A container holds 0.500 qt if liquid. how many mL of lemonade will it hold

Arranging the pairs from strongest to weakest attraction :

Covalent bonds are the strongest bonds because it involves the sharing of electrons between two binding atoms therefore the atoms are not dissociated easily. Also covalent bonds are divided into ;

While Ionic bonds involves the transfer of electrons from a donor atom to another atom and such bonds are easily broken and it is a weaker bond when compared to Polar and Nonpolar bonds. therefore polar molecule and ion bond pair is stronger than ion and ion pair.

Hence we can conclude that ranking  the pairs from strongest to weakest attraction is as follows;  Nonpolar molecule and Nonpolar molecule,  Polar molecule and Polar molecule,  Polar molecule and Ion,  Ion and Ion.

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Knowing an object's position requires the (D) reference point

Reference point is the starting point use to locate another place or object. an object's position depends on reference point.

Position describes the distance and direction from reference point for an object. position of an object's is the location to the reference point.

Displacement is the difference between the initial position and the final position.

Speed is defined as the distance an object travels per unit time.

Time is defined as the duration  of an object travels to cover a distance.

so according to all , reference point is needed to determine the position of an object's.

Thus, Knowing an object's position requires the (D) reference point

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Answer:

It's motor oil and brake fluid

Cooking materials are made of copper, aluminum, and iron because they contain free, mobile electrons owing to the metallic bond.

Metallic bonding involves a sea of electrons that is bonded to metal cations by electrostatic attraction. The electrons in the metallic bond are free to move around the material.

Because there are free electrons, when the material is heated, the electrons receive energy and move faster, this energy spreads throughout the material by conduction.

Hence, good conductors of heat such as copper, aluminum, and iron are used for cooking materials.

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Answer:

When a liquid changes to gas, the particles absorb heat energy and they start vibrating faster and distance between them increases. On constant vibration, intermolecular forces decrease and particles start moving away from each other and change to gas.

Answer:

yes because its nuetrins notation

Answer:8

842.46 or to the next whole number

Explanation:

just multiply the mass of iron with the volume mL you have.

The mass of the iron whose volume and density are 111 ml and 7.847 g/cm³ respectively is 871.01 grams.

The product of density and volume of a substance represents its mass. Mathematically -

M = V x ρ

where -

ρ - density

M - mass

V - volume

Given is iron in liquid form. It occupies a total volume of 111 ml.

The mass of liquid iron can be calculated using -

M = V x ρ

Volume of iron [V] = 111 ml = 111 cm³.

Density of iron [ρ] = 7.847 g/cm³

Therefore, we can write -

M = 7.847 x 111

M = 871.01 grams

Therefore, the mass of the iron whose volume and density are 111 ml and 7.847 g/cm³ respectively is 871.01 grams.

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Answer:

"like-dissolves-like"

Any polarized molecule will not be soluble in a mixture of non-polarized molecules. Also, Acids and Bases mix with one another but not into neutral compounds. Organic molecules also do not mix with non-organic or aqueous solutions (like those without neutral pH)

Explanation:

Answer: Hydrogen-H

Explanation: Hydrogen is a gas, the most abundant element in the universe and the simplest of them all

Answer:

The answer would be B.

Explanation:

Answer: True

Explanation:

If you’ve seen a baseball game, you’ve probably also experienced the sight of a ball going up and up, until you begin to wonder when it’s going to come down! Yet every time, the ball does fall back to earth. Why? Gravity is an attractive force that exerts a pull between two objects, such as a baseball and the earth.

There are 4 moles of spectator ions that remain in solution.

The equation of the reaction is;

Na2CO3(aq) + Pb(NO3)2(aq) -------> PbCO3(s) + 2NaNO3(aq)

We have to determine the limiting reactant. This is the reactant that yields the least amount of product. Note that the spectator ions are Na^+ and NO3^- that form NaNO3.

For Na2CO3

1 mole of Na2CO3 yields 2 moles of NaNO3

3 moles of Na2CO3 yields  3 × 2/1 = 6 moles of NaNO3

For Pb(NO3)2

1 mole of Pb(NO3)2 yields 2 moles of NaNO3

2 moles of Pb(NO3)2 yields 2 × 2/1 = 4 moles of NaNO3

We can see that Pb(NO3)2 is the limiting reactant.

Since [NaNO3] = [Na^+] = [NO3^-], it follows that there are 4 moles of spectator ions that remain in solution.

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Explanation:

the units for the rate constant of a first-order reaction is :

[tex] = {s}^{ - 1} [/tex]

Answer:

silver

Explanation:

is a chemical element with the symbol Ag (from the Latin argentum, derived from the Proto-Indo-European h₂erǵ: "shiny" or "white") and atomic number 47.

Answer:

Earnest Rutherford

Explanation:

From what I beleive, Rutherford had created the nuclear model

Answer: Scientists work independently to form theories about the Earth without sharing d

Scientists work independently to form theories about the Earth without sharing data.

Solar system is defined as the grouping of the eight planets and their moons in orbit around the sun, as well as other smaller bodies like comets, asteroids, and meteoroids.

It can also be defined as the Sun's orbiting objects are confined by gravity to one system.

An orbiting collection of planets, meteors, or other celestial bodies is referred to as a star system.
The Sun, an ordinary star, the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto make up our solar system.

Our solar system is referred to as the "solar system" because our Sun is called Sol after the Latin word for Sun, "solis," and because anything related to the Sun is termed "solar."

Thus, scientists work independently to form theories about the Earth without sharing data.

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1. a

2. a

3. b

4. b

5. c

6. a

7. c

Answer:

protons: 8

neutrons: 9

Explanation:

the atomic number tells you how many protons are in a element. The mass is the number of protons + neutrons.

17 - 8 = 9 neutrons

There are 8 protons and 9 neutrons in the nucleus of the oxygen atom.

The atomic number of an atom is the number of protons in atom of an element.

It can also be defined as the number of electrons in a neutral atom of an element.

The mass number is the number of protons and neutrons in the nucleus of an atom of an element.

The proton number of the oxygen atom is 8

The neutron number is 17 - 8 = 9

Therefore, in the nucleus of the oxygen atom, there are 8 protons and 9 neutrons.

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Answer is B are kinds of physical change.

Answer: B. It is based on multiple observations.

Explanation:

Newton's first law of motion is considered  a law  and not a theory because it is based on multiple observations.

Observations are defined as a set of statements or facts which are recorded while conducting an experiment.Observations are made through sensing changes in the variables of the experiment.

It is specifically defined as an act of knowing or recording the changes in the variables of the experiment.Recording observations holds importance as recording observations avoid the experiment to be repeated over and over again.

It is important to note down observations so that the testing of hypothesis is made easier.There are four types of observations .Observations need to be descriptive and must be written in complete sentences and should include all the numerical data of the experiment.

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Answer:

true

Explanation:

Answer:fluorine

Explanation:

Based on location in the periodic table, fluorine (F) has chemical properties that are most similar to iodine.

In the periodic table, elements are classified in groups and periods. The elements in the same group are chemically similar and they have the same number of valence electrons. Elements in the same period have the same highest energy level.

Hence, when looking for an element that is most chemically similar to iodine, we have to consider the element that is in the same group with iodine.

Both fluorine are iodine are both in group 17 hence, fluorine is most chemically similar to iodine.

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Answer:

It's from the quation:

[tex] \boxed{ \mathsf{ \underline{2K} +\underline{2 H_2O} \rightarrow \:\underline{2}KOH + H_2 }}[/tex]

(How did I know?)

I learnt it while studying the elements of group 1.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

K, here, is Potassium. It's position in the periodic table is Group 1, Period 4.

Valance electrons of elements of this group contribute to the valency of the group's elements I.e.,

valency of Alkali metals is 1!

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

What are hydroxides?

Hydroxides of an element comprises one atom each of oxygen and Hydrogen bonded together, acting as an anion, the hydorxide anion — OH-.

Example:

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

In the question, The reactants are missing but the products are known, that are, Potassium Hydroxide and water.

Keeping the above mentioned property in mind, the reactants come clear as Potassium(K) and Cold water(H2O).

that makes the equation:

[tex] \mathsf{K + H_2O \rightarrow \: KOH + H_2 }[/tex]

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

For an equation to be balanced, the number of atoms of each elements on both side of the equation must be equal.

Number of atoms of each element on the LHS:

(subscript in front of an atom represents its number of atoms in the compund)

Number of atoms of each element on the LHS:

The number of Hydrogen atoms on boths sides is NOT balanced!

Hit and trial method:

If we add a "2" in front of K, H2O and KOH

[tex] \mathsf{ \underline{2K} +\underline{2 H_2O} \rightarrow \:\underline{2}KOH + H_2 }[/tex]

Number of atoms on both the sides become equal.

(TIP: This comes thru practice:/. but main point is even out the oxygen and Hydrogen atoms first. like if it's 3 multiply it by 2 and you get an even number, I.e., 6)

Number of atoms of each element on the LHS:

Number of atoms of each element on the LHS:

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Hence, the balanced form of the equation is:

[tex] \boxed{ \mathsf{ \underline{2K} +\underline{2 H_2O} \rightarrow \:\underline{2}KOH + H_2 }}[/tex]

Answer:

Alkali metals have 1 valence electron on their outer shell. They are more stable when they have 8 valence electrons, so they want to lose that valence electron. They do this by bonding with other elements. When they lose their 1 valence electron, they have a full octet and are therefore stable.:

Answer: (although the question does not sate whether if you separate them physically or through energy. so i did both)

1. can be separated (When high-energy ultraviolet rays strike ordinary oxygen molecules (O2), they split the molecule into two single oxygen atoms, known as atomic oxygen)

2. can be separated, but through electrolysis, fiscally moving a crane to generate electricity to separate the molecules

3. Most solid particles, composed of diamagnetic or weak paramagnetic materials, cannot be extracted by a conventional magnetic separator. physically cannot be separated. but through heat yes

4. but there is a catch: doing so requires energy. ... If energy from coal were applied to drive the decomposition reaction, more CO2 would be released than consumed, because no process is perfectly efficient. so it cant be separated physically

5. it can be separated but it needs energy physically cannot be separated.

Explanation:

Answer: 41.5

Explanation: