2points
which characteristic of water allows it to absorb large amounts of energy
without a large rise in temperature?
o
a. its high specific heat
b. its fields of methane ice sheets
o
o
c. its hydrothermal vents
o
d. its low salinity
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Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit