This reaction describes cellular respiration. C6H12O6 + 6O2 → 6CO2 + 6H2O Which compounds are the reactants and which are the products? A. reactants: C6H12O6 + 6O2 products: 6CO2 + 6H2O B. reactants: 6CO2 + 6H2O products: C6H12O6 + 6O2 C. reactants: 6CO2 + C6H12O6 products: 6H2O + 6O2 D. reactants: 6H2O + 6O26CO2 + C6H12O6 products: 6CO2 + C6H12O6
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Answer: The correct answer is Option A.
Explanation:
In a chemical equation, the chemical species are termed as reactants or products.
Reactants are defined as the species which react in the reaction and are written on the left side of the reaction arrow.
Products are defined as the species which are produced in the reaction and are written on the right side of the reaction arrow.
For the given chemical equation:
The chemical species written on the left side of the arrow are . They are considered as reactants.
The chemical species written on the right side of the arrow are . They are considered as products
Hence, the correct answer is Option A.
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Physically you can break matter into 'Particles' . Chemically you can get down to 'Molecules' . using Nuclear Radiation you can get down to the 'Atomic' structure but as Philhoon said Hydrogn would be the simplest 'element you can divide matter into. your welcome
Final answer:
Matter when broken down into its simplest parts forms elements. These are pure substances that everything in the universe is composed of. The smallest unit of an element is an atom, and when two or more atoms combine, a molecule is formed.
Explanation:
When matter is broken down into its simplest parts, it forms elements. Elements are the pure substances that everything in the universe is composed of and they cannot be broken down further using ordinary chemical reactions. Examples of elements include hydrogen, oxygen, carbon, nitrogen, calcium, and iron.
The smallest unit of an element is an atom, which is made up of subatomic particles like protons, electrons, and neutrons. When two or more atoms combine, a molecule is formed. Molecules are the smallest particles of matter while still retaining their chemical properties.
Elements in nature are unique with specific chemical and physical properties. Currently, 118 elements are known, but only 98 occur naturally. The remaining are synthesized in laboratories due to their instability.
Learn more about Elements here:
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why is water vapor important in weather
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Ice turning into water is a physical change. The ice is undergoing the process of melting which does not change it chemically (ice and water are chemically identical in the sense that they are both composed of H₂O molecules) and the only difference between water and ice is that water molecules have a higher average amount of energy than the ice molecules do. When a substance melts, the molecules within the substance gain energy (in the form of heat) which allows them to break the intermolecular forces keeping them together. Since the melting of ice requires energy, the process is endothermic which means that the ice had to get energy from its surroundings and that water has more energy than ice does as a result of the process (ΔH is positive).
I hope that helps. Let me know in the comments if anything is unclear or if I did not answer your question.
Answer:
The freezing point is the temperature at which a liquid turns to a solid. ... This temperature is referred to as the melting point when temperatures rise above 32°F (0°C), causing ice to melt and change state from a solid to a liquid (water), as happened with the cup of crushed ice at room temperature.
Explanation:
The freezing point is the temperature at which a liquid turns to a solid. ... This temperature is referred to as the melting point when temperatures rise above 32°F (0°C), causing ice to melt and change state from a solid to a liquid (water), as happened with the cup of crushed ice at room temperature.
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The tying results in the more visible veins of upper arms due to blood flow restriction.
Veins are the part of circulatory system in the body, that functions to carry deoxygenated blood from different parts of the body to the heart.
The venipuncture has been the process of insertion of drugs or chemicals in a body through vein. The veins of the upper arm has been tied to make them more visible.
The upper arm veins are more visible as there has been blood flow restriction in the veins by tying that results in the bulging out of the vein.
For more information about veins, refer to the link: