If a metal ore contains 12.4% pure metal, how

many pounds of pure metal can be obtained

from 55 pounds of metal ore?

This metal is very reactive, has properties similar to magnesium, and is in the same period as bromine. What element is this?

What is the energy conversion that occurs in cellular respiration?

Balance this chemical equation. Choose "blank" for the box if no other coefficient is needed. Writing the symbol implies "1." Al + O2 → Al2O3

How can u describes a true solution?

After three half-lives, a sample contains 20 grams of parent isotopes. How many grams of the parent isotope were present to start?

What type of compounds dissolve easily in water?

One reactant with a mass of 10 grams is combined with another reactant with a mass of 8 grams in a sealed container. After the reaction, what is the most reasonable prediction for the total mass of the products of this reaction?

For something to be considered an organic macromolecule, what chemical element must be found in it

Methylpentane is held in a closed container at 150°f. both gas and liquid are present. what is the pressure in the container

What percent in all genes C. elegans are active all the time 10% 20% 60% 80%