The atomic mass of Europium is 152 amu
Work:
151(0.4803) = 72.52 amu
153(0.5197) = 79.5 amu
72.5 + 79.5 = 152 amu
Explanation:
It is given that vapor pressure of pure water at 296 K is 2778.5 Pa.These vapors will result in the formation of an ideal gas.
Now, as water is covered with oil and contains only 1% molecules of water. Hence, the vapor pressure of this mixture will also be equal to the vapor pressure of pure water.
So, vapor pressure of mixture = 1% vapor pressure of pure water
Therefore, 
= 
= 27.785 Pa
Thus, we can conclude that the equilibrium vapor pressure of water above the oil layer is 27.785 Pa.
Answer:
all these are physical properties except release of heat so it's probably heat energy given off
<span>None. Since it is dominant, both would have to show it to pass in on.</span>
Answer:
H2SO4(aq) + Mg(OH)2(aq) -> MgSO4(aq) + 2H2O(l)
Explanation:
A neutralization reaction is a chemical reaction in which the acid, (aqeous H2SO4) reacts completely with an appropriate amount of base, (aqueous Mg(OH)2) to produce salt, (aqueous MgSO4) and water, (liquid 2H2O) only.
H2SO4(aq) + Mg(OH)2(aq) -> MgSO4(aq) + 2H2O(l)
Acid + base → Salt + Water.
During this reaction, the hydrogen ion, H+, from the H2SO4 is neutralized by the hydroxide ion, OH-, from the Mg(OH)2 to form the water molecule, H2O.
Thus, the formation of salt, MgSO4(aq) and water, 2H2O(l) makes it a neutralization reaction.
