On the change in potential energy
Answer: The work done in J is 324
Explanation:
To calculate the amount of work done for an isothermal process is given by the equation:
W = amount of work done = ?
P = pressure = 732 torr = 0.96 atm (760torr =1atm)
= initial volume = 5.68 L
= final volume = 2.35 L
Putting values in above equation, we get:
To convert this into joules, we use the conversion factor:
So, 
The positive sign indicates the work is done on the system
Hence, the work done for the given process is 324 J
Answer:
The answer is...
D ( Plants use molecules of carbon dioxide to make sugar molecules.)
Explanation:
During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. This transforms the water into oxygen and the carbon dioxide into glucose. The plant then releases the oxygen back into the air, and stores energy within the glucose molecules. During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. These sugar molecules are the basis for more complex molecules made by the photosynthetic cell, such as glucose.
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<span>The mass of an atom comes from
the protons and neutrons that is found in the nucleus. The number of protons is
the atomic number of an element. To find the number of neutrons, subtract the
atomic number from the mass of an atom. For example, sodium’s atomic number is
11. This will tell us that sodium has 11 protons in it. The atomic mass of
sodium is 23. So subtract 23 form 11 gives us 12. Therefore, there are 12
neutrons in sodium.</span>
Answer: the colors come from the interference of light waves reflected from the opposite surfaces of the gasoline film. The correct option is 1.
Explanation:
These bright colours that are constructively produced under sunlight occurs due to interference of light waves reflected from the outer and inner surfaces of the thin layer of gasoline floating on water.
Thin film interference is a natural event that occurs due to reflection of interfered light waves from opposite surfaces of a thin film.
To know whether interference is constructive or destructive, you must determine if there is a phase change upon reflection. Thin film interference depends on.:
- film thickness,
-the wavelength of light, and
- the refractive indices.
For white light incident on a film that varies in thickness, you will observe rainbow colors of constructive interference for various wavelengths as the thickness varies.
