In a closed system, equal amounts of aluminum and chlorine react to produce aluminum chloride. What is the limiting reactant? 2Al + 3Cl2 2AlCl3

Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right

Enzymes affect the reactions in living cells by changing the

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: