Consider the formation of glucose from carbon dioxide and water, that is the reaction of the photosynthesis process:

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

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer

Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g.  what is the percent by mass of water in the hydrate?   %