Carbon dioxide gas is obtained from the fermentation of glucose. If 20.0 L of carbon dioxide (at s. t.p) are collected, calculate the number of oxygen atoms present in this gas.

Condensation happens when water vapor cools. true or false? ?

What are the advantages of using the metric system? designed as a decimal system making conversions simpler more accurate system of measurement has prefixes that correspond to an amount to use with all base units used by the entire scientific community

The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.