Which of the these is a balanced chemical equation? a) co(g) + o2(g) → co2(g) b) co(g) + 2o2(g) → 2co2(g) c) 2co(g) + o2(g) → 2co2(g) d) 2co(g) + 2o2(g) → 2co2(g)

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand