#Question id: 393
#Part-B Specialized Branches in Biotechnology
Carbon dioxide (CO2) is readily soluble in water, according to the equation CO2 + H2O ↔ H2CO3. Carbonic acid (H2CO3) is a weak acid. If CO2 is bubbled into a beaker containing pure, freshly distilled water, which of the following graphs correctly describes the results?
#Question id: 394
#Part-B Specialized Branches in Biotechnology
What will be the H+ ion concentration in a solution prepared by mixing 50.0 mL of 0.20 M NaCl, 25 mL of 0.10M NaOH and 25.0 mL of 0.30M HCl?
#Question id: 395
#Part-B Specialized Branches in Biotechnology
How would acidification of seawater affect marine organisms? Acidification of seawater would ________.
#Question id: 395
#Part-B Specialized Branches in Biotechnology
How would acidification of seawater affect marine organisms? Acidification of seawater would ________.
#Question id: 396
#Part-B Specialized Branches in Biotechnology
Identical heat lamps are arranged to shine on two identical containers, one containing water and one methanol (wood alcohol), so that each liquid absorbs the same amount of energy minute by minute. The covalent bonds of methanol molecules are nonpolar, so there are no hydrogen bonds among methanol molecules. Which of the following graphs correctly describes what will happen to the temperature of the water and the methanol?
#Question id: 397
#Part-B Specialized Branches in Biotechnology
The loss of water from a plant by transpiration cools the leaf. Movement of water in transpiration requires both adhesion to the conducting walls and wood fibers of the plant and cohesion of the molecules to each other. A scientist wanted to increase the rate of transpiration of a crop species to extend its range into warmer climates. The scientist substituted a nonpolar solution with an atomic mass similar to that of water for hydrating the plants. What do you expect the scientist's data will indicate from this experiment?