The circumference of the earth is 40,000 km. The distance from the North Pole to the equator is one quarter of the circumference of the earth, which equals m.

10,000 km

Explanation:

Since the distance from the North Pole to the equator is one quarter of the circumference of the earth, you have to divide the circumference of the earth by 4.

(40,000 km)/4 = 10,000 km

The distance from the North Pole to the equator is 10,000 km.

Since the question wants the answer in meters, you need to convert kilometers to meters.

10,000 km  =  10,000,000 m

the potential energy of the reactants is 200j.

from the energy diagram, the energy of the product formed is 350j; this means that, this reaction is an endothermic reaction, because it absorbs energy from its environment.

the answer is barium and copper bromide