How many ions that have a + 1 charge will bond with an ion that has a - 2 charge?

When hafnium metal is heated in an atmosphere of chlorine gas, the product of the reaction is found to contain 62.2% hf by mass and 37.4% cl by mass. what is the empirical formula for this compound?

Which part of earths interior is inferred to have convection currents that causes tectonic plates to move

Consider this reaction: Zn (s) + 2HCl (aq) ZnCl2 (aq) + H2 (g). Which change could decrease the rate of production of ZnCl2?

Describe the molecular shape of water (H2O). linear bent trigonal planar tetrahedral

Which sample of argon contains a total of 3.01 x 10^23 molecules at STP? A) 40.0g B) 22.4L C) 20.0g D) 11.2L

The combustion of propane occurs when propane interacts with oxygen gas to produce water and carbon dioxide in the following reaction: C3H8 (g) + 5O2 (g) = > 3CO2 (g) + 4H2O (l) If 2 moles of propane C3H8 (g) react at 373 K in a volume of 2.

If you can walk 2.1 miles in 35 minutes, how many days will take you to con the United States (3350 mi) if you walk 8 hours a day

How many electrons are in 1.01 oz of a pure gold coin?

When glass is spun into fine fibers, the trapped air makes a thermal insulator. A. TRUE B. FALSE

Which has a greater mass: 12 mol of salt (NaCl) or 7 mol of silver (Ag) ?