One mole of nitrous acid (hno2) contains 1.00 gram of hydrogen (h), 14.0 grams of nitrogen (n), and 32.0 grams of oxygen (o). what is the percent composition of nitrogen in nitrous acid?

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize

What is the value of the standard enthalpy of formation of an element in its most stable form?

What would be the original temperature of a gas that has a volume of 2.0 l and a pressure of 2.0 atm and an unknown temperature that the volume increased to 3.5 l in its pressure decreased to 1.0 atm if the final temperature is measured to be 11°c