Keynesian macroeconomic theory has been summarized as the idea that

Identify one branch of chemistry and state what the branch of chemistry studies. (2 points)

Identify the following as a physical property, a chemical property, a physical change, or chemical change: Calcium was placed in water and bubbles formed.

EXTRA CREDIT–From “Unusual States of Matter” Video: Name one of the unusual states of matter, describe what it is and give an example of this type of matter?

Which of the following does not describe a compound?

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

What is the definition of chemistry (include main definition and the 3 things studied in chemistry)? Answer in complete sentences for full credit. (5 points)

FREE RESPONSE SECTION:  The following questions require that you write out your answers.  

EXTRA CREDIT: The following questions are Extra Credit Questions.  These questions come from a variety of resources including the Corwin Textbook Articles, the Revell eText Articles and the “Unusual States of Matter” Video. 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 read the articles 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). (3 points) 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)