What is the molecular mass of each compound to two decimal places? C2H2  [bart7] CO  [bart8] BF3  [bart9]

3. ______

If you are a day trader you would probably utilize a(n)

How many grams of CO2 are produced if 2.09 mol of HCl are reacted according to this balanced chemical reaction?   CaCO3   + 2HCl   –>  CaCl2 + CO2 + H2O

You bought IBM stock at $70 per share. It is now $120 a share. You think it could go higher but you are nervous that it could go down and you would lose your gains. To protect your gains but still give yourself the chance to make future profits you could place a

What is the mass of 5.00 x 1023 carbon atoms in grams?

Write the chemical formula for a compound made from sodium and chlorine. [blue1] Name the compound.  [blue2] Is it an ionic or molecular compound?  [blue3]

Make the following conversions: How many centimeters are in one meter?  [Ann1] How many kilograms are in one gram?  [Ann2] How many milligrams are in one megagram?  [Ann3]

Express each number in standard form. 8.03 x 104  [Fay10] 8.03 x 10-4  [Fay11] 7.635 x 102  [Fay12]

What is the number of protons in the nucleus of each element? Sodium  [Joe1] Oxygen  [Joe2] Chlorine  [Joe3]