A scientist does an experiment to collect a gas in a chamber that maintains standard pressure. He removes the gas from the chamber and it expands to a volume of 506.9 ml because the pressure outside of the chamber is only 745.8 mmHg. What was the volume of the gas (in L) when it was inside the chamber?

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent

Benzonitrile (c6h5cn) is reduced to two different products depending on the reducing agent used. treatment with lithium aluminum hydride followed by water forms k, which has a molecular ion in its mass spectrum at 107 and the following ir absorptions: 3373, 3290, 3062, 2920, and 1600 cm-1. treatment with a milder reducing agent forms l, which has a molecular ion in its mass spectrum at 106 and the following ir absorptions: 3086, 2850, 2820, 2736, 1703, and 1600 cm-1. l shows fragments in its mass spectrum at m/z = 105 and 77. propose structures for k and l and choose an explanation for how this could be concluded.

Liquid nitrogen is kept at a temperature of -320 degrees. when liquid nitrogen is heated it quickly boils and turns into gas. which pair of pictures represent the change caused by adding heat to liquid nitrogen?