Chemistry, 25.09.2019 17:20 dalilahrodriguez

Which law states that the volume and absolute temperature of a fixed quantity of gas are directly proportional under constant pressure conditions?
boyle’s law
charles’s law
dalton’s law
gay-lussac’s law

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The answer is Charles’s Law:

The volume of a gas held at constant pressure is is directly proportional to its absolute temperature.

It is the only law where the pressure is held constant. All the other ones have variable pressure.

Answer from: arturo698839

Charles law

Explanation:

Relationship between volume and absolute temperature is given by Charles's law.

According to Charles's law, at constant pressure, volume of a gas of a fixed quantity is directly proportional to the absolute temperature.

Mathematically Charles's law is expressed as:

$V \propto T$

Charles's law is applicable only for ideal gases.

Bolyles's law gives relationship between pressure and volume at fixed temperature.

Gay-Lussac’s law gives the relationship between pressure of a gas and its absolute temperature.

Dalton's law gives the relationship between pressure of the mixture of non reacting gases and partial pressure of individual gas.

Therefore, among, Charles's law is the correct opion.

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the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

Answer from: Quest

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. $hbr$ completely dissociates to $h^+$ and $br-$ ions. a is incorrect because $h_2s$ does not fully ionize to $h^+$ and $hs^-$ ions and some remain as the compound $h_2s$ . c and d are incorrect because, $li_2o$ and $libr$ do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise, if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both $li_2o$ and $libr$ have a complete octet so can not accept any electrons which disqualifies them as acids.

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Which law states that the volume and absolute temperature of a fixed quantity of gas are directly pr...

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