Me podrian ayudar porfavor con este ejercicio? 20 L de aire se comprimen desde 22 mm Hg hasta una presión de 5 atmósferas a una temperatura constante de 28 °C. ¿Cuál es el volumen final?

When light strikes a plane mirror, images form in locations where light does not actually reach. it only appears to the observer as though the light were coming from this position. what type of image is formed?

Ineed ! i have no clue how to do this problem.

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o