How is the periodic table constructed ?

Answer: The correct answer is Option B.

Explanation:

Photosynthesis is defined as a process in which a plat uses carbon dioxide reacts with water in the presence of sunlight to produce glucose as a product, oxygen and water as a byproduct.

The chemical equation for this reaction follows:

By Stoichiometry of the reaction:

6 moles of carbon dioxide reacts with 12 moles of water in the presence of light to produce 1 mole of glucose, 6 moles of oxygen and 6 moles of water.

Hence, the correct answer is Option B.

Answer:

E. 1.18x10^4nm/ms^2

Explanation:

The aceleration of the train is given in m/s². We need to conver, first, the meters to nm and then, the seconds to ms as follows:

11.8m/s² * (1x10⁹nm / 1m) = 1.18x10¹⁰nm / s²

Now, as 1s is equal to 1000ms:

1.18x10¹⁰nm / s² * ((1s)² / (1000ms)²)) =

1.18x10⁴nm / ms²

Thus, right option is:

E. 1.18x10^4nm/ms^2

Final answer:

A train's acceleration of 11.8 m/s^2 converts to 11.8*10^7 nm/ms^2 while converting from meters to nanometers and from seconds squared to milliseconds squared.

Explanation:

To convert a value from meters (m) to nanometers (nm), we must multiply by the conversion factor of 1×10^9nm/1m. A nanometer is one billionth (10^-9) of a meter. In this case, the train is accelerating at 11.8 m/s2. Therefore, the acceleration in terms of nanometers per second squared (nm/s2) is 11.8 * 109 nm/s2. To convert this value to nanometer per millisecond squared (nm/ms2), we know there are 1000 milliseconds (ms) in a second (s). Hence, we divided by 1000 squared, resulting in 11.8 * 109 nm/s2 divided by 10002 to get the answer in (nm/ms2). This gives us 11.8*107 nm/ms2, so the correct answer is C.

Learn more about Unit Conversion here:

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Answer:

C. U-235

Explanation:

A fission reaction is one in which an unstable radioisotope breaks down into smaller nuclei when bombarded with energetic particles.

The highly unstable isotope that is often used in fission reactions is U-235. When bombarded with neutrons that atom breaks down to form krypton and barium along with the release of a large amount of energy. The reaction is given as:

₉₂U²³⁵ +  ₀n¹  →   ₃₆Kr⁸⁹  +  ₅₆Ba¹⁴⁴  + 3₀n¹ + 210 Mev energy