The internal energy change (in J) when 90 g of water undergoes complete evaporation at `100^(@)C ` is ______ . (Given : `Delta H_("vap")` for water at 373 K = 41 kJ/ mol , `R = 8.314 JK^(-1) mol^(-1)`) US$ 23.35 Min. order: 1 piece ★★★★★ 5.0 (249 reviews) Sold : Login>>
Jam Monster Strawberry Juice Strawberry Jam VG 75% Short Fill US$ 28.53 Min. order: 1 piece ★★★★★ 4.1 (163 reviews) Sold : Login>>
E Liquid - Premium Vape Juice Flavours US$ 24.21 Min. order: 1 piece ★★★★★ 4.4 (74 reviews) Sold : Login>>
Heidolph Hei-VAP Core HL G3 Flacon d'élimination de 5 l, bain de 4,5 l | Buy Online | Heidolph™ US$ 24.05 Min. order: 1 piece ★★★★★ 5.0 (61 reviews) Sold : Login>>
Système cannabinoïde et douleur : quelle place en thérapeutique ? US$ 28.80 Min. order: 1 piece ★★★★★ 4.1 (90 reviews) Sold : Login>>