Chemistry, 01.09.2020 23:01, rosie20052019
Classify each of the following as either a physical change or a chemical change.
(a) Dissolving sugar in water
(b) Crushing rock salt
(c) Burning sulfur
(d) Digesting a chili dog
Answers: 2
Chemistry, 21.06.2019 16:40, xxxharveyweinsteinxx
Which of the following is a testable hypothesis? a. if i brush my teeth, i will get fewer cavities than if i don't brush my teeth. b. green toothpaste tastes better than blue toothpaste or red toothpaste. c. smart, careful, healthy people always brush their teeth. d. it's wrong to not brush your teeth before you have an important conversation with someone.
Answers: 1
Chemistry, 21.06.2019 23:00, brapmaster764
What is the formula that this ionic compounds could form sr2+p3-o2-
Answers: 3
Chemistry, 22.06.2019 02:10, board1692
3.) for each of the following compounds, draw the major organic product of reaction with hcl or naoh and circle whether the starting materials and products will be more soluble in organic solvent or water benzoic acid + hcl: benzoic acid + naoh: oh benzoic acid water/organic water organic fluorenone hс: fluorenone + naoh: fluorenone water/organic water/organic веnzocaine + hci: benzocaine + n»oh: h2n benzocaine water/organic water organic o=
Answers: 3
Classify each of the following as either a physical change or a chemical change.
(a) Dissolving sug...
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