For the reaction represented by the equation SO3 + H2O  H2SO4, calculate the percentage yield if 500. g of sulfur trioxide react with excess water to “actually” produce 570 g of sulfuric acid. The “theoretical”amount of product is 612.5 g.

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

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?

Read "who built the pyramids? ”. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.