La presión de un gas se debe ...* -al número de colisiones de moléculas contra las paredes del recipiente por unidad de
área
-a la masa de las moléculas.
-al tamaño de las moléculas.
-Ninguna de las anteriores es correcta.

What are transitions between a liquid and a solid called? identify which way they are transitioning

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.