Chapter 1, Problem 1.15E

Which of the following is not an example of a chemical property and why? 1. An iron nail will rust in water 2. Sugar will dissolve in water 3. A steak on a hot frying pan will turn brown. 4. Gasoline will burn if ignited 5. Water can be decompos to hydrogen and oxygen.

A ______________________is the physical combining of two or more substances (not necessarily elements). The composition may vary, the substances retain their properties, and they may be separated by physical means.   Is it a compound or mixture?

What is the mass of 4.00 cm^3 of sodium, with a density of 0.97 g/cm^3?

Suppose the metallic paper clips (which contain iron) had been replaced by magnesium or nickel. Would using a magnet as a method of separation have worked?

Give the chemical symbols for the following elements:(a) potassium, (b) tin, (c) chromium, (d) boron,(e) barium, (f) plutonium, (g) sulfur, (h) argon,(i) mercury (see the table inside the front cover).

give the chemical symbol or name for the following elements, as appropriate 1 sulphur 2 gold 3 potassium 4 chlorine

What is the volume, in cubic centimeters (cm^3) of 1.00 kilograms of gold?

Which of the statements describes a chemical property? Helium is the lightest monatomic element. Water boils at 100 ∘C.100 ∘C. Mercury is a liquid at room temperature. Sugar burns in air to form water and carbon dioxide.

Which of the following figures represents (a) a pure element,(b) a mixture of two elements, (c) a pure compound, (d) amixture of an element and a compound? (More than onepicture might fit each description.)