Choose all the answers that apply.
Electricity
can be created by moving magnets through a coll of copper wire.
can be used to create a magnetic field.
is caused by moving protons.
flows from negative to positive.
is created by the movement of electrons.

Answers

Answer 1

Answer:

can be created by moving magnets through a coll of copper wire.

can be used to create a magnetic field.

flows from negative to positive.

is created by the movement of electrons.

Explanation:


Related Questions

a simple definition of cells

Answers

Answer:

Cells are the basic structural and functional unit of life.

Which element is in the noble gas family? A. Iodine (I)
B. Nitrogen (N)
C. Radon (Rn)
D. Oxygen (O)​

Answers

Answer:

Radon

Explanation:

:

Answer:

c. Radon (Rn)

Explanation:

hope this can help

What is the male sex cell that results from meiosis?

Answers

Answer: B) Sperm

Explanation:  For lazy gang wya Lol

Which best explains the statement "It has no definite volume”?

Its atoms can widely spread out.
Its atoms stay closely packed.
It’s highly viscous.
It’s highly crystalline.

Answers

The correctanswer is D hope this helps

Answer:

D

Explanation:

11. Apply Concepts You weigh a spoonful of baking soda and 10 mL of vinegar. Then you mix them together. You see that there is quite a bit of fizzing. You weigh the products after the reaction and find there is mass missing. Does the loss of mass disprove the law of conservation of mass? If not, how could you prove it? Please help I have to turn this in before midnight on canvas before its locked.​

Answers

Answer:

The loss of mass does not disprove the law of conservation of mass because the evaporated fizz goes into the air. Same with lakes when there is a big body of water, but it slowly starts to look like a smaller body of water. This is because the water evaporates, but the mass is not destroyed it is just being coverted into gas.

Explanation:

nobody answers anymore but it's worth a shot, i will give branliest tho.

1. when Sodium reacts violently with water is it a physical or chemical change?

2. Ethanol is clear, is that a physical or chemical change?

Answers

chemical for both i think, i didn’t understand the second question.

Write the Electron Configuration of an atom with 10 electrons:

Answers

Explanation:

Neon is the tenth element with a total of 10 electrons. ... Therefore the Ne electron configuration will be 1s22s22p6. Because the second energy level (2s22p6) has eight electrons Neon has an octet and has a full outer shell. It is therefore a Nobel Gas.

Calculate the number of sulfate ions in 41.65 g of aluminum sulfate.

Answers

The number of sulfate ions : 2.2 x 10²³

Further explanation

Reaction

Al₂(SO₄)₃⇒2Al³⁺+3SO₄²⁻

mol Al₂(SO₄)₃(MW=342,15 g/mol) :

[tex]\tt \dfrac{41.65}{342.15}=0.122[/tex]

mol of sulfate ions (SO₄²⁻)

[tex]\tt 3\times 0.122=0.366[/tex]

1 mol = 6.02 x 10²³ particles (ions, molecules, atoms), so for 0.366 mol :

[tex]\tt 0.366\times 6.02\times 10^{23}=2.20\times 10^{23}[/tex]


Non-malleable, less dense, insulators and brittle describe what physical property group?

metals
metalloids
non-metals
transition metals

Answers

metalloids is the answer

Answer: non-metals

Explanation:

When you look at the absorption spectra of cranberry juice and apple juice, what colors/parts of the visible spectrum are absorbed?


Discuss how the colors/parts that are not absorbed contribute to the colors of cranberry juice and apple juice.

Answers

Looking at the absorption Spectra of cranberry juice and apple juice the color and part of the visible spectrum that are absorbed as well as how the colors that are not absorbed contributed to the the colors of the cranberry juice and apple juice are;

When the light actually hits on a surface,it is only a part of it that is reflected to the eyes whereas the rest of the spectrum is then absorbed by the object.

However,if the red wavelength is reflected,you will see the red color,but if all the spectrums are absorbed,you will see the black color,if then all the spectrums is reflected,you will see the white color.

When the light hits the surface, just a part will be reflected in the eyes of the person.

From the complete information, when an individual looks at the absorption spectra of cranberry juice and apple juice, just a part will be seen.

When the light hits the surface, there'll be a reflection in the eyes of the person as just a part will be reflected. The rest of the spectrum will be absorbed by the object.

Also, if the red wavelength is reflected, then one will see the red color. When all the spectrum is absorbed, one will see the black color. Lastly, when all the spectrum is reflected, one will see the white color.

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Which of the following about sodium atoms
(Na) is NOT correct?

1. All neutral sodium atoms have 11 protons
and 11 electrons.

2. All sodium atoms have the atomic number
11.

3. All sodium atoms have the same number
of protons.

4. All sodium atoms have 11 neutrons.

5. All atoms with atomic number 11 are
sodium atoms.

Answers

Answer:

1 is not correct ......

All neutral sodium atoms have 11 protons and 11 electrons is about sodium atoms (Na) is not correct. Therefore, option 1 is correct.

Which are neutral atoms?

When an atom has the same number of electrons and protons, it has the same number of negative (electrons) and positive (protons) electric charges (the protons).

As a result, the total electric charge of the atom is zero, and it is said to be neutral. As a result, all elements in the periodic table have neutral atoms.

The sodium atom contains 11 electrons. As sodium atom loses one electron to form sodium ion, sodium ion has ten electrons. Only sodium atoms have a strong reaction with water, whereas sodium ions do not.

Thus, All neutral sodium atoms have 11 protons and 11 electrons is about sodium atoms (Na) is not correct, option 1 is correct.

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The gene for brown eyes is dominant. What is needed in order for a person to have brown eyes?

Answers

The brown version of gene 1 is dominant over the blue one. What dominant means is if at least 1 of your two copies is brown, then you will have brown eyes.

Select the correct answer

Because of its size, adult blue whale has few natural predators. It’s diet consists exclusively of tiny creatures called krill. These whales can dive to great depths but must come to the surface regularly for air. From this information, what is one limiting factor for population of blue whales?

A. Availability of krill
B. Available sunlight for photosynthesis
C. Oxygen in water
D. Salinity of water
E. Visibility in water

Answers

Answer:

A

Explanation:

The correct answer would be the availability of krill.

A limiting factor is a substance or condition whose presence/absence can prevent a population from reaching its potential. Limiting factors can be biotic (living) or abiotic (non-living). Biotic factor includes the presence of competitive organisms in a population while abiotic factor includes food.

In the case of the blue whale, its diet is krill. Hence, its survival is largely dependent on the availability of krill. Otherwise, the blue whale might starve. Therefore, the availability of krill is a limiting factor for the population of whales.

The correct option is A.

Which of the following statements is true concerning what happens when cold milk is poured into hot coffee?
The cold milk transfers its cold to the coffee, cooling the coffee down.
The cold milk transfers its heat to the coffee, warming the coffee up.
The warm coffee absorbs the cold from the milk, cooling the coffee down.
The warm coffee transfers its heat to the milk, cooling the coffee down.

Answers

Answer:

The cold milk transfers its cold to the coffee, cooling the coffee down.

Hope This Helps!

Answer:

The cold milk transfers its cold to the coffee, cooling the coffee down.

Explanation:

How many (s) sublevels are present in calcium atom (Ca)?

Answers

Answer:

nineteen atoms

Explanation:

nineteen atoms

Throughout the reflection, make sure you have a copy of the Student Guide and your data table. Choose the terms that complete the statements.



In this lab, you determined the combination of humidity, air temperature, and air pressure that create weather patterns.
is the amount of water vapor in the air compared to the amount of water vapor the air can actually hold.
is a measure of how hot or cold the air is, and
is the force exerted per unit area by the particles in the air. These
conditions influence weather patterns.

Answers

Answer:

A. relative humidity B. air temperature C. air pressure D. atmospheric

Explanation:

The sentences can be completed as follows; Humidity is the amount of water vapor in the air compared to the amount of water vapor the air can actually hold. Air temperature is a measure of how hot or cold the air is,  Air pressure is the force exerted per unit area by the particles in the air. These conditions influence weather patterns.

What is humidity ?

Humidity refers to the amount of water vapor or moisture present in the air. Specifically, it is the measure of the amount of water vapor present in the air compared to the amount of water vapor the air can actually hold at a particular temperature and pressure.

It is often expressed as a percentage, known as relative humidity, which describes the amount of moisture in the air relative to the maximum amount it can hold at a given temperature.

The given sentences can be completed as :

Humidity is the amount of water vapor in the air compared to the amount of water vapor the air can actually hold. Air temperature is a measure of how hot or cold the air is,  Air pressure is the force exerted per unit area by the particles in the air. These conditions influence weather patterns.

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can someone please help me out with this ? very much would appreciate the help!

Answers

Answer:

one is more dense

Explanation:

density = mass/volume

The bottom number on the periodic table is called?

Answers

Answer:

Atomic mass

Explanation:

Atomic mass     ===>Mole weight ....the weight in grams of one mole of the element

30.5 g of sodium metal reacts with chlorine gas to produce sodium chloride. How much (in grams) chlorine gas must react with this amount of sodium

Answers

Answer:

Mass of chlorine = 47.22 g

Explanation:

Given data:

Mass of sodium = 30.5 g

Mass of chlorine= ?

Solution:

Chemical equation:

 2Na + Cl₂      →      2NaCl  

Number of moles of Na:

Number of moles = mass/molar mass

Number of moles = 30.5g/ 23 g/mol

Number of moles = 1.33 mol

Now we will compare the moles of Cl ₂ with Na from balance chemical equation.

                    Na            :              Cl ₂

                     2              :               1

                     1.33          :            1/2×1.33 = 0.665 mol

Mass of chlorine gas:

Mass = number of moles × molar mass

Mass = 0.665 mol × 71 g/mol

Mass = 47.22 g

Pls help I’m stuck on this part

Answers

Answer:

As you begin your trip down the hill you increase your speed resulting in a transformation from potential energy to kinetic energy.

Explanation:

At the top of the mountain, you have potential energy. But as you start moving down the mountain, your speed increases and have a lot of kinetic energy.

0.817 grams of an unknown gas occupies 1.25 L at 27.0 C and a pressure of 765
mm Hg. Is the gas most likely methane (CH 4 ), ethane (C 2 H 6 ), propane or butane?
Show work to support your answer.

Answers

The gas is most likely methane (CH₄)

Further explanation

In general, the gas equation can be written  

[tex]\large{\boxed{\bold{PV=nRT}}}[/tex]

where  

P = pressure, atm  

V = volume, liter  

n = number of moles  

R = gas constant = 0.08205 l.atm / mol K  

T = temperature, Kelvin  

[tex]\tt PV=\dfrac{mass}{M}RT\\\\M=\dfrac{mRT}{PV}=\dfrac{0.817\times 0.082\times 300}{1,00658\times 1.25}=15.97\approx=16[/tex]

So the gas is most likely methane (CH₄ )

Which of the following quantum numbers describes a d-orbital in the fourth energy level?

a. n = 4, l = 0, m = 0              
b. n = 3, l = 1, m = 0
c. n = 3, l = -1, m = 0          
d. n = 4, l = 2, m = 0

Answers

Answer:

d. n = 4, l = 2, m = 0

Explanation:

A d-orbital in the fourth energy level can only be represented by  n = 4, l = 2, m = 0.

n is the principal quantum number(n) which signifies the energy level, here it is 4;

l is the azimuthal quantum number or l which signifies the shape of the subshell, it takes a value of n - 1, 0,1,2 or 3

m is the magnetic quantum number(m) which can be -2, -1, 0, 1 , 2

So, the right and fitting solution is  n = 4, l = 2, m = 0

What is the volume of 902.0 g of C₂H₄ gas at STP

Answers

Answer:

Volume  = 722.1 L

Explanation:

Given data:

Mass of gas = 902.0 g

Temperature = standard = 273.15 K

Pressure = standard = 1 atm

Volume of gas = ?

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

Now we will calculate the number of moles of C₂H₄.

Number of moles = mass/molar mass

Number of moles = 902.0 g/ 28.05 g/mol

Number of moles = 32.2 mol

Volume of gas:

PV = nRT

1 atm ×V = 32.2 mol × 0.0821   atm.L/ mol.K  × 273.15 K

V = 722.1 atm.L/1 atm

V = 722.1 L

How are weathering and erosion the same?

a
Both move sediment from one place to another.

b
Both break down rocks into smaller pieces.

c
Both change Earth's surface.

d
Both leave sediment in new places

Answers

Erosion moves and breaks smaller rocks, while weathering breaks them (the answer B), pls give brainliest.

A cheetah is faster than a cougar, which has greater momentum if the big cats are the same mass

Answers

Answer:

cougar.

explanation:

which is has a greater momentum a cheetah with a mass of about 74 kg and a running speed of up to 31 m/s. the cougar's top running speed ranges between 40 to 50 mph (64 to 80 km/h)

13. How many moles of sodium hydroxide are needed to neutralize 50grams of sulfuric acid?
2NaOH H2SO4 → Na2SO4 + 2H2O

Answers

Answer:

1.02mole

Explanation:

The reaction equation is given as:

     2NaOH  +  H₂SO₄ →  Na₂SO₄  + 2H₂O

Given:

Mass of H₂SO₄  = 50g

Unknown:

Number of moles of NaOH = ?

Solution:

To solve this problem, we first find the number of moles of the acid given;

  Number of moles  = [tex]\frac{mass}{molar mass}[/tex]

Molar mass of H₂SO₄ = 2(1) + 32 + 4(16)  = 98g/mol

Now;

   Number of moles = [tex]\frac{50}{98}[/tex]   = 0.51mole

From the balanced reaction equation:

       1 mole of H₂SO₄ will be neutralized by 2 mole of NaOH

     0.51 mole of H₂SO₄ will be neutralized by 2 x 0.51  = 1.02mole of NaOH

What is the shortest bond type?

Answers

Double I think am sooooo sorry if you get it wrong

How many miles of sodium chloride are produced when 2.9 grams of sodium iodide reacts? __ mol NaCl
2 Nal(s) + Cl2(g) = 2 NaCl(s) + l2(g)
**Report your answer to the correct number of significant digits!

Answers

Answer: I am trying 0.88 if it is correct then I will edit this to say that!

Explanation:

PLS ANSWER FAST THANK YOUU

Answers

Answer:

c

Explanation:

I’m pretty sure it is B. Melted wax is a different phase of matter than solid. States of matter include solid liquid gas and plasma. Solid wax is a solid and melted is a liquid.

What is the value of delta Hrxn for this equation:

NH3(g)+2O2(g)⟶HNO3(g)+H2O(g)

Based on the molar bond enthalpies:
N−H 390
O−O 142
O=O 502
O−H. 464
N−O 201

Answers

Answer:

The ΔHrxn for the above equation = 179 kJ/mol

Explanation:

The reaction bond enthalpies are for the reactant;

3 × N-H = 3 × 390 = 1,170 kJ/mol

2 × O=O = 2 × 502 = 1004 kJ/mol

The reaction bond enthalpies are for the product;

3 × N-O = 3 × 201 = 603 kJ/mol

3 × O-H = 3 × 464 = 1,392 kJ/mol

The ΔHrxn for the above equation is therefore;

ΔHrxn = 1,170 + 1,004 - (603 + 1,392) = 179 kJ/mol

The value of [tex]\rm \Delta H_r_x_n[/tex] of the reaction can be 179 kJ/mol.

[tex]\rm \Delta H_r_x_n[/tex] of the reaction can be given by the change in the energy for the bond formation and the energy for the dissociation of the bonds.

The energy for the dissociation of bonds are :

3 N-H bonds = 3 [tex]\times[/tex] 390

3 N-H bonds = 1170 kJ/mol

2 O-O bonds = 2 [tex]\times[/tex] 142

2 O-O bonds = 1004 kJ/ mol.

The total energy for the dissociation of bonds = 1170 + 1004 kJ/mol

The total energy for the dissociation of bonds = 2174 kJ/mol

The energy for the formation of bonds are :

3 N-O bonds = 3 [tex]\times[/tex] 201

3 N-O bonds = 603 kJ/mol

3 O-H bonds = 3 [tex]\times[/tex] 464

3 O-H bonds = 1392 kJ/mol

The total energy for the formation of bonds = 603 + 1392

The total energy for the formation of bonds = 1995 kJ/mol

[tex]\rm \Delta H_r_x_n[/tex] of the reaction =  energy for the dissociation of bonds - energy for the formation of bonds

[tex]\rm \Delta H_r_x_n[/tex] of the reaction = 2174 - 1995 kJ/mol

[tex]\rm \Delta H_r_x_n[/tex] of the reaction = 179 kJ/mol.

The value of [tex]\rm \Delta H_r_x_n[/tex] of the reaction can be 179 kJ/mol.

For more information about the [tex]\rm \Delta H_r_x_n[/tex] of the reaction. refer to the link:

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