If you are asked to compare matter in solid, liquid, and gaseous states, which statement best defines a gas?

a).highest energy, highest molecular motion, and least dense packaging of molecules
b).highest energy, highest molecular motion, and most dense packaging of molecules
c).least energy, highest molecular motion, and least dense packaging of molecules
d).highest energy, least molecular motion, and least dense packaging of molecules

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

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?