Which will displace a greater volume of water from a full tub, a 2 gram piece of iron or a floating toy boat that weighs 2 grams? why?

Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion