If the pH of a wine is too high, say, 4.0 or above, the wine becomes unstable and has a flat taste. (a) A certain California red wine has a pH of 3.4, and a certain Italian white wine has a pH of 2.5. Find the corresponding hydrogen ion concentrations of the two wines. (Enter your answers to five decimal places.) California red 0.0004 Correct: Your answer is correct. M Italian white Incorrect: Your answer is incorrect. M

answer; i believe the correct answer is (c) /// is a homogeneous mixture of gaseous substance nitrogen,oxygen and smaller amounts of other substancesmixtures can be either ( homogeneous or heterogeneous)plz check first good luck

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.