Which of the following is a velocity? a) 30 m/s (meters per second) b) 30 m/s (meters per second) going down c) 30 km/s (kilometers per second)

Achef makes salad dressing by mixing oil, vinegar, and spices, as shown. which type of matter is the salad dressing?

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?