A mass of 5. 4 grams of aluminum (al) reacts with an excess of copper (ii) chloride (cucl2) in the solution as shown below. What mass of solid copper (cu) is produced? 3cucl2 + 2al ---> 2alcl3 + 3cu.

Which of the following would be considered a nec code violation in regards to the installation of luminaires? a. an outdoor lighting fixture mounted to a tree b. a five-pound, 12-inch diameter light fixture supported by the screw shell of the lampholder c. florescent lay-in fixtures attached to the framing sections of a suspended ceiling with sheet-metal screws d. track lighting over a sink, 2 feet from a bathtub