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A mixture in which the particles of a solute are dissolved in the particles of a solvent is called ___
a heterogenous mixture
The minor component of a solution, which is dissolved in another substance, is called ___
The major component of a solution, which does the dissolving, is called ___
What's the solvent in air?
The maximum amount of solute that will dissolve per volume of solvent is called ___
Which three factors can affect a substances solubility?
molecular structure, pressure, and temperature
toxicity, pressure, and temperature
molecular structure, toxicity, and temperature
molecular structure, pressure, and toxicity
The number of moles of solute per liter of solution is called ___
The number of moles of solute per kilogram of solvent is called ___
The mass percent is the mass of the solute divided by the mass of the solution all multiplied by ___
Gas molecules don’t interact that strongly, so gases pretty much always ___
stay isolated from each other
form heterogenous mixtures
form two or more phases
dissolve in each other
With respect to the structure of the molecules, the biggest factor that affects solubility is ___
the presence of oxygen
the number of bonds
the molar mass
For a substance to dissolve, it needs to interact favorably with the solvent, which only happens if ___
they have similar polarities
they have opposite electronegativites
they have the same charges
they are dissimilar elements
Which family of fish contains a poison called tetrodotoxin, which dissolves easily in water?
To get all those bubbles in soda-pop, what gas is dissolved in the water?
The portion of pressure caused by a particular gas is called its ___
Which English chemist developed an equation to calculate the concentration of a dissolved gas in a liquid?
According to Henry's Law, the concentration of a dissolved gas in a liquid is directly proportional to ___
the pressure of other gases above the solution
the total pressure on the system
the partial pressure of the gas above the solution
To calculate the volume of 0.06 moles of CO2, at normal atmospheric conditions, which equation was used?
Dalton's law of partial pressures
the ideal gas law
At normal atmospheric conditions, the carbon dioxide in a can of cola will expand to a volume of ___
just a few burps worth
For a solid solute in a liquid solvent, as temperature increases, the solubility ___
is not empirically observable
As temperature increases, the solubility of a gas in a liquid generally ___
It’s safer and cleaner to open a can of soda-pop when it’s ___
cold rather than when it’s hot
hot rather than when it’s cold
shaken rather than when it’s stirred
stirred rather than when it’s shaken
At 4 °C the solubility of oxygen in water is about double that of what it is at ___
Polar solvents tend to dissolve ___
Nonpolar solvents tend to dissolve ___