Ejercicios FyQ
Ejercicios Resueltos, Situaciones de aprendizaje y VÍDEOS de Física y Química para Secundaria y Bachillerato
Calcula la concentración porcentual en masa de una disolución cuya masa es de 250 g, sabiendo que contiene 25 g de soluto disueltos.
a) The normal body temperature is . Express this value in K.
b) If an object has a temperature of 354 K, what is its temperature in Celsius?
What type of energy is involved in each of the following situations?
a) Wood is burning in the fire.
b) A radio station is broadcasting its usual program. Waves are coming out of its antenna.
c) A mobile phone is playing music.
Define, with your own words, what energy is. Explain three different types of energy.
Calculate the final volume of a gas at and 1.1 atm, when its volume is 3 L and the temperature and pressure are increased to and 1.3 atm.
Define, with your own words, the following concepts:
a) Pressure
b) Heat
c) Molecular Kinetic Theory for gases.