Tính pH của dung dịch acid H2S 0,02 mol/L, cho pKa từng nấc của H2S lần lượt là 7,04 và 14,92

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness

For the reaction c6h14(g) & longrightarrow; c6h6(g) + 4h2(g), δp(h2)/δt was found to be 2.5 x 10-2 atm/s, where δp(h2) is the change in pressure of hydrogen. determine δp(c6h14)/δt for this reaction at the same time.