Answer:
NH3 , SO3 , BF3
Explanation:
trigonal planar = AB3 ------------> Coordination number = 3
for example = NH3 , SO3 , BF3
all of them are trigonal planar
Hydrogen and oxygen cn form a polar covalent bond
Answer:
67.5 atm
Explanation:
To answer this problem we can use <em>Boyle's law</em>, which states that at constant temperature the pressure and volume of a gas can be described as:
P₁V₁=P₂V₂
In this case:
P₁ = 101.3 atm
V₁ = 0.500 L
P₂ = ?
V₂ = 0.750 L
We input the data:
101.3 atm * 0.500 L = P₂ * 0.750 L
And solve for P₂:
P₂ = 67.5 atm
Some examples of exothermic processes include formation of ice cubes, condensation of rain from vapor, rusting iron, burning sugar and mixing water with acids. Examples of endothermic processes include melting solid salts, cooking an egg, baking bread, water evaporation and melting ice cubes.