La tintura de todo es una disolución de todo en etanol con un porcentaje en masa de 2% . Vamos a mezclar etanol y yodo para preparar 390g de tintura de todo . ¿ que masa de yodo necesitamos ? , ¿ que masa de etanol necesitamos ?

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

An alarm clock has a current of 4.5 amps and a resistance of 3.2 ohms. what is the voltage in the circuit? a.1.4 volts b.0.71 volts c.14 volts d.46 volts

Identify the type of heat transfer occurring when chocolate melts in your hand