Calculate the maximum amount of useful work that can be obtained and comment on the spontaneity for the reaction at 25c :
c2h4(g) + 3 o2(g) --> 2 co2 (g) + 2h2o(l)

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

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.