Suppose you are a particle og watet in a lake. Describe what happens to you when a motorboat passes by.

How many moles of oxygen atoms are present in 2.0 grams of oxygen gas, O2?

What mass of Fe2O3 would react with 20.00 g of Zn? The chemical equation for this reaction is: 3 Zn + Fe2O3 → 2 Fe + 3 ZnO

Which must be the same when comparing 1 mol of oxygen gas, O2, with 1 mol of carbon monoxide gas, CO? the mass the volume the number of molecules the number of oxygen atoms

1. What is the basic unit of organization of all living things

In order for the Colorado River to carve the deep Grand Canyon, what must happen first? A. Uplift of the Colorado Plateau B. Motion along the San Andreas fault C. Uplift of the Appalachian Mountains D. Rifting of supercontinent Rodinia

Why is it important for an engineer who is designing a new home-cooling/heating system to have knowledge about the transfer of heat?

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g) Also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the

What is the name of the outermost layer that forms a boundary around the outside of each cell

Intact cells of two unknown cell types were placed into solutions with different concentrations of NaCl. Type I cells swelled and burst in the solution with the lowest concentration of NaCl.

Write a checklist with at least three entries for how you can evaluate whether scientific information is reliable.