the movement of molecules from an area of low concentration to an area of high concentration occurs in what transport?

What would happen to a coral reef if sea levels suddenly rose?

Humans face a problem because once petroleum reserves begin to run out, there won't be enough fuel to power all the automobiles in the world. Which of the following is the best potential long-term solution to this specific problem of energy supply?

Which noble gas is closest to sulfur on the periodic table

Which of these gases is most responsible for the greenhouse effect on earth? oxygen (o2) nitrogen (n2) carbon dioxide (co2) ozone (o3) ammonia (nh3) ?

What fossils prove that Kansas once was an underwater environmentmammal fossils A. mammal fossils B. marine fossils C. bird fossils D. plant fossils

According to Newtons's first law, which characteristic of a moving object would remain constant if there were no other force of acting of it? A. Size B. Mass C. Shape D. Speed

Standard reduction potentials are 1.455 V for the PbO2 (s) / Pb (s) couple, 1.82 V for Co3 (aq) / Co2 (aq), 3.06 V for F2 (g) / HF (aq), 1.07 V for Br2 (l) / Br - (aq), and 1.77 V for H2O2 (aq) / H2O (l).

Which compound is inorganic? a. glucose (c6hl2o6) b. carbon dioxide (co2) c. ethane (c2h6) d. stearic acid (cl8h36o2) ?

Pure aluminum metal has a density of 2.70 g/cm

A 0.250-g chunk of sodium metal is cautiously dropped into a mixture of 50.0 g of water and 50.0 g of ice, both at 08C. The reaction is 2Na (s) 1 2H2O (l) 88n 2NaOH (aq) 1 H2 (g) DH 5 2368 kJ