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Identify the following as an element, compound, homogeneous mixture, or heterogeneous mixture: bromine ( Br2 )

Evaluate the following chemical formula, Fe2(CO3) 3. How many total atoms are found in this compound?

EXTRA CREDIT: The following questions are Extra Credit Questions.  These questions come from the Smith Textbook Focus on Health & Medicine Topics and other opportunities provided. You can earn up to 5 points of extra credit by answering these questions.  I suggest you give them a try because you may know the answers even if you have not reviewed the textbook or watched the video. The questions are graded holistically.

Describe at least three differences between a sealed bottle of water (H2O) and another sealed bottle containing hydrogen and oxygen (H2 and O2). Both bottles are at room temperature. (HINT: Think through your classification of matter chart and your states of matter chart).  Format your answer by creating a chart similar to the one below.   You do not need to write in complete sentences. Difference Bottle of Water           (H2O)                   Bottle of Hydrogen & Oxygen             (H2 and O2)                    (1) (1) (2) (2) (3) (3)

What specific class of matter is a 3% hydrogen peroxide solution?

Which of the following does not describe a compound?

Examine the sample of matter displayed at the atomic level in the container below. What type of matter does the sample of matter represent?  

(1)  MULTIPLE CHOICE / TRUE or FALSE:  Chapter 1–Part 1:  Matter  (29 points) 22 questions 

The Mexican president who took steps to centralize power in 1835 by sending his vice president into exile, disbanding Congress and dissolving the state legislatures was named

The case involving the question of “Are states allowed to control commerce between states?” was