Predict the products of a reaction between Ba(NO3)2(aq) and K2SO4(aq).    (Hint: DO NOT FORGET TO BALANCE CHARGES OF IONS IN THE FORMULAS)  

How many moles of chromium atoms are contained in 7.54 g of chromium?

What is the net ionic equation for a reaction between a weak acid and strong base.  

A solution is prepared by dissolving 17.32 g of K3PO4(MM=212.2663g/mol),  in enough water to make 375 mL of solution.  What is the concentration of the solution in units of molarity?

What is the final concentration of HCl in a solution prepared by the dilution of 12.0 mL of 12.0 M HCl to 500.0 mL?   

 What notation is used to indicate that salt precipitates in the reaction?  

A solution is prepared by dissolving 17.22 g of KSCN (MM=97.181 g/mol),  in enough water to make 275 mL of solution.  What is the concentration of the solution in units of molarity?

Which of the following is NOT found in a molecule of DNA.

Bacterial cells replicate by going through the process of binary fission to create 2 daughter cells. This process is which type of gene transfer? 

The best evidence suggest that from Chapter 1 in Separate Games, the first professional black baseball team that was founded in 1885 was