Write the chemical formula, condensed formula, and lewis structure for each of the following hydrocarbons:
(a) heptane
(b) 3-methylhexane
(c) trans-3-heptene
(d) 4-methyl-1-hexene
(e) 2-heptyne
(f) 3,4-dimethyl-1-pentyne

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

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

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.