A sample of CO2 gas (3. 0 mol) effused through a pinhole in 18. 0 s. It will take s for the same amount of H2 to effuse under the same conditions.

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u. s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?

If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?