The combustion of hexane (C6H14), a component of gasoline, is represented by the balanced chemical equation: 2 C6H14(l) + 19 O2(g) " 12 CO2(g) + 14 H2O(g). If 1.0 mole of hexane undergoescombustion, moles of O2 are required.
Answer:
The change from a liquid phase to a gaseous phase occurs when the vapor pressure of the liquid is equal to the atmospheric pressure exerted on the liquid.
Explanation:
Boiling is a physical change and molecules are not chemically altered during the process.
The answer would be A. troposphere
C) lithium; 3
Explanation:
Considering the chart describing the element. According to the chart, the element is lithium with an atomic number of 3.
- Atomic numbers are used on the periodic table to arrange elements in their proper place.
- Atomic number is the number of protons in an atom.
- This number is unique for every atom.
- From the described chart, we see that the atom described is Lithium.
- The atomic number of neon is 10, boron is 5.
- Unless otherwise stated or shown, it can be nitrogen 7.
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Periodic table brainly.com/question/8543126
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Same thing, but upside down
