Given the balanced equation: Pb(NO₃)₂(aq) + 2NaCl(aq) ➔ PbCl₂(s) + 2NaNO₃(aq). What type of reaction is represented by this equation

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.