Consider the titration of a 25.0-ml sample of 0.175m ch3nh2 with 0.150 m hbr. determine each quantity. a. the initial ph b. the volume of added acid required to reach the equivalence point c. the ph at 5.0 ml of added acid d. the ph at one-half of the equivalence point

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?