What is the ionic equation for this reaction: MgO (s) + 2HCl (aq) = MgCl2 (aq) + H2O (l)

Please let me know how you worked it out, thankyou!!

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?