One hour of bicycle racing can require 500-900 kcal of energy. depending on the speed of the race, the terrain, and the weight of the racer. Tour de France riders must consume abnormal amounts of food to supply this energy. Food in the form of protein or carbohydrates produces 17 kJ of energy per gram consumed. How many kilograms of protein or carbohydrate must be consumed to provide the energy for 130 minutes of racing that requires 650 kcal/hr 1 kcal = 4.184 kJ.

convalent bond :

is a chemical bond formed by the sharing of electron between 2 atoms.

it is the direct chemical bond between 2 atoms.

in bond formation atoms are involved here.

electrovalent bond:

is a chemical bond defined as electroststic attraction between 2 atoms.

it is the electrostatic attraction between 2 atoms.

in bond formation, ions are involved here.

hope it

and ur welcm

: )

its first and third is your answer i did the qustion the fourth isnt right

can you list the answers so i can answer

in the analysis of systems that involve fluid flow, we frequently encounter the combination of properties u and pv.