If you negate reaction 2 and combine the reactions, which substances do not cancel? check all that apply.
-h2
-hcl
-h2o
-mg
-mgo
-mgcl
-o2

Determine the mass of fuel required for the expected energy consumption in the united states for the next ten years. energy use per person per year in the united states = 3.5 x 1011joules base calculations on current population of 310,000,000.

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?