An oxide of nitrogen was found by elemental analysis to contain 30. 4% nitrogen and 69. 6% oxygen. If 23. 0 g of this gas were found to occupy 5. 6 l at stp, what are the empirical and molecular formulas for this oxide of nitrogen?.

Afood web shows who eats who in any given habitat. every living thing, from one-celled algae to giant blue whales, needs food to survive. each food web is a possible pathway that energy and matter can follow through the habitat. a food web begins with producers: organisms that convert sunlight into usable chemical energy. the food web is completed by the decomposers who turn organic wastes, such as decaying plants, into inorganic materials, such as nutrient-rich soil. decomposers complete the cycle of life, returning nutrients to the soil or oceans for use by producers. in this food web, identify the decomposer.

Hree steps to answering test questions correctly include a. underlining, repeating, reading c. reading, undoing, eliminating b. reading, underlining, erasing d. reading, underlining, eliminating

To safely control the traffic flow and protect workers near public roadways and moving construction equipment use you could use