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.

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver