Two samples of nitrogen dioxide are decomposed into their constituent elements. One sample produces 19.2 g of oxygen and 8.40 g of nitrogen, and the other sample produces 12.0 g of oxygen and 5.25 g of nitrogen. Which pair of ratios accurately demonstrates that the results are consistent with the law of definite proportions?

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

What’s the theoretical yield of solid lead