How many molecules are in 10 moles of H2O ?

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Compare and contrast physical changes with chemical changes.