All spiral galaxies have both a disk and spheroidal component to their stellar populations.

Carlos prefiere que nosotros ___________ pizza.

Determine the chemical formula if the following combined to form an ioniccompound- if the ions are not written- you must first determine what charges the atoms become when they become an ion- then determine the correct ratio of cation to anion- where electroneutrality will exist.   Al3+ and PO43-   Be sure to use the subscript and superscript feature to correctly express the formula in the correct format. 

Classify the TYPE of the reaction shown below. 

Draw (on your own paper- not here) 3 possible isomers of hexene. Name and DESCRIBE them in the essay box here. 

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Particles such as electrons, protons, and atomic nuclei that zip through interstellar space at close to the speed of light are classified as _________________  ______________ (two words).

Name the following: 

X-ray images of the Sun generally show the

How many kJ of heat would be RELEASED when g of water vapor condenses?  Hf = 334 J/g        Hv= 2260 J/g  *Hint: which phase change is condensation the reverse of?