Titration is the method used.
Answer:
In the 1H NMR spectrum of ethanol three different signals are observed, this is due to the existence of 3 types of hydrogens with different chemical environment. Hydrogens A (3.57 ppm) are more screened than C (1.10 ppm) due to the presence of oxygen (electonegative atom that removes electron density). The chemical environment of hydrogen B (4.78 ppm), attached directly to oxygen, is also different by resonating at a frequency different from the previous ones.
The hydroxylic hydrogen produces a singlet, the pair of carbon hydrogens one give rise to a quadruplet and the three hydrogens of carbon two produce a triplet.
Explanation:
Zero degree celcius = 273.15 degree kelvin
Simply, to get the value of 45.1 degree celcius in kelvin, we will add 273.15 to the given value (45.1).
Degree in kelvin = 45.1 + 273.15 = 318.25 degree kelvin
Approximating to the nearest tenth, the value will be 318.3 degree kelvin
Answer:
Only species Y is anaerobic.
Explanation:
- Cellular respiration refers to the process in which food substances such as glucose are broken down to yield energy in the form of ATP, water and carbon dioxide as by-products.
- Respiration may be either anaerobic or aerobic respiration.
- Aerobic respiration is a type of respiration that takes place in the presence of oxygen. Nutrients are broken down to yield energy, water, and carbon dioxide.
- Anaerobic respiration occurs in the absence of oxygen to yield few molecules of ATP, alcohol and carbon dioxide.
- Therefore; species X carries out aerobic respiration while species Y carries out anaerobic respiration.
