirl5392
Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2:
Answers: 2
Mrs. R lights a small candle and allows it to burn. At first, the candle wax melts, but then it seem...
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