If I have 6.02 x 10^23 atoms of silicon, how many grams of silicon do I have?

Does magnesium react to water?

The maximum number of electron that can occupy the third principle energy level is

3.311x divided by 10^25 particles=? moles

Which of the following is evidence of a physical change? haora

What do people mean when they say everything is connected

What is the mole ratio of N2 + 3H2 Right arrow. 2NH3

In a second-order reaction (one that is second order in one reactant), cutting in half the concentration of that reactant will have what effect on the reaction rate? A) The reaction rate will remain the same. B) The reaction rate will double.

How many moles of nitrogen gas are in a 10.0 L container at STP? a. 0.45 moles b. 22.4 moles c. 10.0 moles d. 6.02 x 1023 moles

In your own words, explain John Martin s theory about iron dumping.

List four common signs that a chemical reaction has occurred.