Assume 3 molecules of fe react according to the following equation. 3fe + 4h2o fe3o4 + 4h2 how many molecules of h2 are produced? how many water molecules are required? what is the mole ratio of fe to h2o? how many hydrogen molecules (h2) are involved in this reaction?

In apex! a liquid heated beyond a certain temperature becomes

What substance has a mass of 9.5g and volume of 2.1cm^3

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.