Ethanol contains the elements carbon, hydrogen, and oxygen. When ethanol burns, it chemically reacts with oxygen gas.C2H6O + O2
ethanol oxygen gas
What elements will be present in the substances that are created when ethanol burns?
A.
nitrogen, sulfur, and sodium only
B.
carbon, hydrogen, and oxygen only
C.
the elements cannot be determined
D.
carbon and hydrogen only
correct answer is B I answered my own question! lol
Answers
Answer: The correct answer is Option B.
Explanation:
Every balanced chemical equation follows law of conservation of mass. This law states that mass can neither be created nor be destroyed but it ca only be transformed from one form to another form.
In a chemical reaction, total number of individual atoms on the reactant side must be equal to the total number of individual atoms on the product side.
During a chemical reaction, the atoms on the reactant side must also be present on the product side.
For the given reactants, the chemical equation will follows:
As, the reactant side contained carbon, hydrogen and oxygen atoms only. So, the product will also contain the same atoms.
Hence, the correct answer is Option B.
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The product of the reaction is MgO. Describe what you observed in the reaction. Then consider the general AB form of a synthesis reaction. Write the chemical reaction, balancing the equation so that there are an equal number of atoms of each type in both the reactants and the product.
Answers
Answer:
2Mg + O₂ ⇒ 2 MgO
Explanation:
When the MgO formation reaction is carried out experimentally, it can be seen that Magnesium a solid that has a metallic luster, when a flame is brought closer so that the oxidation reaction of the metal occurs, it is appreciated that a colored flame is produced white for a few moments (the duration of the flame depends on the initial amount of magnesium) and when the reaction finished, the magnesium became a white solid, opaque and very fragile. This is because Mg reacted with oxygen and magnesium oxide formed, which is the white solid.
Synthesis reactions are those in which two or more reagents combine to obtain a new product compound. The general formula for this type of reaction is:
A + B ⇒ C
In the case of the example of the statement, the reaction form of this synthesis would be:
2Mg + O₂ ⇒ 2 MgO
The equation is matched in such a way that there is the same amount of atoms of each species in both reagents and products, thus respecting the principle of conservation of mass.
Clarification: In the synthesis reaction, oxygen is placed in its molecular form (O₂), because the compound is naturally found, it is a simple substance. Magnesium, on the other hand, is found as a simple substance as atoms.
The reaction between Magnesium and Oxygen produces Magnesium Oxide. The balanced equation is 2Mg + O2 → 2MgO.
In the reaction, Magnesium (Mg) reacts with Oxygen (O) to produce Magnesium Oxide (MgO).
The balanced chemical equation for this synthesis reaction is:
2Mg + O2 → 2MgO
In this equation, there are an equal number of atoms of each type on both sides of the equation, which follows the principle of conservation of mass.
Learn more about Chemical reaction here:
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what is density when mass is 5.2 and volume is 0.117
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D = 5.2 / 0.117
D = 44.44
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Bronze is comprised of copper and tin.
Bronze consists of Copper & Tin
Brass consists of Copper & Zinc.
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Answer:
He sent a cathode ray between electrically changed metal plates.
Explanation:
A P E X
Answer:
He experimented with subatomic particles in cathode tubes to discover protons and electrons.
Explanation:
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Answer
its B
Explanation:
B.
Nuclear energy produces little air pollution.