An 25 gram irregularly shaped stone was lowered into a graduated cylinder holding a volume of water equal to 2 ml. The height of the water
rose to 7 ml.
a. What was its density in grams/mL?
b. What is the density in Kg/cm??

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million

Newtons second law deals most cosely with

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?