Which of the answer choices compares a chemical property of two substances? a. iron is harder than gold.
b. copper reflects more light than lead.
c. gasoline is more flammable than wood.
d. honey is thicker than water.

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

How much energy is made when a pice of wood burns. how do you know

What is a metal replacement reaction