Consider an atom of gold in which the nucleus contains 79 protons and 118 neutrons. what is its atomic number and atomic mass number?

How many liters of oxygen gas can be produced if 28.7 grams of water decomposes at 294 Kelvin and 0.986 atmospheres? Show all of the work used to solve this problem. 2H2O (l) yields 2H2 (g) + O2 (g)

Select the following group of elements that contains elements with similar chemical properties A. N, As, Bi B. Rb, Sn, In C. Li, Mg, Ga D. W, Tc, Fe

Hexokinase iv has a km value that is substantially higher than the km for other hexokinases. what is the significance of this fact?

Guanine is one example of nitrogeous base that is a ... ?

Strong bases are a also strong acids. b weak electrolytes. c nonelectrolytes. d strong electrolytes.

Convertible bonds are examples of: a. Securities that have characteristics of both debt and equity b. Non-recurring items c. Assets d. Treasury stock

At what temperature would the volume of a gas be 0.550 L if it had a volume of 0.432 L at - 20.0 o C?

A sample of a compound contains 9.11 g Ni and 5.89 g F. What is the empirical formula of this compound? A.) NiF B.) Ni3F2 C.) NiF2

Combining aqueous solutions of bai2 and na2so4 affords a precipitate of baso4. Which ions are spectator ions in the reaction?

Which kind of wave increases in height due to strong winds?