What would be the mass of an unknown liquid if 89.2 ml had a density of 75.2 g/ml?

What are the percent by mass of copper in penny lab

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?

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude