Is made by the ears to prevent pathogens from entering the body A) wax. B) bile. C) mucus. D) pus

A certain chemical reaction occurs and the temperature of the products are warmer than the reactants. Based on this, which is true? Select all that apply. A: The enthalpy is negative. B: this reaction is endothermic.

How can we make use of acids or bases to remove metals from soils?

The element oxygen, represented by the symbol O, is classified as A. a compound. B. a mixture. c. a pure substance. D. a solution.

What is the molar mass of CaI2?

Why is it possible to see the iced tea in a clear glass pitcher

1 What characteristic of an element determines how its atoms can bond with other atoms?

The law of conservation of mass states that during a chemical reaction, total mass is

What information is needed to write a correct chemical formula to represent an ionic compound?

In order for a solute to dissolve in a solvent, what must be true?

If a plane is traveling300 mph how long will it take to travel 1800 miles