The volume at STP : 9.856 L
<h3>Further explanation</h3>
Given
Mass of ethane : 13.21 g
Required
The volume at STP
Solution
Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). At STP, Vm is 22.4 liters / mol.
mol ethane(C2H6) :
= mass : molar mass
= 13.21 g : 30 g/mol
= 0.44
Volume at STP :
= 0.44 x 22.4 L
= 9.856 L
The answer is b. as a whole, the species is mutually beneficial to carry on each others traits and exist in the same ecosystem.
The correct response I believe is D. The reaction rate increases because the probability of collisions increases as there are more Zn atoms to react.
The diameters of the spheres are 72.5 meters square
