Which net ionic equation describes this reaction? Mg(NO3)2(aq) + Na 2CO3(aq) → MgCO3(s) + 2NaNO 3(aq)

Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world

Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea