1. what are the units for force? 2. what makes a force balanced?

3. what is the net force when balanced?

im stuck on these can someone help me please?

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

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?

How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.