Alan has been driving 20 mph for the last half hour. The truck next to him has been there for a while now, so Alan is correct to assume that the
A)
)
truck is parked.
B)
speed of the truck is 10 mph.
speed of the truck is 20 mph.
D)
speed of the truck is 30 mph.

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .

Why is it possible for different microorganisms to extract energy not only from carbohydrates and other biological molecules but from a large variety of substances?