as a nail approaches the south pole of a magnet, what happens to its magnetic domains?

A. The north poles of the domains point toward the magnet.
B. The south poles of the domains point toward the magnet.
C. The domains spin, but end up in no particular pattern.
D. The domain remain unaffected by the magnet.

Answers

Answer 1

The domain remain unaffected by the magnet is the right answer.

What happens to its magnetic domains?

Both the north poles and the south poles of the domains point toward the magnet so the domains is unaffected by the magnet as the nail approaches to the south pole of a magnet.

So we can conclude that the domain remain unaffected by the magnet is the right answer.

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Answer 2

Answer. The domain remain unaffected by the magnet


Related Questions

Initial Activity- What mass of solute will dissolve in 100g of water at the following temperatures?
• KNO3 at 70°C =
• NaCl at 100°C=
• NH4Cl at 90°C=

Answers

The mass of solute will dissolve in 100g of water at the following temperatures will be  153 gms, 40 gms, 70gms simultaneously.

How dissolution of solute is affected by temperature ?

On increasing temperature the amount of solute for dissolution decreases.

It is independent of the nature of solute.

Hence,

KNO₃ at 70degree = 153 gmsNaCl at 100 degree = 40 gmsNH₄Cl at 90 degree = 70gms

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0.467 mol NaCl are needed to
create a 0.875 m solution using 534
g of water. How many grams of
sodium chloride are required to
make the solution?

Answers

Answer:

27.4 gram is the solution it's simple dude...

Explanation:

don't be afraid of huge question they confuse you you need not to be confused

now see simple solution

molality is denoted by m

so

m= moles of solute / mass of solvent in kg.

i hope your know the meaning of solute and solvent....

so moles are given 0.467

and molar mass is given 58.44

so just take out the gram means

by applying formula

58.44×0.467

it will give 27.4 grams simple.....

Kajal is a compound or a mixture?​

Answers

It is a mixture…………….

Why do lunar and solar eclipses not happen every month?

Answers

A lunar eclipse occurs when The moon’s orbit is tilted five degrees from earth’s orbit around the sun .

The pH of a solution is measured as 8.3. What is the hydrogen ion
concentration of the solution?
OA. 2.0 x 108 M
OB. 8.0 x 10-³ M
OC. 8.3 M
OD. 5.0 x 109 M

Answers

Answer:

D.) 5.0 x 10⁻⁹ M

Explanation:

The formula displaying the relationship between pH and hydrogen ion concentration is:

pH = -log[H⁺]

In this formula "[H⁺]" represents the concentration of hydrogen ions (given in molarity (M)). Therefore, to find this value, you need to take the inverse of the log. The manipulation looks like this:

pH = -log[H⁺]  ------------>  [H⁺] = 10^-pH

Note that the carrot (^) represents an exponent. Now, you can plug your pH value into the equation to find the molarity.

[H⁺] = 10^-pH

[H⁺] = 10^-8.3

[H⁺] = 5.0 x 10⁻⁹ M

A 2. 75-l container filled with co2 gas at 25°c and 225 kpa pressure springs a leak. When the container is re-sealed, the pressure is 185 kpa and the temperature is 10°c. How many moles of gas were lost?.

Answers

The number of moles of gas lost is  0.0213 mol. It can be solved with the help of Ideal gas law.

What is Ideal law ?

According to this law, "the volume of a given amount of gas is directly proportional to the number on moles of gas, directly proportional to the temperature and inversely proportional to the pressure. i.e.

PV = nRT.

Where,

p = pressure V = volume (1.75 L = 1.75 x 10⁻³ m³)T =  absolute temperature n = number of molesR =  gas constant, 8.314 J*(mol-K)

Therefore, the number of moles is

n = PV / RT

State 1 :

T₁ = (25⁰ C = 25+273 = 298 K)p₁ = 225 kPa = 225 x 10³ N/m²

State 2 :

T₂ = 10 C = 283 Kp₂ = 185 kPa = 185 x 10³ N/m²

The loss in moles of gas from state 1 to state 2 is

Δn = V/R (P₁/T₁ - P₂/T₂ )

V/R = (1.75 x 10⁻³ m³)/(8.314 (N-m)/(mol-K) = 2.1049 x 10⁻⁴ (mol-m²-K)/N

p₁/T₁ = (225 x 10³)/298 = 755.0336 N/(m²-K)

p₂/T₂ = (185 x 10³)/283 = 653.7102 N/(m²-K)

Therefore,

Δn = (2.1049 x 10⁻⁴ (mol-m²-K)/N)*(755.0336 - 653.7102 N/(m²-K))

    = 0.0213 mol

Hence, The number of moles of gas lost is 0.0213 mol.

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How many molecules are contained in 1.55 moles of methane, CH 4 ?

Answers

Avogadro's law states that in one mole of a substance, there are [tex]6.022 \times 10^{23}[/tex] molecules.

This means that in 1.55 moles, there are [tex]1.55(6.022 \times 10^{23})=\boxed{9.33 \times 10^{23} \text{( to 3 sf)}}[/tex]

What type of reaction is: ammonium nitrate -> dinitrogen monoxide + water?

A. Double Replacement
B. Combustion
C. Synthesis
D. Decomposition

Answers

Answer: Decomposition

Explanation:

Decomposition reactions involve a substance breaking down into simpler substances.

why do crystals form during crystallisation

Answers

Answer: Crystallization is a technique which chemists use to purify solid compounds. Crystals often form in nature when liquids cool and start to harden. Certain molecules in the liquid gather together as they attempt to become stable. They do this in a uniform and repeating pattern that forms the crystal. The process is based on the principles of solubility: compounds (solutes) tend to be more soluble in hot liquids (solvents) than they are in cold liquids. If a saturated hot solution is allowed to cool, the solute is no longer soluble in the solvent and forms crystals of pure compound. Impurities are excluded from the growing crystals and the pure solid crystals can be separated from the dissolved impurities by filtration.
For an example the salt we get from seawater can have many impurities in it. Hence, the process of crystallization is in use to remove these impurities.

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(„• ֊ •„)♡
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   hope it helped
┗━━━━━━━┛

As the solution cools, the solvent can no longer hold all of the solute molecules, and they begin to leave the solution and form solid crystals.

During this cooling, each solute molecule in turn approaches a growing crystal and rests on the crystal surface.

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>Rijja<

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What is the answer to “An element is:”

Answers

Answer:

Option A

A pure chemical substance consisting of one type of atom.

Explanation: An element is a pure substance and is made of only one type of atom; it cannot be broken down into a simpler substance.

An element is defined as  a pure chemical substance consisting of one type of atom.

What is an element?

It is defined as a substance which cannot be broken down further into any other substance. Each element is made up of its own type of atom. Due to this reason all elements are different from one another.

Elements can be classified as metals and non-metals. Metals are shiny and conduct electricity and are all solids at room temperature except mercury. Non-metals do not conduct electricity and are mostly gases at room temperature except carbon and sulfur.

The number of protons in the nucleus is the defining property of an element and is related to the atomic number.All atoms with same atomic number are atoms of same element.There are 118 elements known to exist either naturally or artificially.

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Based on the equation, how many grams of Br2 are required to react completely with 42.3 grams of AlCl3?

2AlCl3 + 3Br2 → 2AlBr3 + 3Cl2

66.5 grams
71.2 grams
76.1 grams
80.2 grams

Answers

Answer:

C.) 76.1 grams

Explanation:

To find the mass of bromine, you need to (1) convert grams AlCl₃ to moles AlCl₃ (via molar mass), then (2) convert moles AlCl₃ to moles Br₂ (via mole-to-mole ratio from reaction coefficients), and then (3) convert moles Br₂ to grams Br₂ (via molar mass). It is important to arrange your ratios/conversions in a way that allows for the cancellation of units (the desired unit should be in the numerator).

Molar Mass (AlCl₃): 26.982 g/mol + 3(35.453 g/mol)

Molar Mass (AlCl): 133.332 g/mol

2 AlCl₃ + 3 Br₂ --> 2 AlBr₃ + 3 Cl₂

Molar Mass (Br₂): 2(79.904 g/mol)

Molar Mass (Br): 159.808 g/mol

42.3 g AlCl₃          1 mole               3 moles Br₂           159.808 g
------------------  x  -----------------  x  ----------------------  x  -------------------  =
                            133.332 g         2 moles AlCl₃            1 mole

=  76.0 g Br

*Our answers are slightly different most likely because we used slightly different molar masses*

Find the total surface area of the rectangular prism in the figure. A) 174 cm^ 2 B) 522c * m ^ 2; 348c * m ^ 2 D) 432c * m ^ 2

Answers

[tex]\huge\textbf{Hey there!}[/tex]

[tex]\huge\textbf{Better understanding of the lesson}[/tex]

[tex]\text{Formula for finding the area of rectangular prism: \boxed{\mathsf{2(wl + hl + hw) = a}}}\\\text{Whereas, \bf l = \underline{length}, w = \underline{width}, h = \underline{height.}, and a = \underline{area}}[/tex]

[tex]\huge\textbf{Now, let's solve for the given equation}[/tex]

[tex]\mathsf{a = 2\times(8\times6 + 9\times6 + 9\times8)}[/tex]

[tex]\mathsf{a = 2\times(48 + 54 + 72)}[/tex]

[tex]\mathsf{a = 2(48) + 2(54) + 2(72)}[/tex]

[tex]\mathsf{a = 96 + 108 + 144}[/tex]

[tex]\mathsf{a = 204 + 144}[/tex]

[tex]\mathsf{a = 348}[/tex]

[tex]\huge\textbf{Therefore, your answer is: \boxed{\mathsf{348\ cm^2}}}\huge\checkmark[/tex]

[tex]\huge\textbf{Good luck on your assignment \& enjoy}\\\huge\textbf{your day!}[/tex]

~[tex]\frak{Amphitrite1040:)}[/tex]


what must happen for carbon dioxide to sublimate at a given pressure?
a. energy must transfer from the carbon dioxide to its surroundings.
b. the average kinetic energy of the carbon dioxide molecules must
decrease.
o c. the orderliness of the carbon dioxide molecules must increase.
d. energy must transfer to the carbon dioxide from its surroundings.

Answers

Answer: d. energy must transfer to the carbon dioxide from its surroundings.

Explanation:

Sublimation is the phase change from a solid to a gas, meaning that the particles will have more kinetic energy (since particles in the solid phase are more ordered than particles in the gas phase, and thus particles in the gas phase have more energy). Thus, for sublimation to occur, the particles need more energy, which must come from its surroundings.

state three differences between temporary and permanent changes ​

Answers

Answer:

temporary changes are the changes which are there only for a short period if time generally temporary changes are reversible permanent changes are the changes which remain to for longer time and are not reversible

Explanation:

hope it is helpful for

A container with a volume 2.0 L is filled with a gas at a pressure of 1.5 atm. By decreasing the volume of the container to 1.0 L, what is the resulting pressure? Type in your answer using the correct number of significant figures. Remember to use the formula for Boyle's law: P1V1 = P2V2

Answers

After reducing the starting volume, the gas has a resultant pressure of 3 atm.

Describe Boyle's Law.

Boyle's Law states that a gas's pressure is inversely proportionate to its volume at constant temperature:

P ∝ 1/V

The necessary equation for the posed question is:

P1V1 = P2V2, and

Initial pressure is P1 and is 1.5 atm.

Initial volume = 2 L for V1.

final pressure = P2 =?

Final volume = 1 L, or V2.

Using the aforementioned equation and all of these data, we obtain

P₂ = [tex]\frac{(1.5x2)}{1}[/tex]= 3atm

Therefore, 3 atm of pressure is needed.

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The theoretical yield of NaBr from
2.36 mol FeBr3 is 7.08 mol NaBr.
What is the percent yield if 6.14 mol
NaBr were collected?
[?]%

Answers

the percent yield of the reaction is 100%.

The percent yield is calculated as the experimental yield divided by the theoretical yield x 100%:

% yield = actual yield / theoretical yield * 100%

% yield of a reaction in this case Rate

In this case, the molar mass of NaBr is 102.9 g / mol, as you know:

444 actual yield = 7.08 mol x 102.9 g / mol = 728.532 g

theoretical yield = 7.08 mol x 102.9 g / mol = 728.532 g

, Replaced by the definition of percent yield:

percent yield = 728.532 grams / 728.532 grams * 100%

percent yield = 100%

Finally, the percent yield of the reaction is 100%.

FeBr3 is iron bromide. Also known as iron bromide. Iron bromide is an ionic compound in which iron is in a +3 oxidation state.

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Answer: 87%

Explanation:

2. four bulbs connoted in parallel controlled by a single pole switch using
alternating current

Answers

Answer

I think there should be two poles, a north pole and a south pole. so this statement is wrong

Most alkaline permanent waves have a pH between:

Answers

The alkaline permanent waves have a pH between 9.0 to 9.6.

What are Alkaline permanent waves?

Alkaline permanent waves are chemical that is apply to the hair. The alkaline perm makes the hair curly or wavy.

The major ingredient is the ammonium thioglycolate and ammonium hydroxide.

The alkaline permanent wave is alkaline in nature and the pH scale for alkaline substances are higher.

pH of 7 depicts neutrality while pH of 7 and above depicts alkalinity.

Therefore, alkaline permanent waves have a pH between 9.0 to 9.6.

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What's the answer to this question? pls find it asap now

Answers

Answer:
c

explanation

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.

Give some examples of what are sand good for explaining is involved!

Answers

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.

54.0 g Al creates up to 102 g Al2O3 and 64.0 g O2 creates up to 136 g Al2O3.

What is the theoretical yield (amount of Al2O3 formed) for this reaction?

[?] g Al₂O3

Answers

The theoretical yield of the product is 204 g of the product .

What is the theoretical yield?

The theoretical yield is the yield of the reaction as obtained from the stoichiometry of the reaction.  

The reaction equation is given as 4Al + 3O2 → 2Al2O3

Number of moles of Al = 54.0 g/27 g/mol = 2 moles

Number of moles of oxygen = 64.0 g/32 g/mol = 2 moles of O2

Hence,

If 4 moles of Al yields 2 moles of Al2O3 then 204 g of the product is obtained.

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Answer: 102

Explanation:

Cyclohexene oxidation with potassium permanganate gives three different products, depending on conditions. what product (one) could not be obtained

Answers

Answer:

will you help us with that one please

Short Response
Directions: Base your answers to questions 6 and 7 on the information below and your knowledge of chemistry.
Ammonia, NH3(g), can be used as a substitute for fossil fuels in some internal combustion
engines. The reaction between ammonia and oxygen in an engine is represented by
the unbalanced equation below.
NH3(g) + O₂(g) → N₂(g) + H₂O(g) + energy
6. Balance the equation in the space below for the reaction of ammonia and oxygen, using the
smallest whole-number coefficients.
7. Show a numerical setup for calculating the mass, in grams, of a 4.2-mole sample of 0₂. Use 32
g/mol as the gram-formula mass of 0₂.

Answers

Answer:

6.)

7.)  134.4 g O₂

Explanation:

The unbalanced equation:

NH₃ (g) + O₂ (g) ---> N₂ (g) + H₂O (g) + energy

Reactants: 1 nitrogen, 3 hydrogen, 2 oxygen

Products: 2 nitrogen, 2 hydrogen, 1 oxygen

The balanced equation:

4 NH₃ (g) + 3 O₂ (g) ---> 2 N₂ (g) + 6 H₂O (g) + energy

Reactants: 4 nitrogen, 12 hydrogen, 6 oxygen

Products: 4 nitrogen, 12 hydrogen, 6 oxygen

To convert from moles to grams, you need to multiply the starting value (4.2 moles) by the molar mass (32.00 g/mol). The molar mass can serve as a conversion because it technically means there are 32.00 grams O₂ per every 1 mole. It is important to arrange this ratio in a way that allows for the cancellation of units (the desired unit should be in the numerator).

4.2 moles O₂          32.00 g
--------------------  x  ----------------  =  134.4 g O₂
                                1 mole

A 25.0 g sample of metal at
16.0 °C is warmed to 22.1 °C
by 259 ] of energy.
What is the change in temperature
for the metal?
Record your answer to the tenths place.

Answers

The change in temperature of the metal is 6.1°C. Details about change in temperature can be found below.

How to calculate change in temperature?

The change in temperature of a substance can be calculated by subtracting the initial temperature of the substance from the final temperature.

According to this question, a 25.0 g sample of metal at 16.0 °C is warmed to 22.1 °C by 259J of energy.

This means that the change in temperature of the metal can be calculated as:

∆T = 22.1°C - 16°C

∆T = 6.1°C

Therefore, the change in temperature of the metal is 6.1°C.

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Answer: 6.1°C.

Explanation: just for some extra verification, the answer is indeed 6.1°C. Hope this helps and have a great day!

The 9.6 g object displaced
3.2 mL of water.
What is its density in g/mL?
density=[?] g/mL

Answers

Answer: 3

Explanation:

Density is mass/volume divide the mass 9.6 by the volume of 3.2

[tex]\frac{9.6}{3.2} =3[/tex]

The density of the object displaced in water is equal to 3 g/ml.

What is the density?

The density of a substance can be described as the substance's mass per unit of its volume. The symbol is generally used to represent density ρ and the letter D can be used.

The mathematical formula of the density of a material can be represented as shown below:

Density = Mass/volume

ρ = m/V

The density of a material varies with pressure as well as temperature. There is a small variation in the density of the solids and liquids but much larger for gases. Increasing the pressure of the substance decreases the volume and thus increases its density.

As the object displaced water of volume of 3.2 ml.  

Therefore, the volume of the object, V = 3.2 ml

The mass of the object, m = 9.6 g

The density of the object placed in water can be calculated as:

Density of object = 9.6/3.2 = 3 g/ml

Therefore, the density of the object is 3 g/ml.

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A 35. 0-l steel tank at 20. 0?c contains acetylene gas, c2h2, at a pressure of 1. 39 atm. Assuming ideal behavior, how many grams of acetylene are in the tank?.

Answers

52.66 grams of acetylene are in the tank.

PV=nRT is the formula for ideal gases, where P is the pressure and R is the constant and T is the temperature (P is 1.39 atm in this case)

Volume = 35.0 L

Gas constant = 0.08206 L.atm/K.mole

Temperature = 20.0 °C  = 293 °C

We also know that we can apply the formula ;

Number of mole(n) = [tex]\frac{MmPV}{RT}[/tex]

m = ( 26.04 × 1.39 × 35 )/ (0.08206 × 293.15)

m = 52.66 g

Thus, the mass is 52.66 grams.

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Fluorite is..



a. harder than apatite but softer than calcite

b. harder than gypsum but softer than apatite

c. harder than calcite but softer than feldspar

d. harder than feldspar but softer than apatite

Answers

Fluorite is harder than gypsum but softer than apatite. Thus, the correct option is B.

What is the hardness of any element?

The hardness of any element may be defined as the capability of a material to oppose the process of deformation and remains in actual shape precisely.  

According to the table of hardness scales by Mohs, the increasing order of given hardness of given elements is as follows:

Gypsum < Fluorite < Apatite.

Therefore, Fluorite is harder than gypsum but softer than apatite. Thus, the correct option is B.

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Rafa then places some zinc in a solution of lead nitrate. A displacement
reaction takes place. Write the word equation for this reaction.

Answers

Answer:

Explanation:

A solution of zinc metal and lead nitrate react to form zinc nitrate and lead metal.

Zn(s) + Pb(NO3)2 = Zn(NO3)2 + Pb

5.00g of an unknown metal we know has a +2 charge (M^+2) is reacted with an excess of hydrochloric acid (HCl(aq)). The product is dried and weighs 11.35 grams. What is the formula and name of the product formed?

Answers

the formula: MCl₂

name of the product formed: chloride salt + hydrogen

the screenshts below

Answers

Answer:

yes so for example one

Explanation:

yeah so

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