Question

The wavelength of blue light is about 470 nm and for red light is about 700...

The wavelength of blue light is about 470 nm and for red light is about 700 nm. About 7 kcal/mol is released when ATP is hydrolyzed into ADP and inorganic phosphate (under standard state conditions). Compare the energy of the photons absorbed by plants to the energy of ATP hydrolysis.

Homework Answers

Answer #1

We know that there is an energy () equivalent associated to wavelength () which is expressed as

  

here, h = Planck's constant and c = speed of light. So, when a light of particular wavelength is incident the corresponding energy will be absorbed. The above relation also suggests that higher the wavelength lower will be the energy.

For blue light, the wavenght = 470 nm = 60.83 Kcal/mol

and for red light, the wavelength = 700 nm = 40.84 Kcal/mol

Given that the energy of ATP hydrolysis = 7 Kcal/mol

which is far less than that of the energy absorbed by blue/red light.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Violet light has a wavelength of about 410 nm. a. What is its frequency? b. Calculate...
Violet light has a wavelength of about 410 nm. a. What is its frequency? b. Calculate the energy of one photon of violet light c. What is the energy of 1.0 mol of violet photons (hint: 1 mol=6.02*10^23) d. Compare the energy of photons of violet light with those of red light (700nm). Which has the greater energy?
ATP is the most common form of energy storage in biological organisms, and ATP + H2O...
ATP is the most common form of energy storage in biological organisms, and ATP + H2O ® ADP + Pi has DG = -7.3 kcal/mole under standard conditions and as much as DG = –12 kcal/mole in cells. A photon is the smallest packet of light that can interact with matter. The energy Ep of one photon of light depends upon its wavelength according to the formula Ep = hc/w where h = Planck's constant = 1.58x10-34 cal sec, c...
A narrow beam of light containing red (660 nm) and blue (470 nm) wavelengths travels from...
A narrow beam of light containing red (660 nm) and blue (470 nm) wavelengths travels from air through a 1.60 cm thick flat piece of crown glass and back to air again. The beam strikes the glass at a 25.0° incident angle. (a) At what angles do the two colors emerge from the glass? red ° blue ° (b) By what distance (in cm) are the red and blue separated when they emerge? cm
For the hydrolysis of ATP to ADP + ℗i, the free-energy change is -7.3 kcal/mol under...
For the hydrolysis of ATP to ADP + ℗i, the free-energy change is -7.3 kcal/mol under standard conditions (1 M concentration of both reactants and products). In the cellular environment, however, the free-energy change is about -13 kcal/mol. What can we conclude about the free-energy change for the formation of ATP from ADP and ℗i under cellular conditions?
Most people perceive light having a wavelength between 630 nm and 700 nm as red and...
Most people perceive light having a wavelength between 630 nm and 700 nm as red and light with a wavelength between 400 nm and 440 nm as violet. Part A: Calculate the approximate frequency range for violet light. Answer in the order indicated. Express your answer in hertz separated by comma. fmin,fmax= ? Part B: Calculate the approximate frequency range for red light. fmin,fmax=?
24.23: When blue light of wavelength 470 nm falls on a single slit, the first dark...
24.23: When blue light of wavelength 470 nm falls on a single slit, the first dark bands on either side of center are separated by 55.0 ∘. A) Determine the width of the slit.
If it costs 9.9 kcal/mol to “run” the sarcoplasmic reticulum (SR) Ca ATPase (i.e., pumping one...
If it costs 9.9 kcal/mol to “run” the sarcoplasmic reticulum (SR) Ca ATPase (i.e., pumping one mol of Ca2+ ions from the cytoplasm to the sarcoplasmic reticulum of the muscle cell per 1 ATP hydrolyzed), then what is the minimum concentration of ATP required to provide just enough energy to run the SR Ca ATPase? In other words, what does the concentration of ATP need to be so that the free energy of ATP hydrolysis is -9.9 kcal/mol. Assume that...
You shine blue light (400 nm) and red light (700 nm) onto a Young’s double slit...
You shine blue light (400 nm) and red light (700 nm) onto a Young’s double slit apparatus with a slit separation distance of 6.00 μm. In order, what are the colors of the first five bright fringes from the central bright spot?
The hydrogen emission spectrum produces light at 430 nm (blue), 480 nm (blue-green) and 650 nm...
The hydrogen emission spectrum produces light at 430 nm (blue), 480 nm (blue-green) and 650 nm (red). Find the energy in Joules and then in eV for a photon at each of these wavelengths: 430 nm: 480 nm: 650 nm: A metal surface has a work function (W0) of 2.7 eV.  Of the three wavelengths of light in the hydrogen spectrum, which would be able to release electrons from the metal surface? Calculate the kinetic energy in eV if any, of...
Blue light of wavelength 470 nm is used to illuminate a pair of narrow slits that...
Blue light of wavelength 470 nm is used to illuminate a pair of narrow slits that are 0.020 mm apart and 1.60 m from a screen. What is the angular position of the second-order minimum (dark spot)? What is the distance on the screen between the central maximum and the second-order minimum? The reason there is a dark spot at this location on the screen is because light from one slit has to travel further than light from the other...