Answer:
Option B
Explanation:
The given alkyl chloride having molecular formula ClCH2CHCl2, have IUPAC name <em>1,1,2 - trichloride ethane</em> which can be represented in structural formula as shown in Option B, where the right carbon atom receives lower integer in numbering i.e. 1 and on the first carbon atom because it have two Chlorine atoms, and second carbon atom is numbered 2, having one Chlorine substituent on it.
Another reason for option A is incorrect answer, because the number of atoms in molecular formula & number of atoms in structural formula ain't same, in molecular formula there is a -CH2- & a -CH- substituent present, but in option A both the carbon atoms are -CH2- bonded to each other with chloride linkage.
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Answer:
In this SI units system, there are seven SI base units and three supplementary units. The base SI units are metre, kilogram, second, kelvin, ampere, candela and the mole and the three supplementary SI units are radian, steradian and becquerel. All other SI units can be derived from these base units.
Explanation:
Answer: how do we answer when there are no options??
Explanation:
B. Density
Density = mass/volume because it’s basically the concentration of mass. How much matter takes up the space. If you pack more matter into less space, it is more dense.
13 liters is the correct answer
13 liters is the final volume of the gas when the temperature and pressure remain constant.
v1/n1 = v2/n2
where,
v1 = initial volume = 8.5 liter
n1= initial mole of gas = 1.2 mole
n2= final mole of gas = 1.2+0.65= 1.85 mole
v2= final volume = ?
8.5 L/1.2 mol = v2/1.85 mol
7 L x 1.85 mol = v2/1.85 mol x 1.85 mol
13 L = v2
v2= 13 liter
<h3>What is a mole?</h3>
- A mole is an SI unit used to measure significant numbers of subatomic particles, such as atoms, molecules, or smaller particles.
- Any substance has an Avogadro number of molecules in a mole.
- The value of the Avogadro number is 6.02214076 × .
<h3>How much is a mole of gas?</h3>
22.4 L
At STP (Standard Temperature and Pressure = 0 °C, 1 atm), an ideal gas has a volume of 22.41 L/mol.
<h3>What makes something a mole?</h3>
- Chemists use the term "mole" because atoms, molecules, and other particles are all very small and require a large amount to even weigh them.
- A mole is a measurement of the number of particles present, not their mass.
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