Select the correct answer. What are the units of k in the following expression: rate = k [A][B]?
OA.
s1
OB.
M-15-1
O C.
M-25-1
OD. M

idk

explanation:

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

did anyone actually do this? like if anyone has submitted this i rly need .

the answer is d. 74.02