Calculá la masa que corresponda en cada caso. a) Se prepara una solución con 250 cm3 de agua y 20 g de azúcar. Si la densidad del agua es de 1 g/cm3, ¿cuál es la masa de solución?
b) Se sabe que en 350 g de una solución acuosa hay disueltos 12 g de sulfato cúprico. ¿Qué masa de agua se utilizó para preparar la solución?

AYUDA POR FAVOR, ES PARA MI FINAL

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground.what is his gravitational potential energy above the ground?