Which of the following changes has a decrease in entropy? . a. hg n2o4 (g) 2no2 (g)
b.3o2 (g) + 2kcl (s) 2kclo3 (s)
c. c2h5oh (l) + 3o2 (g) 2co2 (g) + 3h2o (g)
d. h2o (l) h2o (g)

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

Which other elements contain the same number of outer electrons as sodium