Answer:
<em>250 ml</em>
Explanation: I got it right on the lab.
Correct Answer: option 4: Si-O
Reason:
The bond polarity depends on the electronegativity difference between constituent atoms. Greater the electronegativity difference, polar is the bond. In present case, electronegativity of Si and O is 1.9 and 3.44 respectively. Hence, electronegativity difference is 1.54, which is greater as compared to other bonds on present interest. Hence, Si-O bond is considered to be more polar.
Answer:
We assume you are converting between moles NaOH and gram. You can view more details on each measurement unit: molecular weight of NaOH or grams This compound is also known as Sodium Hydroxide. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles NaOH, or 39.99711 grams.
Explanation:
Balance Fe
Fe3O4 + H2→ 3Fe + H2O
Balance O
Fe3O4 + H2→ 3Fe + 4H2O
Balance H
Fe3O4 + 4H2→ 3Fe+4H2O
Coeff of H2O=4
Correct answer to this question is c. water evaporating