Fatty acids are a component of:

Explanation:

The definition of a god is an image, person or thing that is worshiped, honored or believed to be all-powerful or the creator and ruler of the universe. An example of a god is Ganesha, a Hindu diety.

Answer:

Explanation:

It can be done. Normally the boiling point of water is 100°C. It will boil at temperature greater than 100°C more quickly. Water can be boiled at 95°C but for that the atmospheric pressure of the water should be decreased which will decrease the boiling point of water.

To boil water at 95°C, decrease the atmospheric pressure.

At 105°C, the water will be boiling quickly than normal at 100°C.

The best way is add alcohol .

The common way is that decrease the atmospheric pressure .

This will work as per Boyles law ,and boiling point can be decreased.

but it has few restrictions

Hence there is a spare way

General alcohols like ethanol,butanol can decrease the boiling point of water

0.216 moles of gas can the container hold if a sealed container can hold 0.325 L of gas at 1.00 atm and 293 K.

The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).

PV=nRT, where n is the moles and R is the gas constant. Then divide the given mass by the number of moles to get molar mass.

Given data:

R = gas constant = 0.08206 L.atm / mol K  

T = temperature, Kelvin  

V=5 L

P = 1.05 atm

T = 296 K

Putting value in the given equation:

[tex]\frac{PV}{RT}=n[/tex]

[tex]n= \frac{1.05 atm\; X \;5 L}{ 0.08206 L.atm / mol K X 296 K}[/tex]

Moles = 0.216 moles

Hence, 0.216 moles of gas can the container hold if a sealed container can hold 0.325 L of gas at 1.00 atm and 293 K.

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Answer:

0.014

Explanation:

Use the formula PV=nRT; there are calculators for it online as well.

Answer:

yes so for example one

Explanation:

yeah so

Answer:

habitat destruction I think

Explanation:

4. True

5. The amplitude of the ripples decreases as the circumference of the circle increases.

A wave is a disturbance that moves energy from one place to another.

Radio waves, gamma-rays, visible light, and all the other parts of the electromagnetic spectrum are electromagnetic radiation. Electromagnetic radiation can be described in terms of a stream of mass-less particles, called photons, each travelling in a wave-like pattern at the speed of light. Hence, the statement is true.

As the disturbance moves outwards the energy it carries is spread over a larger and larger region called the wavefront. For example, the ripples in the water lie in a circle with an ever-increasing circumference. The amplitude of the ripples decreases as the circumference of the circle increases.

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Answer:

See below

Explanation:

The way to calculate this

  speed of light =  wavelength * frequency

   3 x 10 ^8 m/s   =   wavelength * 2450000000 Hz

       wavelength = .12245 meters

                    = 1.2245 x 10^-1  Meters  

The wavelength of a microwave with a frequency of 2450 mhz is 1.2245 x 10⁻¹ meters.

The wavelength is the time period or spatial period between the periodic wave and the distance between two waves. A microwave is a form of electromagnetic radiation.

The frequency of a microwave, f = 2450 MHz

We need to find the wavelength and the period of the microwaves

c = f λ

c = speed of light = 3 x 10 m/sec. 8 c = λf where λ = wavelength, f = frequency. Length

The relation between the wavelength and frequency is given by

The speed of light =  wavelength x frequency

3 x 10⁸ m/s   =   wavelength x 24500 Hz

Wavelength = .12245 meters

1.2245 x 10⁻¹  Meters  

Therefore, the wavelength of a microwave with a frequency of 2450 MHz is 1.2245 x 10⁻¹ meters.

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5 moles of MnO form from 5.0 mol Mn. Details about stoichiometry can be found below.

The number of moles of a substance can be calculated stoichiometrically as follows:

According to this question, the following chemical equation is given as follows:

2Mn + O₂ → 2MnO

2 moles of Mn forms 2 moles of MnO

Hence, 5 moles of Mn will form 5 × 2/2 = 5 moles of MnO.

Therefore, 5 moles of MnO form from 5.0 mol Mn.

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Answer: 10.0

Explanation: i took the test

The relation between the speed of impact and the dropping height is

[tex]\rm h =\dfrac{1}{2g}v^2[/tex]

It is defined as the speed of an object when it falls from a height  and makes an impact with the ground or any other object.

As the object is falling from the height , its velocity will be continuously changing

Assuming it has no initial velocity , u = 0

let the final velocity is  [tex]\rm v_f[/tex] = [tex]\rm \sqrt {2gh}[/tex]

the potential energy at the height  h as  mgh

the kinetic energy when it reaches the bottom as  [tex]\rm \dfrac{1}{2}mv^2[/tex]

As the energy is always conserved

 [tex]\rm mgh = \dfrac{1}{2}mv^2[/tex]

[tex]\rm h =\dfrac{1}{2g}v^2[/tex]

This is the relation between the speed of impact and the dropping height.

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The molarity of the sodium ion in the solution is 0.450 M.

The molarity of the sodium ion in a solution can be determined by the dissociation of the given solution Na2SO4(sodium sulfate).

The dissociation of Na2SO4 is computed as follows:

i.e.

[tex]\mathbf{Na_2SO_4 \to 2Na^{+} + SO_4^{2-}}[/tex]

The molarity for sodium-ion [Na+] is:

= 2 × 0.225 M

= 0.450 M

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Answer:

Explanation:

Using Intersecting Chords Theorem,

AB × CB = BE × BD

0.5 moles of ethanoic acid are required to produce 0.5 mol of the ester , Option B is the right answer.

The reaction in which a carboxylic acid combine with an alcohol to form ester and water is called esterification reaction.

It is given in the question that

Ethanoic acid reacts with ethanol to form an ester and water

C₂H₅OH  +  CH₃​COOH  →   CH₃COOH  +  H₂O

The moles of ethanoic acid required to produce 0.5 mole of ester.

In the following reaction it can be seen that the mole fraction of ethanoic acid to ester is 1: 1

Therefore 0.5 mole of ethanoic acid will be required to produce 0.5 mol of ester.

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The 3 common gases that give off reactions are Hydrogen sulfide, Carbon monoxide, Nitrogen oxides.

Off reactions are defined as chemical reactions that occurs when something burns or during combustion of materials which gives off energy.

Some gases that give off reaction are:

Note that these gases are mostly poisonous.

Therefore, the 3 common gases that give off reactions are Hydrogen sulfide, Carbon monoxide, Nitrogen oxides.

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Answer:

A.

Explanation:

Well, Nicola Tesla was from Croatia.

Albert Einstein was from Germany.

Thomas Edison was from the U.S.

So I think all over.

When the potato is put into the distilled water, it will absorb the water. The water is trying to dilute the salt inside the potato.

What is the meaning of concentrated?

The concentration of a solution is a measure of the amount of solute that has been dissolved in a given amount of solvent or solution.

When the potato is put into the distilled water, it will absorb the water. The water is trying to dilute the salt inside the potato.

Since potatoes already contain sugar, less water will diffuse out of the potato placed in sugar water. The slice placed in water will be rigid since it will absorb water.

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The number of moles of aluminum powder needed to produce 203.7 grams of manganese is 5 moles.

Heat, Mn, and Al2O3 are produced when aluminum powder and manganese dioxide are heated.

[tex]3MnO_{2} + 4Al - > 3Mn + 2Al_{2} O_{3} + Heat[/tex]

The balanced chemical equation in this situation indicates that there are 3 moles of manganese and 4 moles of aluminum involved in the reaction, which results in a 3:4 mole ratio.

You may make use of this mole ratio by calculating how many moles of aluminum are required to react with the 203.7g of Manganese. So,

Firstly, the mass of Aluminium has to be taken out

Let the mass be considered x.

So, the number of moles of Aluminium = x/27

Number of moles of Manganese = 203.7/54

Hence, the mass x will be,

[tex]x = 4 *203.7 * 27 / 3 * 54[/tex]

[tex]x = 135.8g[/tex]

Hence,  the number of moles of Aluminium is = 135.8/27 = 5 moles.

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The thickness of the walls of each hollow lump of iron ore is: 0.295cm. This is determined using the knowledge of the Volume of a Hollow Sphere.

The formula for the Volume of a Hollow Sphere is give as:

Volume of a Hollow = 4/3 R³ – 4/3 r³

Step 1 - Find the apparent volume of 8cm diameter sphere including the wall the the hollow inside

V = 4/3 r³

V = (4/3) (8)³

V = (4/3) * (22/7) * 512

V = 2145.52cm³

Step 2 - Determine the mass of Gold required for the sphere to achieve the density of iron ore if the apparent volume is as given in Step 1 above.

Recall that Mass = Density * Volume

Mass = 5.15 *  2145.52

Mass = 11049.45

Step 3 - Find volume of gold based on mass calculated in Step 2 above

Recall that :

Volume = Mass/Density

Thus,

V = 11049.4/19.3

Thus, Volume = 572.51cm³

Step 4 - Find the width of the wall of a hollow sphere for the volume realized in step 3

Recall the initial formula:

Volume of a Hollow = 4/3 R³ – 4/3 r³

Thus, 572.51 = (4/3) (8³ - (8 - t)³)

572.51 = (4/3) *(22.7) *(8³ - (8 - t)³)

572.51 = (88/21) *(8³ - (8 - t)³)

Multiply both sides by 21 and we have

88 (512 - (8 - t)³) = 12,022.71

Simplify further
(8 - t)³ = 357.38

t = 0.9035cm

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Answer:

A.  -10,000

Explanation:

When x approaches zero, the graph tells us that F(x) either becomes extremely large or extremely small.  The best answer is therefore A:  -10,000.  Best, because we aren't given the exact value of x, but clearly the other results require that x be greater than 1 or less than -1, which is far from zero.

Answer:

The point at which the lines intersect represents the triple point.

Answer:

chemical reactions In our daily environment are

1) Cooking food

2) Photosynthesis

3) rusting

4) painting

5) respiration

6) combustion

7) Electrochemistry (including chemical batteries)

8)Digestion

9)Soap and detergent reactions

10)Acid-base reactions

11) fermentation

12) oxidation

13 ) burning of paper

14) riping of fruits

15) frying egg

16) souring of milk

17) baking

18) heating sugar

19) burning wood

20) rising bread

Answer:

A

Explanation:

The answer to this question is A. Both ripening and spoiling are chemical reactions.

Spoiling is a chemical reaction because spoiled food has bad smell and taste and it changes colour too.

Ripening of fruits is a chemical change. For example the colour could change as well as the texture.

Answer:

option a) chemical reaction, chemical reaction.

Explanation:

Changes in which new substances with different properties are formed are called chemical changes. Cooking of food, burning of substances are chemical changes as entirely new substances are formed. Burning of a candle wax releases carbon dioxide and water vapour (new substances). in here ripening and spoiling is a change that cannot be reversed which makes it a chemical change.

The volume of the solution in mL needed to deliver 0.078 moles of glucose to the patient is 250mL.

The volume of a solution can be calculated by using the following formula:

Molarity = n/V

Where;

According to this question, an intravenous solution is noted as having a concentration of glucose equal to 0.312 M. The volume that will be needed is as follows:

volume = 0.078 moles ÷ 0.312M

volume = 0.25L = 250mL

Therefore, the volume of the solution in mL needed to deliver 0.078 moles of glucose to the patient is 250mL.

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A is the initial reaction when a chlorine bond splits into two chlorine radicals.

In chemistry, a radical is an atom, molecule, or ion that has an unpaired valence electron.

The question is based on Radical Chain Reaction. And these reactions have three different phases: Initiation, Propagation and Termination.

Reaction A- Initiation

Reaction B- Termination

Reaction C- propagation

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3 moles of NaOH reacts with 1 mole of phosphoric acid.

The moles ratio of the reaction between NaOH and Phosphoric acid is given by the equation of the reaction below:

[tex]3\:NaOH + H_{3}PO_{4} \rightarrow Na_{3}PO_{4} + 3\:H_{2}O \\ [/tex]

Based on the equation of the reaction, 3 moles of NaOH reacts with 1 mole of phosphoric acid.

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Answer:

B. Mixing a few teaspoons of salt into the water

Explanation:

Pure water doesn't contain any ions, therefore it cannot conduct electricity. Adding salt (NaCl) to the water causes the salt to ionize into Na⁺ and Cl⁻ ions, and the movement of the ions completes the circuit, causing the bulb to glow.

Answer: it would be a 1 to 1 ratio

Explanation: originally it would be 2 to 2 but you have to reduce