Complete the Lewis structure below of the organic molecule, amoxicillin, which belongs to the family of semisynthetic penicillins. Using both the completed Lewis structure and only the concepts taught about the hybridization model, answer the next five (5) questions. How many atoms in the completed Lewis structure use hybrid orbitals with bond angles of approximately 120 o between them

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?

Ablock of aluminum is dropped into a graduated cylinder with an initial volume of water at 75ml and the volumes rises to 90ml. if the block has a mass of 40.5 g what is its density ?