Answers: 3
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
Chemistry, 22.06.2019 18:30, lattimorekeonna1
How many moles of bromine are needed to produce 3.23 moles of potassium bromide
Answers: 1
Chemistry, 23.06.2019 01:00, stefaniethibodeaux
Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
Chemistry, 23.06.2019 03:00, amberskids2
You have a sample of a metal, the sample is exactly 6.02 x 1023atom, if the sample has a mass 55.85 what metal is your sample made of?
Answers: 2
How many moles of oxygen would be required to produce 3 mol of water...
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