Water has fewer hydrogen atoms than lemon juice and a pH of around 7. Predict what will happen to the pH level of water when lemon juice is added.

A. The pH will become higher.
B. The pH will become lower.
C. The pH will remain the same.
D. There is not enough information to decide.


B. The pH will become lower.

Biology & Microbiology

You might also like to view...

This molecule or ion never uses active transport as its motive force for reabsorption into blood capillaries in the kidney.  

A.  glucose B.  Cl- ions C.  water D.  HCO3- ions E.  amino acids F.  Na+ ions

Biology & Microbiology

During labor, what type of feedback mechanism involves the release of oxytocin, which stimulates the uterus to contract, and these contractions stimulate the release of more oxytocin resulting in ever stronger contractions?

What will be an ideal response?

Biology & Microbiology

In trying to measure the "treatment effect" of taking Tylenol on reducing your "next day's temperature from today", and given the fact that you only take Tylenol when you're feeling sick, which of the following conditions are likely?

A. ETT = ATE B. Selection Bias > 0 C. Selection Bias < 0 D. ETT > ATE

Biology & Microbiology

As temperature decreases, the metabolic rate of an endotherm typically ____ and the metabolic rate of an ectotherm

typically ____.

a. decreases; decreases b. increases; decreases c. decreases; increases d. increases; increases e. increases; remains the same

Biology & Microbiology