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nikitadnepr [17]
3 years ago
15

Which of the following statements about ions is NOT CORRECT?

Chemistry
1 answer:
madam [21]3 years ago
7 0

Answer:

B. Anions are formed when an atom loses electrons.

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Which of the following is an extensive property of a sample of aluminum?
levacccp [35]

Answer:

Entropy,mass and volume.... I think

5 0
3 years ago
How many liters of water vapor, at stp, are produced by the combustion of 12.0 g of methane?
erastovalidia [21]
Answer is: 33,6 liters of water vapor.
Chemical reaction: CH₄ + 2O₂ → CO₂ + 2H₂O.
m(CH₄) = 12 g.
n(CH₄) = m(CH₄) ÷ M(CH₄)
n(CH₄) = 12 g ÷ 16 g/mol = 0,75 mol
from reaction: n(CH₄) : n(H₂O) = 1 : 2
n(H₂O) = 1,5 mol.
V(H₂O) = n(H₂O) · Vm
V(H₂O) = 1,5 mol · 22,4 mol/dm³
V(H₂O) = 33,6 dm³.
8 0
3 years ago
Read 2 more answers
What's the structure of Cl2O? Is it polar or non-polar?
lisabon 2012 [21]
Answer: C) Bent or angular, polar
Explanation:
The central atom oxygen has two lone pairs and two bond pairs in . The number of electron pairs are 4, that means the hybridization will be and the electronic geometry of the molecule will be tetrahedral. But as there are two lone pair of atoms around the central oxygen atom, repulsion between lone and bond pair of electrons is more and hence the molecular geometry will be bent shape.
The compound is polar as the net dipole moment of oxygen - fluoride bonds do not cancel each other out.

3 0
3 years ago
What happens when you heat an air filled sealed can ?
Mandarinka [93]
The pressure increases and would explode
8 0
3 years ago
Ammonia is a gas for which reliable analytical methods are available to determine its concentration in other gases. To measure f
IgorLugansk [536]

amount of ammonia injected:

72.3 kg/min x 12 min = 867.6 kg

ammonia concentration = 0.382%

\tt 0.382\%=\dfrac{mass~amonia}{mass~ammonia+mass~natural~gas}\times 100\%\\\\0.00382=\dfrac{867.6}{867.6+mass~natural~gas}\\\\mass~natural~gas=226,252.88~kg/12min=1131264.4~kg/h

3 0
2 years ago
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