I do not see a chart but I would say for what ever has been there the longest and what had more ability to withstand their environment ;) hope I helped
Answer:
The given hydrocarbon is Ethylene Glycol
Molar mass of CaCl2 = 40+ ( 35.5 ×2)=110
Mr of Ca(OH)2 = 40+ (16+1)×2 =74
%of Ca = (40÷ 74)×10=...
1 m = 100cm...
1cm = (1÷100) m
So 45.5 cm = 45.5 ×(1÷100) =....
1km = 1000m
1m = 100 cm
1cm =10mm
So 1km = 1000×100×10 mm
Now convert
Answer:
Explanation:
Equilibrium reactions are reversible reactions.
The general expression for equlibrium reactions is:
Which means that A produces B and B produces A. Those are two reactions:
- Direct or forward reaction: A → B (the arrow points from left to the right)
- Reverse reaction: A ← B (the arrow points from right to left).
So, in the direct reaction A is the reactant and B is the product, and in the reverse reaction A is the product and B is the reactant.
When you start with only A, only A is reacting and since the rate of reaction is proportional to the concentration of the reactants the rate of the direct reaction is high. As the reaction proceeds B appears and the concentration of A decreases, so the rate of the direct reaction decreases and the rate of the reverse reaction increases. At some moment the rate of both direct and reverse reactions are equal and the dynamic chemical equilibrium is reached.
Rust on a nail is a chemical change.
Ice melting IS a physical change. Ice is made of water, when you melt ice its still water. Just in a different physical state.