What is the total number of moles of electrons needed to produce one mole of Mg metal from MgCl2?

The molar mass of the common antibiotic oxytetracycline is found to be 460 g mol-1 and a 2.000 g sample contains 1.1478 g of carbon, 0.10435 g of h, 0.62609 g of oxygen and the remainder being nitrogen.

Which statement supports the claim that the continental crust was once joined together as one supercontinent, Pangaea?

What is it called when a gas is converted into a liquid

What mass, in grams, of aluminum hydroxide will be required to prepare the 4 L of a 1.75 M solution?

A person has a height of 65 inches You want to find out the height of that person in centimeters. Which unit conversion would you use?

Which phase of matter has a fixed volume but variable shape

Given 10.8 grams of substance Y, if the substance absorbs 231 kilojoules of energy and the specific heat of the substance is 6.55 J/g·°C, what is the change in temperature?

Which sphere includes rocks and minerals? A. atmosphere B. biosphere C. geosphere D. hydrosphere

What defines a material as being a mixture?

What do igneous rocks form from? (20pts!)