Determina la cantidad, en masa, de Cu(NO3)2 que podemos obtener, al tratar 25 g de Cu con un exceso de HNO3, si en la reacción obtenemos también NO2 más agua. ( masa atómicas: Cu:63,5 g/mol; N:14 g/mol; O:16 g/mol) Cu + 4 HNO3 ↔ Cu(NO3)2 + 2 NO2 + H2O

Which are forms of frozen water? check all that apply. dew frost hail rain sleet

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. moss campion is one of the plants found in the alpine biome. it has small leaves and a cushion shape that protect it from the wind and freezing temperatures in the alpine. how has the moss campion adapted to enable its survival in the alpine biome? a. waxy needles b. cone-shaped c. thin trunks d. low-growing