When exposed to very high temperatures, metals like iron can be turned into fluids that flow and can be poured into molds. What happens within the iron to allow it to flow?

Answers

Answer 1

Answer: the particle vibrate

!


Related Questions


What makes one atom different from another? The number of______in the_____

Answers

Answer:

protons in the nucleus

Which are different forms of an element that have different numbers of neutrons?
O ions
O isotopes
O compounds
O molecules

I need help pleaseeee

Answers

When an element has a different number of neutrons, it’s called an isotope.

What SI units are used for measuring the following quantities? For derived units, express your answers in terms of the six fundamental units. please help :(


volume, density, and energy

Answers

Answer:

volume it's SI unit is cubic centimeters or cubic meters

density grams per cubic centimeters

how do I solve for V1 in this equation ​

Answers

Answer:

[tex]V_{1} = \frac{P_{2}V_{2}T_{1}}{P_{1}T_{2}}[/tex]

Explanation:

[tex]\frac{P_{1} V_{1}}{T_{1}} = \frac{P_{2}V_{2}}{T_{2}}[/tex]

First of all cross multiply

That's

[tex]P_{1}V_{1}T_{2} = P_{2}V_{2}T_{1}[/tex]

Next divide both sides by [tex]P_{1}T_{2}[/tex]  in order to isolate [tex]V_{1}[/tex]

We have

[tex]\frac{P_{1}V_{1}T_{2}}{P_{1}T_{2}} = \frac{P_{2}V_{2}T_{1}}{P_{1}T_{2}}[/tex]

We have the final answer as

[tex]V_{1} = \frac{P_{2}V_{2}T_{1}}{P_{1}T_{2}}[/tex]

Hope this helps you

what are 5 physical changes in matter

Answers

Answer:

cutting, bending, dissolving, freezing, and boiling

Explanation:

A physical change is a change in one or more physical properties of matter without any change in chemical properties. In other words, matter doesn't change into a different substance in a physical change. Examples of physical change include but are not limited to, from solid to liquid or from liquid to gas are also physical changes.

Which of the following is the most accurate definition of a civilization?
humans being able to communicate with each other.
humans being able to travel to other regions
the stage of humans being able to find food
the stage of human social and cultural development

Answers

Answer:

The stage of human social and cultural development.

Explanation:

Answer:

The stage of human social and cultural development.

on:

How many moles ar Li are in 9.53x^24 atoms of Li?

Answers

Answer: 15.83 mol

Explanation:

To convert from atoms to moles, we will need to use Avogadro's number.

Avogardo's number: 6.022×10²³ atoms/mol

[tex]9.53*10^{24} atoms*\frac{1mol}{6.022*10^2^3 atoms} =15.83 mol[/tex]

Now, we know that there are 15.83 moles.

Density = mass/volume or Dam/v
calculate the density of a cube that measures 1.25 centimeter on a side
and has a mass of 43.0 grams.

Answers

Answer:

A brick of salt measuring 10.0 cm x 10.0 cm x 2.00 cm has a mass of 433 g. What is its density? Step 1: Calculate the volume. V = lwh = 10.0 ...

Missing: Dam/ ‎43.0

What is density????????????????

Answers

Answer:

Density is the mass per unit volume

Explanation:

Density is defined as mass divided by volume: where "p" is the density, "m" is the mass, and "V" is the volume.

Which of these is a physical property?
A) ability to burn a piece pf paper
B) pure sodium reacts violently with water
C) the boiling point of water is 100°C
D) helium does not tend to react with anything

Answers

Answer:

the boiling point of water is 100°C

Explanation:

Boiling point of water. It’s not physically changing the substance

An atom has a mass number of 19 and an atomic number of 9. What element is it? What is it’s symbol? How many protons, neutrons and electrons does it have? PLEASE HELP NEED ANSWER ASAP

Answers

Answer:

9 protons 9 electrons and 10 neutron

Explanation:

The atomic number is the number of protons .In a neutral atom,the number of electrons equals the number of protons.Mass number is the sum of the protons and nuetrons of a particular isotope.If you have mass number and atomic number,subtract the atomic number from the mass number to get the number of nuetrons. Mass number- atomic number= number of nuetrons

A wave has a length of 8 meters and a speed of 32 meters per second. What is the frequency of the wave?

Answers

Answer:

f=vλ where: f is the frequency of the wave in hertz. v is the velocity of the wave in meters per second. λ is the wavelength of the wave in meters

f= 32*8 = 256 hertz

Explanation:

google takes its name from a conversion prefix. What is it and how big is it

Answers

Answer:

Giga, 1x10⁹.

Explanation:

Hello,

In this case, if we chew over Google's name, we can see that it suggests the word Giga which in conversion units context accounts for the Giga prefix (G) which has a value of 1x10⁹.

For instance 1 meter in gigameters is:

[tex]1m*\frac{1Gm}{1x10^9m}=1x10^{-9}Gm[/tex]

Which suggests that it is a huge unit and it makes sense considering the raft of information Google handles.

Regards.

A kilometer is much greater in distance then a millimeter true or false

Answers

Answer:

true

Explanation:

Answer:

true

because if you look at a chart it will lable

kilometercentimetermillimeterand so on

Did dalton’s atom have any protons, neutrons, and electrons?

Answers

Answer:

no

Explanation:

No, dalton’s atom haven't any protons, neutrons, and electrons because they were not discovered until later.

Answer:

No

Explanation:

no, because according to him an atom is a tiny indestructible sphere with mass on it. In his theory, Dolton did not know about Protons, neutrons and electrons.

Round the the number below to the following places:
1254.6027
Rounded to the nearest... Correctly Rounded Number (Answer)
1000 place
100 place
10 place
1 place
10th place
100th place
1000th place

Answers

Answer: 1265.6037

Explanation:

PLEASE HELP The arrows in the chart below represent phase transitions.

Three bars are shown labeled Solid, Liquid, and Gas. They are connected by arrows labeled 1 to 6. Arrow 1 points from liquid to gas; arrow 2 from solid to liquid, arrow 3 from solid to gas, arrow 4 from gas to liquid, arrow 5 from liquid to solid, and arrow 6 from gas to solid.

Which arrows represent the phase transitions in which heat energy is gained?
1, 2, and 3
2, 3, and 5
3, 4, and 5
4, 5, and 6

Answers

1, 2, and 3

hope it helps next time upload with picture

I really need help with this before 5:10
Show your work

Your big brother has been brageing about how he can bench press 4.000 grams at the gym. Sounds impressive.
but you know better. Use your skills to find how many pounds of weight he is actually pressing.

Answers

( I got you fam. )

Answer ( assuming that your brother is doing 4,000 grams and not 4 grams ) :

around 8 pound's

Explanation:

1 gram = around 0.002 gram's

4,000 x 0.002 = 8

8 pound's :-)

The density of manganese is 7.21 g/cm^3 . What is the density in kg/m^3 ? (dimensional analysis)

Answers

Answer:

7.21 x 103 kg/m3

Explanation:

Dimensional analysis has been the process to establish and convert the various units in the measurement. The density of manganese in kg/m3 is 7.21 × 10³ kg/m³.

What is dimensional analysis?

Dimensional analysis has been the method that is also referred to as the unit factor or factor label method. It solves the mathematical expressions by multiplying the given value with another without changing its quantity and amount. It is used to change the units of the value.

Given,

Density of manganese = 7.21 g/cm³

The dimensional analysis method is used to convert grams per cubic centimeter into kilograms per cubic meter as:

1 gram / cubic centimeter = 1000 kilogram / cubic meter

So, 7.21 g/cm³ = X kilogram / cubic centimeter

Solving for X as:

X = 7.21 g/cm³ × 1000 kilogram / cubic centimeter

X = 7.21 × 10³ kg/m³

Therefore, 7.21 × 10³ kg/m³ is the density.

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Which statement provides background knowledge that helps a reader understand the theme of valuing all life found in"Birdfoot's Grampa"?

The journey is more important than the destination.
Toads can be poisonous and may attack when startled.
Grandparents and grandchildren often disagree.
It can be dangerous to stop a car on the side of the road.

Answers

Answer:D

Explanation:

Got it right

The statement which provides the theme of valuing all life found in the poem 'Birdfoot's Grampa' is the journey is more important than the destination.

What is the theme of Birdfoot's Grampa?

The poem 'Birdfoot's Grampa' is written by the author Joseph Bruchac which narrates the story of an old man's journey to rescue the life of all toads that are seen on the road while he is driving during the night.

The poem gives us an idea that all life is important and is of value which we can understand through the immense tolerance and selflessness. The worth of our life is generally demonstrated in the poem.

Every ones life has a value whether it is small or big. This concern is shown in this poem through the character of Birdfoot's Grampa's continuous stopping of the car to rescue the toads which are seen on the road rather than just running them over.

Birdfoot's Grampa's is that much conscious and careful about the life of toads. All life is precious and the journey is more important than the destination is denoted in the poem.

Thus option A is correct - journey is more important than the destination.

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Need help with this question using dimensional analysis

Answers

The speed limit would be 70.2 mi/h

______ is a way to slow down the reactions that spoil milk

Answers

Answer:

b. keeping milk cold

Explanation:

The cool temperature in the fridge will stop it from going to any further reactions so it won't get spoilt

d. Keeping milk warm can help in slowing down of the reaction that can spoil milk.

Pasteurization can be defined as the heat treatment process in which the heat is provided to a liquid for example milk to prevent the growth of microbes which are least resistant to the heat. This process destroy the microbes, their spores, and also prevent their colonization.This process is useful in preventing soreness of milk and extends its shelf life. Keeping milk in cold container, in a cold temperature, or away from other sources of food will not help in slowing down the reactions that spoil milk.

Hence, d. Keeping milk warm can help in slowing down of the reaction that can spoil milk.

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Describe, in terms of particle arrangement, why the substance with the smallest density and the substance with the largest density has different densities.

Answers

Explanation:

Density of a substance may be defined as the amount of mass or matter it contains in a unit space or volume of that substance. It is the quantity of the matter that a body possess or contains.

Mathematically,

density = mass / volume

Different substance shave different densities. The arrangement of molecules or atom particles in the substances makes a substance less denser or more denser than the other substance.

In liquid or gas, the molecules are loosely bound to each other and there are more empty space or void spaces in the substance. Thus this make liquid and gas less dense.

On the other hand, the molecules in solid are tightly bound and they are packed, with no or very less empty space. Therefore, solids have the largest density than the gases which have the smallest density.

Identify how many significant figures each number has. a. 297 b. 549 c. 4678 d. 327 e. 3006 f. 902 g. 8020 h. 0.0000053 1. 0.00002 j. 0.000506 k. 4000 1. 4000.0 m. 7.12 n. 3.05​

Answers

Explanation:

a. 3 significant figures

b. 3

c. 4

d. 3

e. 4

f. 3

g. 3

h. 2

i. 1

j. 3

k. 1

l. 6

m. 3

n. 3

Which condition might develop if people eat contaminated raw or undercooked fish?
A. Cyclosporiasis
O B. Cryptosporidiosis
C. Giardiasis
O D. Anisakiasis

Answers

the correct answer is Anosamiasis
O B. Anisakiasis, you get it from eating undercooked or raw fish

Molding a shape from soft, malleable material (clay or plaster) or constructing a shape from harder material (such as metal or paper). Molding is what a child does with Play-Doh or origami.

Answers

Complete question is;

Molding a shape from soft, malleable material (clay or plaster) or constructing a shape from harder material (such as metal or paper) is called what?

Molding is what a child does with Play-Doh or origami

Answer:

Modeling

Explanation:

In chemistry, we have a branch called modeling chemistry. In modeling, we organize together a series of models instead of a collection of topics. In this approach, we will begin with a phenomena that can be readily observed and are gradually develop the simplest model of matter that helps us make sense of our observations.

Now in the question, we are Molding a shape from soft, malleable materials like clay/plaster or constructing from harder materials like metal/paper. This means that we are organizing a series of models from either soft & malleable or harder materials to produce a simple model shape.

Thus, this is simply modeling.

HELP!

Mrs. Grogan wants to know if she is packing the same amount of animal crackers for her son’s snack each day.

She fills up a sandwich bag full of animal crackers each day. Mrs. Grogan takes the mass of the animal crackers and discovers that she uses 23.4 g, 25.2 g, 24.3g, 24.4 g, and 24.8 g of animal crackers for each day during the week. Convert the average mass into kilograms and record your answser to the correct number of significant figures. NO UNITS!

Answers

Answer: 0.02442 with 5 s.f. Explanation: (23.4g +25.2g +24.3g + 24.4g +24.8g)/5 = 24.42g. 1000g/kg so 24.42g = 0.02442 kg

Calculate the volume of a sample of iron that has a density of 6.8 g/mL and a mass of 6780 mg.

Answers

Answer:

m= 6780mg = 6.78g = 6.8g

d= 6.8g/ml

V= m/d

V= 1ml

What do the elements Nickel and Technetium have in common?

Answers

Answer:

Both Nickel (Ni, 28, 58.69) and Technetium (Tc, 43, [98]) have these features in common:

transition metalssome gray color (Tc is silver)are in the d blockhave two electrons in valence shell (although Tc's valence is 6)very similar electronegativity levels (1.9 vs 1.91)don't have a refractive indexdon't have a critical temperaturedon't have a heat of combustion measurementdon't have an EU Number or NFPA hazard leveldon't have an autoignition point or a flashpoint

There are various kind of elements that are present in periodic table. Some elements are harmful, some are radioactive, some are noble gases. Therefore, nickel (Ni) and technetium (Tc) belongs to d block element.

What is periodic table?

Periodic table is a table in which we find elements with properties like metals, non metals, metalloids and radioactive element arranges in increasing atomic number.

Periodic table help a scientist to know what are the different types of elements are present in periodic table so that they can discover the new elements that are not being discovered yet.

Both Nickel (Ni) and Technetium (Tc) have these features in common:

Both are transition metals that is belong to d block

Both have two electrons in valence shell

Electronegativity value of these elements are same

Therefore, nickel (Ni) and technetium (Tc) belongs to d block element.

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Carmen has a sample of matter. It is clear and smells sour. The sample is also thick but it flows when poured. Which is the best conclusion about Carmen's sample?

Answers

Answer:

liquid

Explanation:

In the given context, the sample as collected by Carmen is clear  and the sample has a sour smell. It is also mentioned that the sample is thick sample and when the sample is poured on a surface it begins to flow.

Such a sample would be a liquid sample because anything that flows is a liquid. The liquid sample has a high viscosity since it is thick.

Answer:liquid

Explanation:

Because it flows

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