How many milligrams of a 20mg sample of cesium-137 remain after 60 years

Which transformation could take place at the anode of an electrochemical cell? Which transformation could take place at the anode of an electrochemical cell?

What is an acid dissociation? When can it not be calculated and why

Have you used febreze or glade air freshener? If so, how long did it last?

What is the relationship between a mole and Avogadro's number? O Amole is the mass of Avogadro's number of particles of a substance. O A mole is the amount of a compound that has Avogadro's number of carbon-12 atoms in it.

What causes the trade winds?

A 2.00 L container of gas has a pressure of 1.00 atm at 300 K. The temperature of the gas is halved to 150K, and the measured pressure of the same 2.00 Liter sample is 0.420 atm.

How many moles of ZnCl, will be produced from 23.0 g of Zn, assuming CuCl, is available in excess?

Glaciation in Alaska is a result of interactions between which of the following "spheres"? Check all that apply. A. biosphere B. exosphere C. geosphere D. cryosphere E. atmosphere F. hydrosphere

In the following equation: FeCl3 + O2 = Fe2O3 + Cl2, what is the limiting reactant if 4 moles of FeCl3 react with 4 moles of O2?

What are some special effects you can make with dry ice?