The name of the covalent compound CCl4 is 'Carbon tetrachloride'.
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Answer:
The only nonmetal in group 14 is carbon.
Explanation:
Answer: 104 g
Explanation: reaction Cr2O3 + 3 H2 ⇒ 2 Cr + 3 H2O
M(Cr2O3) = 150 g/mol, so n = m/M = 1.0 mol
Number of moles of H2 should be 3.0 moles and
It is much greater (150 g / 2.016 g/mol)
1 mol Cr2O3 produces 2 mol Cr.
Mass m= 2.0 mol· 52g/mol= 104 g
Answer:
10.8 L
Explanation:
Step 1: Given data
- Initial volume of helium (V₁): 595 L
- Initial pressure of helium (P₁): 1.00 atm
- Final volume of helium (V₂): ?
- Final pressure of helium (P₂): 55.0 atm
Step 2: Calculate the final volume of helium
If we assume ideal behavior and constant temperature, we can calculate the final volume of helium using Boyle's law.
P₁ × V₁ = P₂ × V₂
V₂ = P₁ × V₁ / P₂
V₂ = 1.00 atm × 595 L / 55.0 atm = 10.8 L
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