WILL GIVE BRAINLIEST! Please help me because I am unable to find help and I have to turn in this assignment or else I will fail this class for the year. I AM NOT ACCEPTING FILES!!

When a high amount of heat is supplied, the sugar melts faster than when a low amount of heat is supplied.

The term melting has to do with the breakdown of the bonds that hold the molecules of a substance together. Melting occurs when heat is applied continously to a body.

Now, the time taken for the sugar to melt depends on the amount of heat supplied. In other words, when a high amount of heat is supplied, the sugar melts faster than when a low amount of heat is supplied.

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When a high amount of heat is supplied, the sugar melts faster than when a low amount of heat is supplied. low heat makes the sugar take awhile to melt. High heat was the final heat setting. I took about 8-10 minutes.

Answer:

E

Explanation:

The empirical formula has a mass of

3*C = 3*12 = 36

4*H = 4*1   =   4

1*O = 1 * 16 = 16                   Add

Total =          56

The actual mass of the molecule in nature is 112

Multiplier = nature's mass /  empirical formula mass

Values

Nature's mass = 112

Empirical mass = 56

Solution

Multiplier = Natures mass/Empirical Mass

Multiplier = 112  / 56

Multiplier = 2

Formula

Nature's formula = (Emperical Mass)_multiplier

Nature's formula = (C3H4O)_2                             Multiply

Nature's formula = C6H8O2

Check

C6 = 6*C = 6*12 = 72

H8 = 8*H = 8*1 =    8

O2 = 2*O = 2*16 = 32  Add

Total                      112  which checks with what is given.

The empirical formula of the compound would be  [tex]Al_2S_3[/tex]

The compound is composed of aluminum and sulfur:

Al = 35.94                                S = 64.06

Find the mole of each component

Al = 35.94/26.98                       S = 64.06/32

     = 1.33                                        = 2.00

Divide by the smallest:

Al = 1.33/1.33                                   S = 2/1.33

    = 1                                                  = 1.5

Thus, the empirical formula of the compound is [tex]Al_2S_3[/tex]

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The empirical formula of the compound from the calculations done is AlS2.

The term empirical formula refers to the simplest formula of a compound. It shows the ratio of atoms of elements in the molecule.

Now, we divide each percentage with the relative atomic mass of the element;

Al - 35.94/27     S - 64.06/32

1.33                           2.00

Divide through by the lowest ratio;

1.33/1.33                 2.00/1.33

A - 1                       S - 2

The empirical formula of the compound is AlS2.

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Answer:

1. Cadmium sulfide

2. Iron (III) hrydroxide

3. Barium carbonate

1. Cadmium sulfide

2. Iron (III) hydroxide

3. Barium carbonate

These three will form a precipitate in the respective reactions.

In chemistry, a solid is formed by a change in a solution, often due to a chemical reaction or change in temperature that decreases the solubility of a solid.

[tex]Na_2S + Cd(NO_3)_2[/tex] → [tex]CdS + 2NaNO_3[/tex]

cadmium sulfide will form a precipitate.

[tex]FeCl_3 + 3KOH[/tex]→ [tex]3KCl + Fe(OH)_3[/tex]

iron (III) hydroxide will form a precipitate.

[tex]Na_2CO_3 + Ba(NO_3)_2[/tex] → [tex]BaCO_3 + 2NaNO_3[/tex]

barium carbonate will form a precipitate.

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The maximum mass of NH₃ that can be formed when 36.52 g of N₂ reacts with 10.62 g of H₂ is 44.35 g

N₂ + 3H₂ —> 2NH₃

Molar mass of N₂ = 14 × 2 = 28 g/mol

Mass of N₂ from the balanced equation = 1 × 28 = 28 g

Molar mass of H₂ = 2 × 1 = 2 g/mol

Mass of H₂ from the balanced equation = 3 × 2 = 6 g

Molar mass of NH₃ = 14 + (3×1) = 17 g/mol

Mass of NH₃ from the balanced equation = 2 × 17 = 34 g

SUMMARY

From the balanced equation above,

28 g of N₂ reacted with 6 g of H₂ to produce 34 g of NH₃

From the balanced equation above,

28 g of N₂ reacted with 6 g of H₂

Therefore,

36.52 g of N₂ will react with = (36.52 × 6) / 28 = 7.83 g of H₂

From the above calculation, we can see that only 7.83 g out of 10.62 g of H₂ are required to react completely with 36.52 g of N₂.

Therefore, N₂ is the limiting reactant

From the balanced equation above,

28 g of N₂ reacted to produce 34 g of NH₃

Therefore,

36.52 g of N₂ will react to produce = (36.52 × 34) / 28 = 44.35 g of NH₃

Thus, the maximum mass of NH₃ obtained from the reaction is 44.35 g

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Answer:this air polluction here.

Explanation:

air and soil polluction

Dipole to Dipole force

Explanation:

A dipole to dipole forces exists between these molecules

The container that has lowest temperature will store more amount of gas as compared to high temperature container.

At lowest temperature, the container stored the large amount of gas because at lower temperature the gases contract so more space is available for the storage of more gases.

So we can conclude that the container that has lowest temperature will store more amount of gas as compared to high temperature container.

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Answer:

calcium sulphate and water

Answer:

True

Explanation:

This is because the Earths ionisphere was distrubed which makes radio communications.

Let's see

Calculate carbons

Check bondings

The compound is

The name is

Answer:

1.Ecologists often estimate the size and density of. populations using quadrats and the mark-recapture method.

2. The two key components of ecosystem stability are resilience and resistance.

3.The availability of abiotic factors (such as water, oxygen, and space) and biotic factors (such as food) affect population

4. When the climate is changing in the colder direction it effects the planet in the opposite way than it does when it is changing in the warmer direction. Ad nauseam the contemporary, it’ll keep getting hotter and at a greater rate so the ecosystem is going to die.

After acid was added to the solution and the hydronium ion concentration becomes 100 times greater, the pH of the new solution is 5.

The pH of a solution is defined as the logarithm of the reciprocal of the hydrogen ion concentration  [H+] of the given solution.

It is expressed as;

pH = -log[ H⁺]

Given that;

pH = -log[ H⁺]

H⁺ = 10^( -pH )

H⁺ = 10^( -7 )

H⁺ = 10⁻⁷

When acid is added to the solution, the hydronium ion concentration becomes 100 times greater.

H⁺ = 10⁻⁷ × 100

H⁺ = 10⁻⁵

pH of the new solution will be;

pH = -log[ H⁺ ]

pH = -log[ 10⁻⁵ ]

pH = 5

Therefore, after acid was added to the solution and the hydronium ion concentration becomes 100 times greater, the pH of the new solution is 5.

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Answer:

b

Explanation:

is the dictionary definition of a word.

is the feeling or idea associated with a word.

The amount of [tex]Al_2O_3[/tex] that would be formed will be 44.59 grams

From the equation of the reaction:

[tex]4Al + 3O_2 --- > 2Al_2O_3[/tex]

The mole ratio of Al to  [tex]Al_2O_3[/tex] is 2:1

Mole of 23.6 g Al = 23.6/26.98 = 0.87 moles

Equivalent mole of  [tex]Al_2O_3[/tex] = 0.87/2 = 0.44 moles

Mass of 0.44 mole  [tex]Al_2O_3[/tex] = 0.44 x 101.96 = 44.59 grams

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Answer: About 43 billion tons

Explanation:

This is gonna be quite hard to explain.

Answer:

332.3g

Explanation:

hope this helps loves x

Answer:

Partial pressure of O2 = 4.93 atm

Explanation:

PV = n RT        R = .082057 L-atm/mol-K

n = 6.3 + 8.15 = 14.45 moles

348 C = 621.15 K

P (65.1) = 14.45 ( .082057)(621.15) = 11.31 atm

Now the fraction of pressure from Oxygen is

   6.3 / (6.3+8.15)  * 11.31 = 4.93 atm

Answer:

I think the answer should be 147

Explanation:

Answer:

The formula is CI 3 I. Hope this helps!

Answer:

ICl3.

Explanation: trust me

sink: w cube+w sand>Fb(buoyant force)

w cube = massless = 0

w sand>Fb

w sand > 1000 x 10 x (11/100)³

w sand > 13.31 N

ρgV sand > 13.31

3.5 x 10³ x 10 x V sand > 13.31

V sand = 13.31 : 3.5 x 10⁴ = 3.803 x 10⁻⁴ m³ = 380.3 cm³  

Answer:

You will need a Kukushili pressure cooker for this experiment. This pressure cooker will allow you to compress the gases and observe its volume.

[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]

Cations are ions that has a positive charge on it, and since it's a positive charge, it means that the ion has more protons than the number of electrons.

On the same contray, Anions are negatively charged particles having more electrons than protons in it, and hence bearing a negative charge.

property : non - alike ions attract each other by electrostatic force.

Answer:

Cations are positively-charged ions.

Anions are negatively-charged ions.

The unbalanced equations are the equations with different atomic numbers on the sides of the reaction. The unbalanced reaction is Na + Cl₂ → NaCl

Balanced equations are the chemical reaction representation that has an equal number of the atomic number of the same species on the left and the right side of the reaction.

An unbalanced equation between sodium metal and chloride can be shown as:

Na + Cl₂ → NaCl

The equation is unbalanced as the number of chloride ions is more on the reactant side than the product side.

The balanced reaction will be:

2 Na + Cl₂  2NaCl

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The number of molecules of oxygen in the cylinder would be  6.022 x [tex]10^{23}[/tex]

According to Avogadro, 1 mole of any substance contains 6.022 x [tex]10^{23}[/tex] molecules.

In this case, there is 1 mole of oxygen gas in the cylinder. Thus, following the established rule by Avogadro, there would be 6.022 x [tex]10^{23}[/tex] molecules of oxygen in the cylinder.

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Answer:

6.02 x10^23

Explanation:

i did the test

Answer: A

Explanation:

Answer:

Explanation:

3 Apply Many scientific words, such as table, also have everyday meanings. Use context clues to write your own definition for each meaning of the word table.

Example sentence

The books are on the table