When one or more substances undergo a chemical reaction, the
a
Mass of the reactant increases and the mass of the
product decreases.
Mass of the reactant decreases and the mass of
b the product increases but the total mass remains
the same.
C
Mass of the product and the reactant remains the
same.
d None of the above

Clouds form when water vapor to form small droplets. a. humidifies b. condenses c. evaporates d. precipitates

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

Why does a cake rise when you bake it? ♡