Which balanced equation represents a redox reaction? 1. mg + cl2 → mgcl2 2. cao + h2o → ca(oh)2 3. hno3 + naoh → nano3 + h2o 4. nacl + agno3 → agcl + nano3

Sugar is dissolved in water. which is the solute? sugar neither both water

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?