IX - Clasifica las siguientes propiedades según sean en físicas o químicas, justifica tus respuestas: a) La temperatura de ebullición del agua es de 100°C
b) El cobre conduce la corriente eléctrica
c) Los carbohidratos se fermentan produciendo alcohol
d) 'El deshielo del agua
e) La densidad del agua
f) Quemar una astilla de madera

Which best explains why an iceberg floats?

Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?