If I have an unknown quantity of gas at a pressure of 3.2 atm, a volume of 21 liters, and a temperature of 387 K, how many moles of gas do I have?

Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?

What volume would 2.25 moles of ne has occupy at stp?

Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12