How can the shape of a molecule determine its polarity? A. A tetrahedral molecule will never be a polar molecule.
B. A linear molecule will always contain polar bonds.
C. A symmetrical molecule cancels out the effects of polar bonds.
D. A symmetrical molecule will only have nonpolar bonds.

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block

Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]