A gas was held at a constant temperature in a closed system. The initial pressure of the gas was 1.20 atm, while its initial volume was 2.30 L. The final volume of the gas was 1.50 L. What was the final pressure of the gas? Record your answer to the nearest hundredth of an atmosphere.

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answer; economic order quantity;

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

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