The reaction below shows potassium oxide being produced (KO2) by combining oxygen (02) with potassium (K). The mass of potassium is 50 g and the mass of oxygen is 12 g. 0,+KKO, What is the mass for the potassium oxide that was produced? 623 160 50 g 125

Let v1, v2, w be three linearly independent vectors in r 3 . that is, they do not all lie on the same plane. for each of the following (infinite) set of vectors, carefully sketch it in r 3 , and determine whether or not it is a vector space (i. e., a subspace of r 3 ). explain your reasoning

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

Argon, neon, and xenon are examples of