Staggered conformers are lower in energy than eclipsed conformers , Option A is the right answer.
<h3>What are Eclipsed and Staggered Confirmation ?</h3>
The arrangement of atoms in molecule such that the dihedral angle formed is 60 degree is called Staggered Conformation and the arrangement of atoms in which the dihedral angle is 0 degree is called Eclipsed Confirmation
Among the given statements
The statement that best describe the stability of Staggered Conformers and eclipsed conformers is Staggered conformers are lower in energy than eclipsed conformers .
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Answer:
When swallowed, the signs and symptoms may include:
Severe burning and associated pain in the mouth, throat, and food-pipe
Drooling from the mouth
Loss of vision; unable to speak
Inflammation of the throat may cause respiratory difficulties
Sudden reduction in blood pressure (hypotension)
Vomiting blood
On skin contact, the signs and symptoms may include:
Severe skin and tissue burns associated with pain
Severe eye burns associated with pain; loss of vision
When inhaled, the signs and symptoms may include:
Coughing (including coughing-up blood), choking
Heaviness in the chest; chest pain
Bluish discoloration of lips and beneath fingernails
Respiratory difficulties
Reduced blood pressure (hypotension)
Headache and weakness
Increased heart-rate
Collapse
Explanation:
In 1 mole of 
, there are 3 moles of ions, 1 mole of Ca^{2+} and 2 mole of 
.
Molar mass of is 110.98 g/mol. Calculating number of moles from given mass as follows:
Thus, number of moles of ions will be 
.
Since, 1 mole of any substance has 
units of that substance where is Avogadro's number.
Thus, 9.38 mol of ions will have 
number of ions.
Therefore, total number of ions in 347 g of is 
.
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<h3>
Answer:</h3>
895.11 g Titanium
<h3>
Explanation:</h3>
Moles of Titanium = 18.7 moles
To get the mass of Titanium;
We use the formula;
Mass = moles × Molar mass
Molar mass = 47.867 g/mol
Therefore;
Mass of Titanium = 18.7 Moles × 47.867 g/mol
= 895.1129 g
= 895.11 g
