Answer:
27.98g/mol
Explanation:
Using ideal gas law equation;
PV = nRT
Where;
P = pressure (atm)
V = volume (L)
T = temperature (K)
n = number of moles (mol)
R = gas law constant (0.0821 Latm/molK)
According to the information given:
V = 2.5L
P = 1.4 atm
T = 282K
n = ?
Using PV = nRT
n = PV/RT
n = 1.4 × 2.5/0.0821 × 282
n = 3.5/23.1522
n = 0.151mol
Using the formula to calculate molar mass of the elemental gas:
mole = mass/molar mass
Molar mass = mass/mole
Molar mass = 4.23g ÷ 0.151mol
Molar mass = 27.98g/mol
Answer: 1. 
2. 
3. .
4.
has highest nitrogen content.
Explanation:
To calculate the mass percent of element in a given compound, we use the formula:
1.

2.

3.

4.

Thus
has highest nitrogen content of 82.4%.
Answer:
Melting point, boiling point, state of matter at room temperature, heat of vaporization, flammability and reactivity
Explanation:
The Structure of polypropylene(C3H6)n is linear.
- The chemical formula for polypropylene is (C3H6)n.
- It is a polymer with complex structure and also known as polypropene.
- Polypropylene is similar to polyethylene which belongs to polyolefin groups.
- Generally the polymers are synthesized from the polymerization process.
- What is polymerization?
The process in which atom or small molecules joined together repeatedly to form a polymer with complex structure is called as polymerization.
The repeated unit of atom or small molecule is called monomer
<h3>
Structure of polypropylene</h3>
Polypropylene is synthesized from the polymerization of propylene which is the monomer unit.
It has a linear structure made of propylene hydrocarbon units.
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