What is the solubility of PbCl2 in 0.0 1M HCl solution if its solubility product is 1.6 into 10 raised to the power of -6

Use examples from the article to explain one positive and one negative effect that chemistry has had on society

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared