A radioactive substance has a half-life of 10 years. What fraction of a sample of the substance would be left after 30 years?

How many liters of water vapor can be produced if 108 grams of methane gas (ch4) are combusted at 312 k and 0.98 atm? show all work. pls ! will mark as brainliest

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.