Consider a protein with the acidic side chains, Amino Acid side-chain ArgininepKa = 12.48Aspartic Acid PKa = 3.90Cysteine pKa = 8.33Glutamic acid pKa = 4.07Histidine pKa = 6.04Lysine pKa =10.79Tyrosine pKa =10.13Given that the pH of blood is about 7.3, how many of the above side chains would be mostly in their ionic form (A-) in blood?a. 2b. 3c. 4d. 5

Determine the empirical formula for succinic acid that is composed of 40.60% carbon, 5.18% hydrogen, and 54.22% oxygen.

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes no correct anwser get brainliest