One mole of n gas is contained at 273 k and a pressure of latm. the addition of 3000 joules heat to the gas at constant pressure causes 832 joules of work to be done during expansion, calculate: 1750 (i) the final state of the gas (ie, v and t) (ii) the values for du and dh for the change of state, (iii) the values of c, and cp for n2 (iv) draw a schematic diagram to represent the system, the work done on the surroundings by the system and the work done by the system on the surroundings. r = 0.082057 l. atm/ mole. k = 8.314 j/mole. k = 8.314 kj/kmole. k

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

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds