At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react. Ian sees an object with many colliding particles, and he compares it to another object with few colliding particles. Which is true about the objects the object with many colliding particles has a lower concentration of particles or the object with many colliding particles has a higher concentration of particles?
the object with many colliding particles has a higher concentration of particles

In the larger container we will still have the same number of gas particles, but now they are filling a much larger space. If Mona is comparing two containers and she knows her jelly jar is larger then her baby food jar, which one contains more space jelly jar or baby food jar?
jelly jar

Q: Lighter, more streamlined vehicles need less energy. Does it take more or less energy to power a light vehicle more or less?
A: less

Question: Warmer molecules vibrate faster than cooler ones. Carl boiled water for hot tea, and knew that as the water boiled, the vibrations would increase or decrease?
Answer: increase

*Question*
When a person smokes there are chemicals released by the tobacco that enter the lungs. Because the lungs have to work harder to remove the chemicals, the body has to work harder to get the air needed to survive. If Mona is a smoker, but decides to stop smoking, what happens to the difficulty her lungs experience in removing chemicals from the air increase or decrease?
**Answer**
decrease

(Q).
Longer length resistors will offer more resistance than shorter resistors. If you have a wire that is short it will have low resistance or high resistance?
(A).
low resistance