What type of reaction is this? 2 al + 3 cucl2 - - - > 2 alcl3 + 3 cu?

Yogurt has an approximate pH of 5 and vinegar has an approximate pH of 3. How many times more acidic is vinegar compared to yogurt in terms of concentration?

Blank can be made in the field or in the laboratory

A Helium Balloon contains 24.3 moles of Helium Gas. How many grams of Helium is this? 0.165 g 6.01 g 97.2 g 1.46 x 10^25 g

Suppose you have 150. ml of a substance with density of 28.0 g/dm3. convert the volume from milliliters to liters to cubic decimeters, then determine the mass of the sample in grams.

When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. CaCO 3 (s) + 2 HCl (aq) ⟶ CaCl 2 (aq) + H 2 O (l) + CO 2 (g) How many grams of calcium chloride will be produced when 28.

How do find the volume of 60.0g of ether if the density is. 70g/mL?

Did the test solution react with the supernatant from the test tube that had the largest amount of precipitate? what can you infer about the molar ratio of this reaction?

Contrast mixtures with pure substances

A standard cell potential of which value describes a spontaneous redox reaction?

Using the combined gas law, if the volume of a gas at 155kPa changes from 22L to 10L. What is the new pressure if the temperature remains constant?