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2 years ago

Why does liquid stay at a constant temperature while it is boiling?

2 answers:

6 0

When boling occurs the more energetic molecules change to a gas spread out and form bubbles. ... in addition gas molecules leaving the liquid take away heat energy. Therefore the temperature of the liquid remains constant durning boling .

GaryK [48]2 years ago

4 0

It is because say water boils at 212 F, if it goes higher at 213 it would get so much heat and energy it turns into a gas, so it cannot stay a liquid with 213 because at that point it would be gas, thus when water reaches 212 it's max if it goes any higher it will be gas

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BRAINLIEST ASAP

Sveta_85 [38]

The first three quantum numbers for electrons located in subshell 4s are :

n = 4

l = 0

m = 0

3 0

2 years ago

Which incorrect aspect of Rutherford’s model was fixed by Bohr’s model?

dolphi86 [110]

Answer:

Some things that were wrong with Rutherford's model were that the orbiting electrons should give off energy and eventually spiral down into the nucleus, making the atom collapse. Bohr proposed his quantized shell model of the atom to explain how electrons can have stable orbits around the nucleus. To remedy the stability problem, Bohr modified the Rutherford model by requiring that the electrons move in orbits of fixed size and energy.

Explanation:

7 0

2 years ago

1. An atom that has an outer shell that is NOT full is (more likely OR less likely) to be reactive than an atom that has a full

Serga [27]

Yes because they atom with a stable octet electrons is less reactive it does not need any more electrons while an atom that has an partially filled electrons need more electrons to complete octet structure

7 0

2 years ago

A weather balloon was initially at a pressure of 0.950 atm, and its volume was 35.0 L. The pressure decreased to 0.750 atm, with

puteri [66]

Answer: The change in volume will be 9.30 L

Explanation:

To calculate the new pressure, we use the equation given by Boyle's law. This law states that pressure is directly proportional to the volume of the gas at constant temperature.

The equation given by this law is:

$P_1V_1=P_2V_2$

where,

$P_1\text{ and }V_1$ are initial pressure and volume.

$P_2\text{ and }V_2$ are final pressure and volume.

We are given:

$P_1=0.950atm\\V_1=35.0L\\P_2=0.750atm\\V_2=?L$

Putting values in above equation, we get:

$0.950\times 35.0L=0.750\times V_2\\\\V_2=44.3L$

The change in volume will be (44.3-35.0)L = 9.30 L

7 0

2 years ago

Which of the following statements is true?

lys-0071 [83]

Answer:

Air is a good insulator because the molecules are far apart. This reduces mobility of air molecules hence conduction is difficult.

Explanation:

For other statements :

All the suns radiations are not reflected back to space because the ozone layer of the earth's atmosphere which regulates the intensity of radiations from the sun, it is transparent and porous hence heat and light rays from sun enter earth.
Work is only done by potential energy when the body is under free fall and experiencing gravitational force, but for a body moving without influence of gravity, work is done by the force applied and the distance moved by the body. This force is called a conservative force.
Total mechanical energy is given by

= Kinetic energy + Potential energy

8 0

2 years ago