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You are studying the effect of Vitamin C on cholesterol levels in mice. Group A mice receive a diet that has no Vitamin C and  Group B mice receive the same amount of another diet with vitamin C.  What is the independent variable in this experiment?

Which of the following is the definition of a covalent bond?

Which is the rarest property among compounds but is found in water?  

You leave a full water bottle in the freezer overnight. When you take it out the next day, you notice that the water has frozen and the bottle is cracked. What property of water do you observe here?

How are gasoline and fat  chemically similar?

How many grams of Lactic acid with a molecular formula (C3H6O3) are in 1 liter of a 0.5 M solution of Lactic acid? Atomic mases: C= 12, H= 1, O= 16.  

Which of the following kingdoms has organisms that are all multicellular and are autotrophs

Which of the following functional group would make a molecule acidic?

Define electronegativity. (1pt) Which element in the list is the most electronegative? (1pt) Hydrogen, Carbon, Oxygen, Flourine.

Based on your knowledge of the polarity of water molecules, what is the charge on the solute molecule?