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science ((Symbol Meaning, (s) Solid, (l) Liquid, (g) Gas, (aq)…
science
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structure of an atom
the nucleus contains positively charged particles called protons and neutral particles called neutrons. A certain amount of protons and neutrons exist in the nucleus that are extremely densely compacted together.
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reactants and products
In the burning of natural gas, for example, methane (CH4) and oxygen (O2) are the reactants in the chemical reaction. are the substances formed by a chemical reaction. In the burning of natural gas, carbon dioxide (CO2) and water (H2O) are the products formed by the reaction.
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why it increases
The law of conservation of mass states that in a closed system, the mass of the system cannot change over time. Look at our example of the candle in the closed room. ... If you massed the reactants oxygen and wax, it would equal the mass of the products water and carbon dioxide.
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In a chemical reaction mass is neither created or destroyed; it is conserved. Which of the reactions in the simulation have a mass decrease, and why? Sodium and water, because hydrogen gas is released into the atmosphere. Magnesium and hydrochloric acid, because hydrogen gas is released into the atmosphere.
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Write down your given equation. ... Write down the number of atoms per element. ... Save hydrogen and oxygen for last, as they are often on both sides. ... Start with single elements. ... Use a coefficient to balance the single carbon atom. ... Balance the hydrogen atoms next. ... Balance the oxygen atoms