Formic acid, HCOOH, is a weak acid (pKa=3.75) . It is found in the venom of ant and bee stings and is also used in industry. For clarity, water molecules are omitted. Select the best molecular‑level representation of an aqueous solution of formic acid with a pH of 3.75. A. Green. B. Yellow. C. Blue.

An engineering team designs a new rocket that is faster and lighter than any other model being produced. however, the materials end up being so expensive that no company can afford to buy them. which step of the engineering process should have addressed this problem? a. know the background. b. evaluate the results. c. identify a need. d. do the work.

If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.