Answer:
The answer to your question is: A.
Explanation:
A. C + 2H₂ ⇒ CH₄ This is the right answer because the equation is balanced and is according to the law of conservation of matter.
B. 2H₂ + O₂ ⇒ NH₃ This option is wrong because in the reactants there is oxygen and it is not in the products.
C. 2Al₂O₃ ⇒ 2Na₂O This equation is not according to the law of conservation of matter, in the reactants there is aluminum and it is not in the products.
D. N₂ + 3H₂ ⇒ P₄O₁₀ This equation is not according to the law of conservation of matter.
Cl₂
Explanation:
The gas with the highest molecular mass will be considered the heaviest of all of them.
To solve this problem, we must calculate the molecular mass of the given gases;
O₂ CH₄ CO₂ and Cl₂
O₂ molecular mass = 15.9998 x 2 = 32g/mol
CH₄ = 12 + 4(1) = 16g/mol
CO₂ = 12 + 2(16) = 44g/mol
Cl₂ = 2(35.5) = 71g/mol
The heaviest of the gases given is Cl₂ because it has the highest molar mass compared to other gases.
learn more:
Gases brainly.com/question/10897667
Molar mass brainly.com/question/2861244
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<span>In a solution of water and ethanol, hydrogen bonding is the strongest intermolecular force between molecules. Hydrogen bonding occurs when the partially negative oxygen end of one of the molecules is attracted to the partially positive hydrogenend of another molecule.</span>
Answer:
the protons
Explanation:
the number of protons is constant for each sample of the element. If the number of protons differs, then it is a different element.
Answer:
Valence electrons are important because they
The electrons that occupy the outer most shell of an atom are called valence electrons. They are important because they determine how an atom will react. By writing an electron configuration, You'll be able to see how many electrons occupy the highest energy level.
Explanation: