An am radio station broadcasts news at 650 khz. what is the frequency of this radio wave in hertz?

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!

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

Label a-f based on the table using c for concentrated and d for dilute