Identify the number of atoms on the reactant side of the chemical equation.

Fe2O3 + 3H2 → 2Fe + 3H2O

There are blank Fe (iron) atoms.

There are blank O (oxygen) atoms.

There are blank H (hydrogen) atoms.

What is the asthenosphere made out of? a. Solid Rock b. Liquid Rock c. Liquid Iron d. Solid Iron

What happens to the chemical bonds during energy exchange?

What document details the type of medical care that you wish to receive if you become incapacitated due to a physical or mental illness?

Which term describes a slowdown in the rate of increase in the consumer price index?

In a young's double-slit experiment, the angle that locates the second dark fringe on either side of the central bright fringe is 6.5 degrees. find the ratio d/λ of the slit separation d to the wavelength λ of the light.

When a surface vibrates, air is forced to move, creating a sound wave. What kind of force is exerted by the moving surface on the air?

An 800-N billboard worker stands on a 4.0-m scaffold supported by vertical ropes at each end. If the scaffold weighs 500 N and the worker stands 1.0 m from one end, what is the tension in the rope nearest the worker?

When would you use a compound microscope?

What does a Battery and a human have in common?

Why is it better to search new a cliff for a fossil then near a volcano?