Which of the following solutions is the weakest base? a) pH 2.3
b) pH 4.6
c) pH 6.6
d) pH 7.9
e) 12.5

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided