Evaporation loses of water in irrigation ditch (30 pts) water at 25°c is flowing in a covered irrigation ditch below ground. every 150 ft there is a vent 1.0 in inside diameter and 10 ft long to the outside atmosphere at 30°c. there are 15 vents in total. the outside air can be assumed to be dry. calculate the total evaporation loss of water in ib/day.

a chemical reaction happens

explanation:

the density of gold = 19.3 g/cm3

the relation between density and mass and volume is

density = mass / volume

given :

mass of gold = 13 g

density = 13g / volume = 19.3

volume = 13 /19.3 = 0.67 cm^3

thus volume of gold nugget = 0.67 cm^3

atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8