When rn-222 undergoes decay to become po-218, it emits
a. an alpha particle.
b. a beta particle.
c. gamma radiation.
d. x-rays.?

A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?

What forms when chemical reactions combine pollution with sunlight?

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both