400 cm: significant figures
50.0 m: significant figures
4,500.01 mi: significant figures

What is the overall order of reaction for rate = k[no2]2 ? second order 3/2 order third order zero order none of the listed answers are correct

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

Molecular iodine, i2(g), dissociates into iodine atoms at 625 k with a first-order rate constant of 0.271 s−1. part a part complete what is the half-life for this reaction?