Apassenger jet contains 4050 kg of copper wiring.
a rock sample contains 1.25% cufes2 by mass.
calculate the mass, in tonnes, of rock needed to produce enough copper wire for
a passenger jet. (1 tonne = 1000 kg)

Aphysical reaction is a process in which one or more reactants change into one or more products with different properties. select the best answer from the choices provided t f

Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent

At the current rate, a graph of carbon dioxide produced by fossil fuels over time would slope upward slope downward be horizontal be vertical