Given the equation 2SO2(g) + O2 (g)  2SO3(g), H° = –197.8 kJ per mole, find the quantity of heat
transferred when 8.54 grams of sulfur dioxide react completely.

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth