1) Propose un protocole permettant de mesurer la masse de 10 mL de chaque liquide, (matériel : deux éprouvettes graduées de 10 mL, deux béchers, une
balance, deux pipettes pasteur, deux flacons sans étiquettes)

Gunpowder residue is most likely to show up where on a shooters hands

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.