The molar mass of a compound is 423g/mol. If the empirical formula is AIC2H2O2, what is its molecular formula?​

How does the viscosity of magma change as magma cools?

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.

Water undergoes a large change in density at 0 ∘ c as it freezes to form ice. calculate the percent change in density that occurs when liquid water freezes to ice at 0 ∘ c given that