The chemical formula C₂H₆O, which is designated as option D, is equivalent to this structural formula.
<h3><u>What is a Chemical Formula ?</u></h3>
Chemical element symbols, numbers, and occasionally additional symbols like parentheses, dashes, brackets, commas, and plus (+) and minus () signs are used in a chemical formula to represent information about the chemical proportions of the atoms that make up a certain chemical compound or molecule.
- An empirical formula represents by symbols, such as Na for sodium and Cl for chlorine, with subscripts that show the relative number of atoms in each.
- The composition of any member of an entire class of compounds can be represented by a general formula, a sort of empirical formula.
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H2O became a vapor when heated because thats the only one that can go back to its normal state, which is what a physical change is.
Sorry I’m only answering so I could upload
B. They are the same force. Each body acts on the other. The moon and the earth, and the apple and the earth.
It is true it is used for inflammation and pain in muscle and joints it is also used for muscle and bone disorders
