Answer:false
Explanation:matter cannot be created or destroyed in a chemical reaction it is rearranged
Answer:
H2O
Explanation:
PLS MARK ME TO THE BRAINLIST
Answer:
there are 3 significant figures
Explanation:
do not count the first 2 zeros. only the nimbers after the zero
population is the number of species living in a given area if this is regarding biology or earth studies :)
Answer:
[H₃O⁺] = 1.82 x 10⁻¹⁰M
Explanation:
[H₃O⁺][OH⁻] = Kw = 1.0 x 10⁻¹⁴ = [H₃O⁺](5.5 x 10⁻⁵) => [H₃O⁺] = (1.0 x 10⁻¹⁴/5.5 x 10⁻⁵)M = 1.82 x 10⁻¹⁰M
