Calculate how many grams of methane (CH4) are in a sealed 800. mL flask at room temperature (22 °C) and 780. mm of pressure. Show work pls.

If a substance is not at its melting or boiling point, as the heat content of a sample of matter increases, its temperature increases the number of intermolecular bonds decreases the space between particles increases the particles move faster

After cloud droplets form, what must happen to them for precipitation to occur?

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon