Answer:
C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(g)
Explanation:
Answer:
The object is moving forward
Explanation:
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B. Electrical, chemical, thermal, mechanical.
Turning the ignition switch on sends an electrical signal, which starts the chemical combustion of the fuel. This gets the engine going, which produces heat (thermal).
Density is the <u>degree of the heaviness of a particular substance. </u>
- Density can also be defined as the<u> unit mass of a substance per the substance's volume.</u>
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Density is said to be the characteristic property of a pure substance because the <u>density of a pure substance</u> is <u>constant and fixed </u>
- <u>Pure substances</u> are substances that are homogenous in nature, which means they are uniform and are made up of only <u>one component.</u>
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- Density is said to be the <u>characteristic property</u> of a <u>pure substance </u>because the density of a pure substance<u> is constant and fixed</u> but its <em>mass and volume can vary. </em>
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A substance that has more than 2 atoms bonded together