How many grams of oxygen are produced when 36.6 g of NO2 is formed?
2 Pb(NO3)2(s) --> 2 Pb(s) + 4 NO2(g) + 1 O2(g)

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

the answer is a for sure mark brainliest i had got this right on usatestprep