Chemistry, 20.11.2020 08:30, samueladetoro54
7. I LIKE REALLY NEED HELP PLZ DON'T ANSWER IF YOU DON'T KNOW THE ANSWER , LIKE BE REAL , PLEASE DON'T WASIT TIME I HAVE SOMETHING DUE IN 30 MIN
Answers: 1
Chemistry, 22.06.2019 05:30, madisonrosamond99
Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
Answers: 2
Chemistry, 22.06.2019 12:00, sophiaa23
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
7. I LIKE REALLY NEED HELP PLZ DON'T ANSWER IF YOU DON'T KNOW THE ANSWER , LIKE BE REAL , PLEASE DON...
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