Why is a piece of apple rotting a chemical change

Fe2O3 (s) + 3CO ( g. → 2Fe (s) + 3CO2 ( g. How many grams of iron can be produced from 1.00 kg Fe2O3?

What unit would you use if you were measuring the average kinetic energy of a substance?

Find mass of 2.5 moles of h20

Many solid air fresheners work by releasing particles into the air. Which change of state is this an example of?

100 ml of soft drink A contains 75g of sugar and weighs 110g. calculate density

For the baeyer-villiger oxidation of cyclohexyl methyl ketone

What will happen if the density of an object is less than the density of water?

Which cannot be separated into simpler substances? compound element solution mixture

What jobs involve chesmistry

Think about a neutral magnesium atom. Then think of a magnesium ion with a 2+charge. How are these two alike? How are they different? Be sure to use the terms proton, neutron, and electron in your answer.