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An ionic compound is composed of anions and cations. A cation is a positively charged ion, and an anion is the opposite. A metal is composed of two or more cations. Since you need at least one cation and one anion for an ionic compound, the metal is not ionic.
Answer:
Brainstorm with colleagues
Explanation:
So you can have different ideas.
Answer:
Valence electrons are negatively charged particles located in the outermost shell of atoms that can be transferred or shared with other atoms. Valence electrons are important in chemistry because the number of valence electrons in a particular atom can be used to determine how the atom will react chemically with other atoms.
2.89 moles of water would be produced by the complete combustion of 44.5 grams of ethanol in the presence of excess oxygen.
- According to this question, the following reaction between ethanol and oxygen is given:
- C₂H₆O(l) + O₂(g) → CO₂(g) + H₂O(l)
- However, this equation is not balanced. The balanced equation is as follows:
- C₂H₆O + 3O₂ → 2CO₂ + 3H₂O
- According to this equation, 1 mole of ethanol produces 3 moles of water.
- We convert 44.5g of ethanol to moles by dividing by its molar mass as follows:
- mole = 44.5g ÷ 46.07g/mol
- mole = 0.966mol of ethanol
- If 1 mole of ethanol produces 3 moles of water.
- 0.966mol of ethanol will produce (0.966 × 3) = 2.89mol
- Therefore, 2.89 moles of water would be produced by the complete combustion of 44.5 grams of ethanol in the presence of excess oxygen.
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