Which statement best explains why carbon is present in so many kinds of molecules?
question 1 options:

it is abundant on earth, so it is readily available to bond with other elements.

it does not form strong bonds, so it breaks apart.

it has 4 valence electrons so it easily bonds to other molecules

it has valence electrons.

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

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

For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2