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3 years ago

Dissolved in many gasolines are cleaning agents and anti-knock additives. These cleaning agents and additives are an example of

Physics

1 answer:

lorasvet [3.4K]3 years ago

3 0

Solutes

Explanation:

These cleaning agents and additives are examples of solutes.

Solutes are substances that dissolves in other substances called solvents to form a solution.
The solutes are the cleaning agents and anti-knock additives.
The solvents are the gasoline.
When solutes dissolves in solvents they form solutions.
A solution is a mixture that is homogeneous.
For a solute dissolve in a solvent, they must both have the same property.
Like substances will only dissolve in like ones.

learn more:

Heterogeneous mixtures brainly.com/question/1446244

#learnwithBrainly

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slader the cross section of a 5-ft long trough is an isosceles trapezoid with a 2 foot lower base, a 3-foot upper base, and an a

Ostrovityanka [42]

Answer:

0.08 ft/min

Explanation:

To get the speed at witch the water raising at a given point we need to know the area it needs to fill at that point in the trough (the longitudinal section), which is given by the height at that point.

So we need to get the lenght of the sides for a height of 1 foot. Given the geometry of the trough, one side is the depth d and the other (lets call it l) is given by:

$l=\frac{3-2}{2}\,ft+2\,ft\\l=2.5\,ft$

since the difference between the upper and lower base is the increase in the base and we are only at halft the height.

Now we can calculate the longitudinal section A at that point:

$A=d\times l\\A=5\,ft \times 2.5\, ft\\A=12.5\, ft^{2}$

And the raising speed v of the water is given by:

$v=\frac{q}{A}\\v=\frac{1\, \frac{ft^3}{min}}{12.5\, ft^2}\\v=0.08\, \frac{ft}{min}$

where q is the water flow (1 cubic foot per minute).

7 0

3 years ago

Why are atoms of lithium, sodium, and potassium almost never found alone together in nature?

nikdorinn [45]

atoms of lithium, sodium, and potassium almost never found alone in nature because they have only one electron in their outer most shell which makes them very reactive and they react with other atoms thats why. I hope this can help you

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3 years ago

Back 8 8. 9. 10. 11. 12. 13. 13

deff fn [24]

Answer:

i dont know the answer for this question sorry for the misunderstanding

Explanation:

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2 years ago

Suppose you have a 113-kg wooden crate resting on a wood floor. (μk = 0.3 and μs = 0.5) (a) What maximum force (in N) can you ex

AURORKA [14]

Answer:

554.27N

Explanation:

(a) The max frictional force exerted horizontally on the crate and the floor is,

Substitute the values,

μs=0.5

mass=113kg

g=9.81m/s

Ff=μsN

=μsmg

=(0.5 x 113 x 9.81)

Ff=554.27N

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2 years ago

Compare the numbers of protons and electrons in a positive ion with the numbers of protons and electrons in a negative ion.

kow [346]

Answer:

In a positive ion, the number of protons is larger than the number of electrons.

In a negative ion, the number of protons is smaller than the number of electrons.

Explanation:

Each proton carries a positive charge of one unit.

Each elec in tron carries a negative charge of one unit.

In an atom, there are as many protons as electrons. Hence, they are neutral.

However, in a positive ion, there are less negative charge than positive charge. Hence the net charge is positive. That also means that there are fewer negatively-charged electrons than positively-charged protons.

Similarly, in a negative ion, there are more negative charge than positive charge. Hence the net charge is negative. That also means that there are more negatively-charged electrons than positively-charged protons.

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3 years ago