A sample of Ar of mass 6.56 g occupies 18.5 dm3 at 305 K. (i) Calculate the work done when the gas expands isothermally against a constant external pressure of 7.7 kPa until its volume has increased by 2.5 dm3. (ii) Calculate the work that would be done if the same expansion occurred reversibly

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

ugh fiel iente of insistí is did kiwis jaj

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.

може ли да зареждате повече информация, моля