What is the concentration of a solution in which 10.0 g of agno3 is dissolved in 500 ml of solution?

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

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?