Se necesitan 280cal para que 100gr de mercurio pasen del estado solido al estado liquido a la temperatura de fusión de -
39°C. ¿Cuál es el calor latente de fusión del mercurio?

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.

Explain why you think this diagram shows what happened to the carbon in the biodome.

Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.