Which equation is obeying the Law of Conservation of Mass? A. Cu + H2SO4 → CuSO4 + H20+ SO2
B. 4Cu + S8 + 8Cu2S
C. 2Fe + 302 → Fe203
D. 2Na + 2H20 → 2NaOH + H2

Which of the following statements is true? question 4 options: nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates do not. neither chemical reaction rates nor nuclear decay rates vary with the conditions of the reaction. both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction.

Aspirin has a density of 1.40 g/cm3 what is the volume in cubic centimeters of a tablet weighing 320 mg ?

What are the similarities between compounds and mixtures?