Give the empirical formula of a compound that contains 11.6g iron and 5.01 g of oxygen

Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.

While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added