1) Energyis used in chemistry to accomplish change in matter; it is broadly defined as “the ability to dowork.”2)Select all the statements that correctly describe a pure substance.a)A pure substance has a constant compositionb)A pure substance is composed of a single component.c)A pure substance may be either an element or a compound. 3)Which of the following substances will float on top of water? Select all that apply. Get answer to your question and much more Get answer to your question and much more Get answer to your question and much more Get answer to your question and much more Get answer to your question and much more Get answer to your question and much more 9)Order the following numbers from smallest to largest. Place the smallest number at the top. 3.5x10^-5, Get answer to your question and much more 10) The physical state and chemical composition of matter are examples of which of the following? Get answer to your question and much more 11) A physicalchange alters a substance without changing its identity, while a chemicalchange convertsone material to another. |
Select all options that correctly state a metric conversion.
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