A20 ml pipet sample of alcohol is found to weigh 15.71 g. what would be the mass of 35.25 ml of the same alcohol? what volume would 125.4 g of this alcohol occupy

Explanation:

Mass of the alcohol = 15.71 g

Volume of 17.71 g of alcohol = 20 ml

Density of alcohol =

Density of alcohol is an intensive property.It remains constant.

Mass of 35.25 mL of the alcohol will be;

Mass of the alcohol  = 27.6888 g

Volume of 125.4 g of alcohol will be;

Volume of the alcohol  = 159.6435 mL

it can be observed without changing the identity of the object.

it depends on what substance you're talking about as well as many other factors. in quantum mechanics, the observation of particles affects the observers ability to measure certain properties. for example: you can know the velocity of a particle, but you can't know it's position; or you can know it's position, but not it's velocity. it's like trying to find out where a grain of sand is by throwing other grains of sand at it. once you find out where it is, it's been moved. it's also like trying to find an answer to the question of whether or not a tree falling in a forest makes a sound if nobody is there to hear it. paradoxically, the only way to find out is to be there and hear it.