What are the correct coefficients in order for the equation to be balanced ?

Answer:

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Explanation:

Hence, the new pressure of the neon gas is 833.3 mm Hg.

To calculate the new pressure, we apply Boyle's law

Boyle's law state that, at a constant temperature, the volume of a given mass of gas is inversely proportional to its pressure.

Formula:

Where:

Make P' the subject of the equation

From the question,

Given:

Substitute these values into equation 2

Hence, the new pressure of the neon gas is 833.3 mm Hg.

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Answer: Ability to combine with hydrogen

Explanation:

The ability to combine with another substance is called reactivity and it is classified as a chemical property, not physical

The volume occupied by one mole of gas at stp is known as the standard molar volume of a gas. It has been found to be 22.41410 L. According to Avagadro's law, one mole of any gas will occupy the same volume as one mole of any other gas at the same temperature and pressure, despite mass difference. Knowing the volume of gas, you can use 1 mol/22.4L as a conversion factor to find the number of moles, and therefore the mass, of a given volume of a given gas at STP.

Behaviour of gases:

‎ㅤ‎ㅤ‎ㅤ ➝ PV = KT

Answer:

176.9 g/mol

Explanation:

You have to add the molar masses of the constituent atoms. The molar mass of palladium is 106.42 g/mol and the molar mass of chlorine is 35.45g/mol so 106 + 2(35.45) = 176.9 g/mol

Answer:

The idea with diluting a solution is that the number of moles of solute will remain constant after the initial solution is diluted. The only ...

Explanation:

hope it helps you

Answer:

1232.896 carbon atoms

Explanation:

In one mole of carbon, there are 6.02×1023 atoms. So in two moles, there will be : 1.204×1024 .

1232.896 carbon atoms

hope this helps

Answer:

unequally

Explanation:

this is because many different physical factors vary massively over the earth

Answer:

Elevation.

Explanation:

Although latitude is a very important factor in temperature, Las Vegas and Mt. Charleston are pretty close to each other, which makes me think that elevation would be the only thing that could explain the extreme difference in temperature.

Answer:

sodium is a metal,It's known as soft and silvery.

Answer:

I think It Is C

Explanation:

Im really sry if i am wrong

Answer: 0.0625 grams left in the patients blood stream

Explanation:

half life formula: A = o(1/2)^t/d

A represents answer, o represents original amount of iodine used, t represents time iodine is used for, d represnts half life of iodine.

A = 1(1/2)^32/8

A = 0.0625 grams left in the patients blood stream

When we show the structure of a molecule, we see the arrangement of atoms in the molecule.

The structure of a molecule shows the arrangement of atoms in the molecule.

1) There are 24 carbon atoms in the molecule.

2) There are 30 p- orbitals that are involved in pi bonds in the molecule.

3) We need to add 22 lone pairs of electrons

4) We do not need to add any formal positive charge to the molecule.

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The  [OH⁻] of the solution is 5.37×10⁵ M.

This is the negative logarithm to base 10 of hydroxy ion [OH⁻] concentration.

To calculate the hydroxy ion [OH⁻] concentration we use the formula below.

Note:

Formula:

Given:

Substitute the value into equation 1

Hence, The [OH⁻] of the solution is 5.37×10⁵ M.

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The concentration of the hydroxide ion [OH¯] in the solution is 5.89×10¯⁵ M

From the question given above, the following data were obtained:

pH + pOH = 14

9.77 + pOH = 14

Collect like terms

pOH = 14 – 9.77

pOH = 4.23

pOH = –Log [OH¯]

4.23 = –Log [OH¯]

Multiply through by –1

–4.23 = Log [OH¯]

Take the anti-log of –4.23

[OH¯] = anti-log (–4.23)

[OH¯] = 5.89×10¯⁵ M

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Corals are a key part of world's diversity .

I have done the quiz so here is the answer:

coastal land development

ocean water pollution.

damage from scuba driving, boating and fishing.

Answer: 2Li+(aq) + SO42-(aq) + Ca2+(aq) + 2NO3-(aq) = 2Li+(aq) + 2NO3-(aq) + CaSO4(s)

Explanation:

Li2SO4 + Ca(NO3)2 → LiNO3 + CaSO4

Lithium Sulfate + Calcium Nitrate = Lithium Nitrate + Calcium Sulfate

Balanced:

Li2SO4 + Ca(NO3)2 → 2LiNO3 + CaSO4

Write the state for each molecule if as aqueous, solid or liquid. All nitrates are normally soluble and sulfates are also soluble with few exceptions which are partially soluble.

2Li+(aq) + SO42-(aq) + Ca2+(aq) + 2NO3-(aq) = 2Li+(aq) + 2NO3-(aq) + CaSO4(s)

[tex]\Large \text{1)}[/tex]

[tex]\textbf{Use the formula and substitute the values}[/tex]

[tex]\displaystyle 0.3\ mol/L = \frac{n \ mol}{10 \times 10^{-3}\ L}[/tex]

[tex]\textbf{Solve for the number of moles}[/tex]

[tex]n = 0.003\ mol[/tex]

[tex]\textbf{Calculate final volume }[/tex]

[tex]40+10=50\ mL[/tex]

[tex]\textbf{Number of moles remains same. Solve for concentration}[/tex]

[tex]\displaystyle C=\frac{0.003\ mol}{50 \times 10^{-3}\ L} =0.06\ mol/L[/tex]

[tex]\Large \text{2)}[/tex]

[tex]\displaystyle DF=\frac{V_f}{V_i}[/tex]

[tex]\displaystyle DF=\frac{50}{10}=5[/tex]

Answer:

An acid increases the concentration of H+ ions. A base is a substance that releases hydroxide (OH-) ions in aqueous solution, donates electrons and accepts protons. An acid is a proton donor. A base accepts a proton.Explanation:

Answer:

installe mo TRUE ID

Explanation:

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Answer:

d is the right anwer

Explanation:

what's the full question so i can give you an answer?

Answer:

Both physical and chemical

Explanation:

Plants are able to release toxins and show withering through stages. When a plant has a certain smell, it means it is going through a chemical change, but when you see a plant turning brown, it goes through a physical change.

D. 6.6

Strong acid pH range < 3

weak base pH range 8-11

A strong acid is used as a titrant against a weak base. The most likely pH for the equilibrium point will be 6.6.

pH, a scale that quantifies the acidity as well as basicity of liquid solutions that are aqueous or other.

Any acid which entirely ionizes in solutions would be considered a strong acid. This indicates that when dissolved in a solution, it emits the most hydrogen ions as well as protons.

The pH will not neutral there at an equivalence point when a weak base is compared to a strong acid. The solution is just in fact acidic (pH ≅ 6.6) there at the equivalency point.

Therefore, the correct answer will be option (D).

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Answer:

Magnesium fluoride is prepared from magnesium oxide with sources of hydrogen fluoride such as ammonium bifluoride: MgO + (NH4)HF2 → MgF2 + NH3 + H2O. Related metathesis reactions are also feasible. The compound crystallizes as tetragonal birefringent crystals.

Answer:

6.00 Ml

Explanation:

I hope this helps

Answer:

volume

Explanation:

this is because gallon is a unit of volume.

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The property of the gas that was used by the chemist's report is volume. The correct option is D.

Volume is a scalar quantity that is used to measure the space occupied by a three-dimensional object. In terms of liquid and gas, the volume is measured as the capacity of the container that contains a liquid.

Gas is a state of matter that has no regular shape and no fixed volume. They have the lowest density and their moles are farthest from each other.

Gallon is a unity of volume that is used in the metric system of the United States. There are 100 gallons of gas in the container, the volume of gas is the total number of moles of the gas in a container.

Thus, the correct option is D. Volume.

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1. The molar mass of the element M is 40 g/mol

2. The name of the element is calcium (Ca)

The mole an element is related to it's mass and molar mass according to the following equation:

Mole = mass / molar mass

Mass of nitrogen = 43.5 – 35.3

Mass of nitrogen = 8.2 g

Mole of M : Mole of nitrogen = 3 : 2

35.3 / y ÷ 8.2 / 14 = 3 : 2

(35.3 / y) × (14 / 8.2) = 3 / 2

494.2 / 8.2y = 3 / 2

Cross multiply

8.2y × 3 = 494.2 × 2

24.6y = 988.4

Divide both side by 24.6

y = 988.4 / 24.6

y ≈ 40 g/mol

Thus, the molar mass of the element is 40 g/mol

From the periodic table, the element having a mass number of 40 is Argon and Calcium. Since argon will not react with nitrogen to produce Ar₃N₂.

Therefore, we can conclude that the element is calcium since it can react with nitrogen as illustrated by the equation

3Ca + N₂ —> Ca₃N₂

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