For the acids, use the formula ph = -log[hbecause hcl has 1 htion per formula unit, h'lequals the
molanty) for water, use what you know about the ph of neutral solutions. for the bases, examine and
extend the pattern. done
0.001 m
hci
0.1 m
hci
distilled
water
0.1 m
naoh
0.001 m
naoh
0.1 m
naoh
phe

509

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

c.

explanation:

it would be a gas formation

they vary. it used to be meat, grain, bread, candy, beverages, donuts, and fruits/vegetables. now they added exercise in.