If heat is added to a boiling liquid, what happens to the temperature of the liquid?

Chemistry

1 answer:

stealth61 [152]3 years ago

4 0

Answer: C

Explanation:

Answer is "It does not change"

Hope this helps!

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Which atoms exist as diatomic molecules?

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If the diatomic molecule consists of atoms from two different elements, then it is aheteronuclear diatomic molecule. There are seven elements that naturally occur as homonucleardiatomic molecules in their gaseous states: hydrogen,nitrogen, oxygen, fluorine,chlorine, bromine, and iodine

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What is the relationship between Ka and Kb with Kw?

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Which of the following statements about the kinetic molecular theory are not correct?

Rashid [163]

Answer:

The false statement is: (C) The average kinetic energy of the molecules is not related to the absolute temperature

Explanation:

According to the Kinetic Theory of Gases, gases are composed of small fast moving particles that are in constant random motion. These gaseous particles are known as molecules.

It is assumed that the mass of all the gaseous molecules is the same and the intermolecular interactions (attractive or repulsive) are negligible.

Also, the total volume of all the gaseous molecules is considered to be negligible as compared to the volume of the container.

According to this theory, average kinetic energy (K) of the gaseous particles is directly proportional to the absolute temperature (T) of the gas, by the equation:

$K = \frac{3}{2}k_{b}T$

Here, $k_{b}$ is the Boltzmann constant

Therefore, the false statement about the kinetic molecular theory is (C)

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A rock has 25 percent of its original amount of potassium-40 remaining in it; potassium-40 has a half-life of 1.25 billion years

Hunter-Best [27]

For rock dating, the kinetics used is first-order with the equation

ln(initial conc./final conc.) = kt

First, we determine k, which is the reaction constant. With the given half-life, this means that the final conc. is half of the initial conc. Hence,

ln 2 = k (1.25 x10^7)
k =5.55 x 10^-8

Then we use this to predict the time elapsed.

ln (1/0.25) = (5.55x10^-8)(t)
t = 2.5 x 10^7 or 2.5 billion years

I hope I was able to help you with your question. Have a good day.

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