raw material for fusion

Answer:

Its true I think but I may be wrong lol

Answer:

An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged An apple, potato, and onion all taste the same if you eat them with your nose plugged

Explanation:

y e s

Answer: D

Explanation:

On edge

Answer:

D

Explanation:

just did it on Ed

Answer:

The net reaction is:

1/2 C    +    F  +               →      A   +   B       D  

The overall heat of this reaction = 40.96 kJ

Explanation:

Given that:

3A   +   6B   →   3D      ΔH = -418  kJ

E       +  2F   →    A       ΔH =  -118.2 kJ

             C    →  E  +   3D ΔH = 60.8  kJ

The first process says we should reverse the first equation and multiply it by 1/6

i.e.

3D × 1/6 →  3A × 1/6 + 6B ×  1/6   ;  ΔH  =  +1/6 × 418 kJ

1/2D →   1/2 A  + B                         ; ΔH  =  69.66 kJ

Then the second and the third equation are divided by 2

1/2 × E   + F → 1/2 A           ; ΔH  = -1/2  ×  118.2  kJ

1/2C  →   1/2 E   + 3/2  D    ; ΔH  =  1/2  ×  60.8 kJ

By adjusting the three equations together; we have:

1/2D →   1/2 A  + B             ; ΔH  =  69.66 kJ

1/2 × E   + F → 1/2 A           ; ΔH  =   -59.1  kJ

1/2C  →   1/2 E   + 3/2  D    ; ΔH  =   30.4  kJ                      

1/2C + F → A + B + D         ; ΔH  =  (69.66 - 59.1 + 30.4) kJ

                                            ΔH  =  40.96  kJ

The net reaction is:

1/2 C    +    F  +               →      A   +   B       D  

The overall heat of this reaction = 40.96 kJ

Answer:

Carbon dioxide

Explanation:

Humans are animals and we exhale carbon dioxide

Answer:

E = 165.75×10⁻²⁶ J

Explanation:

Given data:

Wavelength = 0.12 m

Energy of wave = ?

Solution:

Formula:

E = h c/λ

c = 3×10⁸ m/s

h = 6.63×10⁻³⁴ Js

Now we will put the values in formula.

E = 6.63×10⁻³⁴ Js × 3×10⁸ m/s / 0.12 m

E = 19.89×10⁻²⁶ J.m / 0.12 m

E = 165.75×10⁻²⁶ J

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Answer:

174.6g of solution contains the 11.0g of sucrose

Explanation:

A solution of 6.3% by mass of sucrose contains 6.3g of sucrose in 100g of solution, that is, 6.3g of sucrose / 100g of solution.

As we want to find the mass contains 11.0g of sucrose, we can write:

11.0g of sucrose * (100g of solution / 6.3g of solution) =

Answer:

-1.35 degree

Explanation:

Given the specific rotation of (S)-2-butanol = +13.5 degree

So, the specific rotation of its enantiomer (R)-2-butanol = -13.5 degree

Now the optical rotation of a pure liquid is given by

[tex]$\theta = [\alpha]_\lambda ^t.l.d$[/tex]

Here, [tex]$\theta$[/tex]  = the optical rotation

         [tex]$[\alpha]_\lambda^t$[/tex] = specific rotation at temperature 't' and wave length 'λ'

                = -13.5 degree

         l = optical path length

           = 1 dm

          d  = density

             = 1/10

Therefore,

[tex]$\theta = -13.5 \times 1 \times \frac{1}{10}$[/tex]

    = -1.35 degree

Answer:

18 g

Explanation:

Step 1: Write the balanced equation

2 Al + 6 HCl ⇒ 2 AlCl₃ + 3 H₂

Step 2: Calculate the moles of Al

The molar mass of Al is 26.98 g/mol.

28.1 g × 1 mol/26.98 g = 1.04 mol

Step 3: Calculate the moles of HCl

46 mL of 1 M HCl react.

0.046 L × 1 mol/L = 0.046 mol

Step 4: Determine the limiting reactant

The theoretical molar ratio of Al to HCl is 2:6 = 0.33:1.

The real molar ratio of Al to HCl is 1.04:0.046 = 22.6:1

According to this, the limiting reactant is HCl.

Step 5: Calculate the mass of AlCl₃ generated from 0.046 moles of HCl

The molar ratio of HCl to AlCl₃ is 6:2. The molar mass of AlCl₃ is 133.34 g/mol.

0.046 mol HCl × 6 mol HCl/2 mol AlCl₃ × 133.34 g AlCl₃/1 mol AlCl₃ = 18 g AlCl₃

Answer: for me everything ig

Explanation:

Answer:

B. gas mixed with a liquid

Explanation:

because:

A. a solid can't dissolve in a liquid.

C. two liquids mixed isn't a solution

D. Not All of the above for sure.

Examples of solutions can be all of the above. The correct option is D.

A solution is made when a solute is mixed with a solvent. The solution can be a liquid, solid, or gas. The solution is made when the solute is fully mixed with the solvent. The solute is the substance that gets mixed, and the solvent is the base in which the solute gets dissolved.

So, a solid dissolved in a liquid, gas mixed with a liquid, or a liquid mixed with a liquid, the energy statement is true for a solution.

Examples of a solution are sugar dissolved in water when water mix with soda and state gets mixed with water or another gas.

Thus, the correct options are D. all of the the above.

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Answer:

A. Chemical Energy --> Thermal Energy

D. Chemical Energy --> Electromagnetic Energy

Explanation:

I took the quiz!

Answer:

20000

Explanation:

Answer:

Molarity of Ba²⁺ is 0M

Explanation:

Some barium ion, Ba²⁺ is produced when barium acetate is dissolved (Moles of barium acetate = moles of Ba²⁺ in solution). Then, Ba²⁺ reacts with sulfate ion to produce BaSO₄, an insoluble salt. The concentration of Ba²⁺ is the initial concentration - the concentration of SO₄²⁻ in solution.

Initial moles of Ba²⁺:

Moles barium acetate (Molar mass: 255.43g/mol)

0.363g * (1mol / 255.43) = 1.421x10⁻³ moles of Ba²⁺

Moles SO₄²⁻ = Moles of ammonium sulfate:

100mL = 0.100L * (0.025mol / L) = 2.5x10⁻³ moles of SO₄²⁻.

As moles of SO₄²⁻ are higher than moles of Ba²⁺, Molarity of Ba²⁺ is 0M because all moles of Ba²⁺ reacts producing BaSO₄(s), an insoluble salt.

distance = speed * time

speed = distance / time

speed = 20 meters / 5 seconds

speed = 4 meters / second

hope this helped!

net ionic equation

H⁺(aq)+OH⁻(aq)⇒H₂O(l)

The electrolyte in the solution produces ions.  

The equation of a chemical reaction can be expressed in the equation of the ions  

For strong electrolytes (the ionization rate = 1) is written in the form of separate ions, while the weak electrolyte (degree of ionization <1) is still written as an un-ionized molecule  

In the ion equation, there is a spectator ion that is the ion which does not react because it is present before and after the reaction  

When these ions are removed, the ionic equation is called the net ionic equation  

For gases and solids including water (H₂O) can be written as an ionized molecule  

So only the dissolved compound is ionized ((expressed in symbol aq)  

Reaction

HF(aq)+RbOH(aq)⇒H₂O(l)+RbF(aq)

ionic equation

H⁺(aq)+F⁻(aq)+Rb⁺(aq)+OH⁻(aq)⇒H₂O(l)+Rb⁺(aq)+F⁻(aq)

net ionic equation

H⁺(aq)+OH⁻(aq)⇒H₂O(l)

Answer:

[tex]T_b=239.7K=-33.49\°C[/tex]

Explanation:

Hello!

In this case, since the relationship between entropy and enthalpy for any process is defined below:

[tex]S=\frac{H}{T}[/tex]

For the vaporization of ammonia or any liquid, we can write:

[tex]\Delta S_{vap}=\frac{\Delta H_{vap}}{T_{vap}}[/tex]

In such a way, solving the temperature of vaporization, or boiling point, we have:

[tex]T_{vap}=\frac{\Delta H_{vap}}{\Delta S_{vap}}[/tex]

Plugging in the given enthalpy and entropy of vaporization we obtain:

[tex]T_{vap}=T_b=\frac{23350\frac{J}{mol} }{97.43\frac{J}{mol*K}} \\\\T_b=239.7K=-33.49\°C[/tex]

Best regards!

From the information provided in the question, the boiling point of ammonia is 240 K.

Entropy is the degree of disorderliness in a system. The entropy of a system can be obtained using the relation;

ΔS°vap = ΔH°vap /T

Now;

ΔH°vap = 23.35 kJ/mol

ΔS°vap = 97.43 J/mol·K

T = ?

Making T the subject of the formula and substituting values;

T = ΔH°vap /ΔS°vap

T = 23.35 × 10^3J/mol/97.43 J/mol·K

T = 240 K

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Answer:

Answer

Answer is option B coz da negative charge r more thn positive

Answer:

B.

Explanation:

On the hand in the option B there are 3 positive and 5 negative signs so the answer is B.

Answer:  The atomic number of oxygen is "O" .

Explanation:

Because Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds.

Answer:

25J

Explanation:

K.E = 1/2mv^2

= 1/2*0.5*10^2

= 25J

The kinetic energy of the ball is 25 J

Kinetic energy can be defined as the energy possessed by an object in motion. Mathematically, it can be expressed as:

KE = ½mv²

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

KE = ½mv²

KE = ½ × 0.5 × 10²

KE = 0.25 × 100

KE = 25 J

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Answer:

B

Explanation:

bshdiidididjdjjdididid

Answer:

C                  

Explanation:

Answer:

100% sure about that....just believe me

Hope u the best and hope that helps

Answer:

The correct answer is 2.1

Explanation:

The neutralization reaction involved in the titration is between a strong acid (HCl) and a strong base (NaOH), as follows:

HCl + NaOH → NaCl + H₂O

According to this, 1 equivalent of HCl reacts with 1 equivalent of NaOH. The equivalence point is the point at which the amount of NaOH added reacted completely with the amount of HCl.

moles of acid = moles of base

moles HCl = moles NaOH

Ca x Va = Cb x Vb

Ca = (Cb x Vb)/Va = (0.16 M x 17 mL)/(350 mL) = 7.8 x 10⁻³ M

Since HCl is a strong acid, we calculate the pH of the solution directly from the concentration of acid:

[H⁺]= Ca = 7.8 x 10⁻³ M

pH = -log [H⁺] = -log (7.8 x 10⁻³ M) = 2.11

Therefore, the pH of the HCl solution is 2.1

Answer:

E = 3.6×10⁻¹⁹ J

Explanation:

Given data:

Wavelength = 550 nm  (550 ×10⁻⁹ nm)

Energy of wave = ?

Solution:

Formula:

E = h c/λ

c = 3×10⁸ m/s

h = 6.63×10⁻³⁴ Js

Now we will put the values in formula.

E = 6.63×10⁻³⁴ Js × 3×10⁸ m/s /550 ×10⁻⁹ nm

E = 19.89×10⁻²⁶ J.m /550 ×10⁻⁹ nm

E = 0.036×10⁻¹⁷ J

E = 3.6×10⁻¹⁹ J

Answer:

I agree

Explanation:

because the sunlight passes through the atmosphere and is absorbed by earth's surface.

The green house gases in the atmosphere can change the behavior of energy on earth. Thus i agree with this statement.

The green house effect is defined as a process by which the radiations from the sun are absorbed by the green house gases like methane, Chloro fluoro carbons and not reflected back into the space. This makes the surface as insulator and prevents it from freezing.

Due to the increased level of green house gases, the temperature of the earth increases considerably and thereby causes global warming, depletion of ozone layer, smog and air pollution, etc.

It is the natural green house effect which affect the behaviour of heat energy radiated by the sun. The green house gases never let the radiations escape from the earth and increase the surface temperature of earth. This leads to global warming.

Thus green house gases affects the solar energy.

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The chemical reaction has been the low energy reaction containing electrons rearrangement, while nuclear reactions have been the higher energy reactions with change in nuclei.

The term nuclear reactions is defined as when there has been the including the change in the nuclei of the atom. However, the reaction has been known as the chemical reaction when the change has been processed in the electrons with the rearrangement.

The nuclear reactions have made up of a more amount of energy to be liberated, while the amount of energy included in the chemical reaction has been smaller.

Thus, the chemical reaction has been the low energy reaction including electrons rearrangement, while nuclear reactions have been the high energy reactions with change in nuclei.

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Answer:

52.8 g of O2.

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

4Al + 3O2 —> 2Al2O3

From the balanced equation above,

4 moles of Al reacted with 3 moles of O2 to produce 2 moles of Al2O3

Next, we shall determine the number of mole of O2 needed to react with 2.2 moles of Al. This can be obtained as follow:

From the balanced equation above,

4 moles of Al reacted with 3 moles of O2.

Therefore, 2.2 moles of Al will react with = (2.2 × 3)/4 = 1.65 moles of O2.

Thus, 1.65 moles of O2 is needed for the reaction.

Finally, we shall determine the mass of O2 needed as shown below:

Mole of O2 = 1.65 moles

Molar mass of O2 = 2 × 16= 32 g/mol

Mass of O2 =?

Mole = mass/Molar mass

1.65 = mass of O2 /32

Cross multiply

Mass of O2 = 1.65 × 32

Mass of O2 = 52.8 g

Therefore, 52.8 g of O2 is needed for the reaction.

The visible light with a wavelength of 4.7x10^-7 meters will have a frequency of 0.67 × 10¹⁵ Hz.

The term wavelength is defined as the distance between two successive crest and two successive trough. Wave length is represented by the symbol "λ" (lambda). The formula of wavelength is given by equation as follows:

λ = ν × f

So, the distance between either one crest or trough of one wave and the next wave is known as wavelength.

Wavelength relates to frequency as follows:

λ = ν × f

Where,

λ = Wavelength of light

ν = speed of light

f = frequency of light

We have

λ = 4.7x10^-7 meters

F = ?

ν = 3 × 10⁸ m/s

By substituting this values in given equation we get,

λ = ν × f

f = 3 × 10⁸ / 4.7x10^-7

f = 0.67 × 10¹⁵ Hz

Thus, visible light with a wavelength of 4.7x10^-7 meters will have a frequency of 0.67 × 10¹⁵ Hz.

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