6. Making Sense: Describe how the molarity changes if you dissolve 10.0 g of NaCl in increasingly larger volumes of water. 7. If You Finish Early: How many grams of potassium bromide, KBr, are in 100.0 mL of a 0.50 M solution?

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.