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3 years ago

Solubility describes the ability of a substance to evaporate and separate out true or false

Physics

2 answers:

sweet [91]3 years ago

5 0

Solubility is a substance dissolving in a liquid. So I would say False just because of the wording here.

bazaltina [42]3 years ago

4 0

Answer:

false

Explanation:

The capacity of a given substance to dissolve is called solubility, that is, the ability of the solvent to dilute a solute, in qualitative terms.

In quantitative terms, solubility is associated with concentration and corresponds to the maximum amount of a substance that can be dissolved in a given amount of solvent at a specific temperature. It is expressed as the maximum amount of grams of solute dissolved per 100 mL of solvent, or the maximum amount of grams of solute dissolved per 100 g of solvent.

The substances do not dissolve to the same extent in the same solvent. In order to be able to compare the ability of a solvent to dissolve a given product, a magnitude called solubility is used. The ability of a certain amount of liquid to dissolve a solid substance is not unlimited. Adding solute to a given volume of solvent reaches a point from which the solution does not admit more solute (an excess of solute would be deposited in the bottom of the container). It is said then that it is saturated. Well, the solubility of a substance with respect to a given solvent is the concentration that corresponds to the state of saturation at a given temperature.

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A star produces 2x10^26 watts. how much energy does it lose every minutes

Step2247 [10]

Answer:

Energy loss per minute will be $120\times 10^{26}j$

Explanation:

We have given the star produces power of $2\times 10^{26}W$

We know that 1 W = 1 J/sec

So $2\times 10^{26}W=2\times 10^{26}J/sec$

Given time = 1 minute = 60 sec

So the energy loss per minute $=2\times 10^{26}\times 60=120\times 10^{26}j$

We multiply with 60 we have to calculate energy loss per minute

7 0

3 years ago

What is the intensity in W/m2 of a laser beam used to burn away cancerous tissue that, when 85.0% absorbed, puts 470 J of energy

Advocard [28]

Answer:

26036485.6433 W/m²

Explanation:

E= Energy = 470 J

t = Time = 4 seconds

d = Diameter = 2.6 mm

Power is given by

$P=\dfrac{E}{t}$

Intensity is given by

$I=\dfrac{P}{\pi r^2}\\\Rightarrow 0.85I=\dfrac{E}{t\dfrac{\pi}{4} d^2}\\\Rightarrow I=\dfrac{470}{0.85\times 4\times \dfrac{\pi}{4}\times (2.6\times 10^{-3})^2}\\\Rightarrow I=26036485.6433\ W/m^2$

The intensity of the laser beam is 26036485.6433 W/m²

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3 years ago

When do sunspots disappear?

dedylja [7]

Answer:

In 5 years or so, the sun will be awash in sunspots and more prone to violent bursts of magnetic activity.

Explanation

once the magnetic field weakens the area and cold plasma enters the area of the sunspot

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3 years ago

if the user exerts a 14 n force on the upper handle, estimate the force on the clove. express your answer with the appropriate u

Marizza181 [45]

The force on the clove will have the same magnitude but a negative sign with it that is F = - 14 N

<h3>What is force and how do we calculate it ?</h3>

The definition of force is: The pushing or pulling on a massed object changes its velocity. Force is an external agent that has the power to alter a body's resting or moving condition.

It has a size and a movement.

Newton's second law of motion defines the force formula as follows:

A force is equal to an object's mass times its acceleration, or F = m a. You must use SI units when applying this formula: kilograms for mass, meters per second squared for acceleration, and newtons for force.

To know more about force you may visit the link which is :

brainly.com/question/26115859

#SPJ4

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1 year ago

The national government would like to start a program that would give states money for flood relief. Which of the following stat

rewona [7]

Answer:

When a disaster is declared, the Federal government, led by the Federal Emergency Management Agency (FEMA), responds at the request of, and in support of, States, Tribes, Territories, and Insular Areas and local jurisdictions impacted by a disaster.

Explanation:

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2 years ago