In the above problem(Question 9) which one is the limiting Reagent?       (Remember: 6.0 mol Al2S3 and 8.0 mol H2O are reacted)      

Useful Formula:                                                Molarity = Moles of solute / 1 L of solution.                                            Dilution = M1V1 = M2V2                                 

Write the names of the following acid. 1,     H3PO4   2.    H2CO3     3.  HClO2

Why do we line up decimal points before adding or subtracting decimals? (So that we can get the correct result. Yes. But why does this work? What are we ensuring by lining up the decimal points?)

Identify the type and subtype of each of the following problems:

A store buys action figures in boxes. Each box contains 50 bags, and each bag contains 6 action figures. At the beginning of the month, the store has 7 unopened boxes, 15 unopened bags, and 3 individual action figures.At the end of the month, the store has 2 unopened boxes, 37 unopened bags, and 5 individual action figures.How many action figures did the store sell during the month (assuming they got no additional shipments of action figures)? Write your answer in terms of boxes, bags, and individual action figures. (Hint: work with boxes, bags, and individuals in a sort of expanded form and use regrouping to solve this problem)

The five unfused vertebrae of the lower back are the:

Mature bone cells located within lacunae are called:

Using the skull diagram, which diagram label identifies the maxilla?

Using the skeleton diagram, which diagram label identifies the ulna?