Chemistry, 02.03.2021 01:00 angelcjsdfv7139
Explain the following examples in terms of physical or chemical
changes: breaking a pencil in two; water freezing and forming ice;
frying an egg; burning wood; leaves turning color in the fall. Please
sure that your answer contains the terms physical properties,
change in state, and change in composition.
Answers: 1
Chemistry, 22.06.2019 08:40, jaueuxsn
Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
Answers: 2
Chemistry, 23.06.2019 00:30, zaniathomasel
What is bromine+calcium iodide--> calcium bromide +iodine balanced
Answers: 1
Chemistry, 23.06.2019 01:30, yarrito20011307
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 02:30, erikacastro259
what is your question? collegechemistry 5+3 pts in november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.
Answers: 3
Explain the following examples in terms of physical or chemical
changes: breaking a pencil in two;...
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