According to Boyle's Law, P1V1 = P2V2
where P1 and V1 are initial pressure and volume respectively. P2 and V2 are final pressure and volume receptively.
Given: P2 = 4 P1 and V1 = 10.0l
∴ V2 = 2.5 l
Answer: Final volume of system is 2.5 l
A system of government by the whole population or all the eligible members of a state, typically through elected representatives.
"a system of parliamentary democracy"
a state governed under a system of democracy.
plural noun: democracies
"a multiparty democracy"
control of an organization or group by the majority of its members.
"the intended extension of industrial democracy"
Iron is a type of element because iron is metal and metal is also a mineral
Hoped this helped
Answer: crystalline solid
Explanation: Most ionic compounds exist in crystalline solid form especially at room temperature.