The radioisotope actinium-225 has a half-life of 10 days. i begin with 16 kg of this isotope, how much will remain after 40 days?

What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k

What is the oxidation state of an individual bromine atom in nabro3?

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .