Which of the following involves a chemical change? A. Combining baking soda and vinegar.
B. Combining salt and water.
C. Sweetening iced tea.
D. Tossing a salad.

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)