If you react 300 molecules of hydrogen and 200 molecules of oxygen, how many oxygen molecules will you have that do not engage in the reaction

A student studying this equilibrium begins with an equilibrium mixture that is light pink. What change will the student observe when the solution containing Fe3 + ion is added to this mixture

An object floats im sea water more readily because of sea water's

How is ti possible that, when adding protons while moving left to right across a period, the size of an atom shrinks? Why is the same trend not true as you move down a group? Give at least one example to support your answer.

Select the correct answer. An iron bar at 200°C is placed in thermal contact with an identical iron bar at 120°C in an isolated system. After 30 minutes, both iron bars are at 160°C.

What is the name of the device used to measure the heat transferred from one substance to another

Explain The relationship between engineering science and technology

Riya rides his bike 63 miles in 270 minutes. What is his average speed in miles per hour? Be sure to include the equation for speed in your answer. Answer quickly 2 min into question will mark brainlest

NaOH and bleach have several characteristics in common. They include all BUT one of the characteristics listed.

Mrs. Stark weighs 70kg. How much Potential Energy does she have if she stands on the roof of an 80m tall building?

The gravitational force of Earth is causing volcanoes on the moon. True or false?