At a constant pressure, a sample of gas occupies 4.2 L at 210 K. What volume will the gas occupy at 260 K?*

V1 / T1 = V2 / T2

V₁ = 420 mL

T₁ = 210 K

V₂ = ?

T₂ = 250 K

420 / 210 = V2 / 250

V2 = (420 / 210) x 250 = 500 mL

Explanation:

passing a magnet thought the

mixture , because iron gets attracted to magnet .

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error