Which is an example of an energy transformation?
(A) a soccer ball sitting in a field.
(B)
a person waiting at a crosswalk.
(C)
an unlit candle.

(D)
a boulder falling off a tall cliff.

Select the correct answer. when carbon dioxide dissolves in water, it sometimes reacts with water to form carbonic acid as in this balanced equation: co2 + h2o → h2co3. if 495 milliliters of carbon dioxide at 25°c and 101.3 kilopascals reacts with excess water, what is the theoretical yield of carbonic acid? use the periodic table and the ideal gas resource a. 0.889 g b. 1.10g c. 1.27g d. 2.02g what's the answer! quick!

What human activity increases beach erosion?

Word equation for k+ h2o yield koh + h2