Why is the enthalpy of formation of oxygen zero?

Is wastewater physical properties or chemical

Use the development of the atomic model to explain how scientist recline and build off each other's findings in order to develop a theory

What is the Law of conservation In Chemistry

Why do the noble gases NOT form compounds readily? a. They have empty outer energy levels. b. They have no electrons. c. They have seven electrons in the outer energy levels. d. Their outer energy levels are completely filled with electrons.

Which of the following statements is true? A. An organism is made up of one or more cells. B. A chromosome is a unit of information inside a cell. C. Four nitrogen bases code for all of the genetic information in organisms. D. all of the above

what combination will result in a acidic solution? a reaction of strong acid and strong base b reaction of strong acid and weak base c a reaction of weak acid and strong base d reaction of weak acid and weak base

How many moles of sucrose (C12 H12 O11) would be in 7.1 liters of a 0.93 molarity solution of sucrose?

If the temperature is constant what change in volume would cause the pressure of an enclosed gas to increase by a factor of 4

For the reaction of carbon with carbon dioxide to make carbon monoxide, one set of conditions produced a Kc = 1.2 * 10-1. At equilibrium at a certain temperature, the concentration of product was 0.60 M.

Water is a colorless and odorless liquid. It can exist in solid, liquid, and gas states. It boils at 100 degrees C and melts at 0 degrees C. Which option best describes this information? A. These are the physical properties of water. B.