Quien me puede ayudar en este ejercicio: ejercicio sobre propiedades coligativas

cual es la presion osmatica a 25 grados de una soluicion que se prepara disolviendo 0.326 gramos de Urea co(NH2)2 en agua, hasta completar 200 ml

doy muchos puntos

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water

What are the advantages of using the metric system? designed as a decimal system making conversions simpler more accurate system of measurement has prefixes that correspond to an amount to use with all base units used by the entire scientific community