you have 12g of Ch4 in a balloon and the volume is 16.8 liters. You add 8g of helium. what is the volume

organisms are more likely to be more preserved in mud than sand because mud is moist and wet, while sand is very dry.

"the periodic table is arranged in order of atomic number."

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.