Which activity is most likely to produce heat from friction? A ) Opening a window

B ) Turning on a water faucet.

C ) Putting a pot of water on a hot plate.

D ) Rubbing an eraser back and forth over a piece of paper.

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

Increasing the substrate concentration in an enzymatic reaction could overcome which of the following? a) the need for a coenzymeb) allosteric inhibitionc) competitive inhibitiond) insufficient cofactors