Find the areas of the following figures by counting square:

(a),(b),( c), (d), (e), (f), (g), (h), (i), (j), (k), (l),(m),(n)

Write the conjugate acid for the following (a)Cl^(-),(b)NO_(3)^(-),(c)HSO_(4)^(-),(d)HCO_(3)^(-),(e)SO_(4)^(2-),(f)CO_(3)^(2-),(g)NH^(2-), (h)N^(3-),(i)O^(2-),(j)H_(2)O,(k)NH_(3)

Find the area of the parallelogram whose adjacent sides are determined by the vectors vec(a) = hat(i) - hat(j) + 3hat(k) and vec(b) = 2hat(i) - 7hat(j) + hat(k) .

If U = { a, b, c, d, e, f, g, h} , find the complements of the following sets : B = {d, e, f, g}

Let U={a,b,c,d,e,f,g,h} find the complements of the following sets: C={a,c,e,g}

List the hormones secreted by the following : (a) Hypothalamus , (b) Pituitary , (c ) Throid, (d) Parathyroid (e ) Adrenal, (f) Pancreas, (g) Testis , (h) Ovary (i) Thymus, (j) Atrium , (k) Kidney, (I) G-I Tract (M) Transmission of a nerve impulse across a chemical synapse

Using s, p, d, f notations, describe the orbital with the following quantum numbers (a) n=2, l = 1 (b) n = 4, l = 0 (c) n = 5, l = 3 (d) n = 3, l = 2.

If U = { a, b, c, d, e, f, g, h} , find the complements of the following sets : C = {a, c, e, g}

Classify the following into elements, compounds and mixtures (a) sodium (b) soil, (c ) sugar solution (d) silver (e ) calcium carbonate (f) soap (g) tin (h) silicon (i) coal

Write short notes on the following : (a) Neural coordination (b) Forebrain (c) Midbrain (d) Hindbrain (e) Retina (f) Ear ossicles (g) Cochlea (h) Organ or Corti (i) Synapse