Answer:
helium family or neon family
Explanation:
you can use p
A flight simulator that helps astronauts prepare for a shuttle launch is an example of a Scientific Model.
3 is C i believe, and as for 4 minerals are solid, natural.. that's about all I can say...
Answer:
Option D = 0.2 Kj
Explanation:
Given data:
Mass of diethyl ether = 1.0 g
Hvap = 15.7 Kj / mol
Heat absorbed = ?
Solution:
Q = mass × Hvap / molar mass
Q = 1.0 g × 15.7 Kj / mol / 74.12 g/mol
Q = 15.7 Kj / 74.12
Q = 0.212 KJ
