Scenario 4: While working in lab, your lab partner cuts themselves on a piece of glass and begins to bleed. They tell you not to say anything and
they will be fine, but you notice that they are bleeding pretty badly. What
should you do? Explain
Scenario 5: You are just about to be done with lab and have some extra
chemicals in your beaker. Your lab partner says to just put it down the
drain and let the water wash it down. What should you do? Explain

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance

d.) the average kinetic energy of the gas particles is greater in container b because its particles move faster.

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year