In 1875, congress passed a civil rights act. why was it necessary to pass an almost identical act in 1964? a. the supreme court declared the 1875 act invalid. b. president grant vetoed the 1875 act. c. southern states prevented the enforcement of the 1875 act.

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2: