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The concept of water-powered cars is generally considered a hoax by the scientific community. While water can be used as a source of hydrogen for fuel cells, the process is not efficient enough to power a car solely on water. Claims of water-powered cars are often misleading or fraudulent.
Chemical work in cells is powered by the energy produced from chemical reactions, specifically the breakdown of molecules such as glucose through processes like cellular respiration. This energy is captured in the form of ATP (adenosine triphosphate) and utilized to drive cellular processes such as protein synthesis, active transport, and muscle contraction.
Uranium is a highly reactive mineral that is used as a source of atomic energy for bombs and nuclear powered generating plants
The balanced chemical equation for powdered quartz (SiO2) reacting with powdered magnesium (Mg) when heated is: 2Mg + SiO2 -> 2MgO + Si. This reaction produces magnesium oxide (MgO) and silicon (Si).
plutonium-238 (note the different isotope)
In photosynthesis, particularly in Photosystem II, the primary reactant powered by sunlight is water (H₂O). When sunlight strikes Photosystem II, it energizes electrons, leading to the splitting of water molecules into oxygen, protons, and electrons. This process ultimately contributes to the formation of ATP and NADPH, which are essential for the subsequent stages of photosynthesis.
The reactant in the process powered by sunlight hitting photosystem 2 is water. In this process, water is split into oxygen, protons, and electrons when sunlight is absorbed by chlorophyll molecules.
In photosynthesis, particularly in Photosystem II, the primary reactant powered by sunlight is water (H₂O). When sunlight is absorbed by chlorophyll, it excites electrons, leading to the splitting of water molecules in a process known as photolysis. This reaction produces oxygen (O₂), protons (H⁺), and electrons, which are essential for the subsequent stages of photosynthesis. Thus, water serves as a crucial reactant that initiates the conversion of solar energy into chemical energy.
Water is the reactant for the reaction powered by the sun hitting photosystem II. This reaction leads to the splitting of water molecules to release oxygen, protons, and electrons in the process of photosynthesis.
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ATP
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In the process powered by sunlight hitting Photosystem II, water (H₂O) is a key reactant. When light energy is absorbed by Photosystem II, it leads to the splitting of water molecules through a process known as photolysis. This reaction generates oxygen (O₂) as a byproduct and provides electrons that are essential for the photosynthetic electron transport chain.
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It doesnt exactly trigger it, but sunlight is needed to complete the process Photosynthesis is powered up by light.It is very essential for photosynthesis