describe the relationship between the mass volume and density of material

Answers

Answer 1

Answer: For a given mass and volume, how much physical space a material takes up, of an object or substance, the density remains constant at a given temperature and pressure. The equation for this relationship is ρ = m / V in which ρ (rho) is density, m is mass and V is volume, making the density unit kg/m3.

Explanation:


Related Questions

A 10-kg ball is accelerated 500 m / s2 by a force of

Answers

Answer:

The answer is 5000 N

Explanation:

The force acting on a body can be found by using the formula

force = mass × acceleration

From the question

mass = 10 kg

acceleration = 500 m/s²

We have

force = 10 × 500

We have the final answer as

5000 N

Hope this helps you

Human body uses the energy provided from food digestion. Endothermic or exothermic?

Answers

Answer:

Endothermic

Explanation:

Exo is outside so exothermic would be outside the body

The carbohydrates are break down into glucose. Then glucose combines with oxygen in the cells and provides energy. Hence, digestion is an exothermic process.

What is an exothermic process ?

Food digestion produces heat. This happens as a result of the organism releasing heat during meal digestion. A process that releases heat is exothermic.

Heat is released during an exothermic reaction, raising the temperature of the immediate environment. The environment is cooled through an endothermic process that absorbs heat.

Glucose is created by the breakdown of these carbs. In the cells of our body, this glucose interacts with oxygen to produce energy. So, the process of digesting is exothermic.

Chemical processes involved in food digestion disassemble large food molecules into smaller, more manageable "building block" components.

Thus, Human body uses the energy provided from food digestion is exothermic process.

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Plz help! This question is due in 10 mins!

Calculate the density of a 5cm3 cube of iron with a mass of 100 g

Answers

Answer: 20

Explanation: I’m in your class.

In which cell will the molecules diffuse out A or B

Answers

The answer: the answer should be B
Sorry if its wrong

A student redid the experiment of mixing room-temperature water and warm
water. This time, she doubled the amount of room temp water. How will the final
temperature be different?
A- It will be higher, because the amount of water in the mixture is greater.
B-It will be lower, because the temperature of the room-temperature water will not increase as much.
C-It will be the same because all parts of the mixture will end up at the same temperature.
D-It will be higher, because all parts of the mixture will end up at the same temperature.

Answers

Answer:

B) It will be lower, because the temperature of the room-temperature water will not increase as much.

Explanation: I took the test

The mass of an atom Is found by adding Its protons and .The electric charge of an atom Is found by adding the charges carried by Its protons and .​

Answers

Answer: the 1st answer is neutrons and i think the 2nd is nucleus

Explanation:

The mass of an atom is found by adding its protons and neutrons. The electric charge of an atom is found by adding the charges of its protons and electrons.

What is atomic mass?

The atomic mass of an element is the total number of protons and the number of neutrons carried by one atom of that element. The atomic mass of an element is usually expressed in grams or a.m.u.

The atomic mass of an element = No. of protons + No. of neutrons

or

The atomic mass of an element = No. of electrons + No. of neutrons

The atomic number gives us information about how many protons are inside the nucleus of the atom. Elements are recognized by the number of protons in the nucleus. Neutrons are uncharged elementary or subatomic particles that are stable when bound in an atomic nucleus.

As the electrons and protons are charged particles in an atom, therefore, the sum of the charge carried by them is equal to the electrical charge of the atom.

For a neutral atom, the number of protons present in an atom is always equal to the number of electrons.

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which option is an example of a physical change??

A breaking chemical bonds

B forming chemical bonds

C nuclear decay

D melting a substance

which option is an example of a chemical change
A ironing a shirt

B melting cheese

C grinding powder

D fireworks exploding

Answers

Answer:

D

Explanation:

Melting of ice is a physical change as there no new compound is forming only state is changing So Option D is correct option. For second question Option D is correct option as combustion reaction is taking place.

What is chemical change?

Chemical change is a reaction in which breaking and forming of new bonds take place. One molecule completely converted to totally different molecule. The number of atoms remains same

One famous example of chemical change is the rusting of iron. The color, odor and arrangements of atoms in products are very much different from reactant. Chemical change are mostly irreversible in nature.  Physical change is just opposite of chemical change. Phase change is an example of physical change.

Thus option D  is correct option in both cases.

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Why is it important for you to know the properties and chemical formulas of molecular and ionic compounds? How will this affect your ability to choose one product over another or make decisions about whether to use a certain substance like bleach or drain cleaner? How has learning about atomic structure and compounds changed your understanding of the world around you?

Answers

Answer:

See explanation

Explanation:

It is important to know the properties and chemical formulas of ionic and molecular compounds because, knowledge of the properties of a compound aids you in deciding how to use the compound, how to store it and how dangerous it can be. Knowledge of its formula is the first step towards identifying its properties since most chemicals occur in groups having similar chemical/physical properties.

Knowledge of the chemical properties and formula of bleach and drain cleaner will help you to decide which product is a better cleaning agent based on its chemical composition. This will help you as the user to make  better decision.

Learning about atomic structure has made me to understand that all matter in the universe are composed of atoms. indeed, certain occurrences in nature can only be explained on the basis of atoms involved.

what is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons

A,22, B.23, C34, D 11

Answers

Answer:

23, B

Explanation:

The mass of an atom is determined by the number of Protons + Neutrons. Here, if we assume the units is AMU (Which means the mass unit for a proton and neutron would be basically 1), the answer would be 11 + 12 = 23 AMU, which is B.

Answer:

B) 23

Explanation:

Relative Mass = number of protons + number of neutrons

Relative Mass = 11 + 12

Relative Mass = 23

How many protons are there in a neutral, stable Hydrogen atom that makes up 99.985% of the element?

A. 1

B.2

C.3

D.4

E.0

Answers

Answer is A because

If you were to decrease thermal energy, what would happen to the particles?

Answers

Answer: Explanation:

You can change an object's state of matter by adding or removing thermal energy. When you add thermal energy to an object, these things can happen: Particles move faster (increased kinetic energy). Particles get farther apart (increased potential energy).

The number of protons in an element can be found by looking at the
symbol
atomic number
O average atomic mass
O name

Answers

Answer:

atomic number if it's a answer

Answer:

I think its the average atomic mass.

Explanation:

What strategy should be done to provide quality education without discrimination?​

Answers

Explanation:

The Committee has already adopted general comment No. ... Non-discrimination - education must be accessible to all, especially the most ... developmental strategy for its school system.as poverty and discrimination and to provide education of sufficient quality, in a manner that ensures children can benefit from it.

A meteorologist uses a weather map to explain an upcoming change in weather. The map shows a blue line with triangles approaching a red line with semicircles. Based on the map, which weather prediction is most valid? (1 point) A a significant drop in temperature will occur across the area. B There is no chance of precipitation in the forecast. C Warm temperatures will replace cold temperatures. D Humidity levels will rise.

Answers

Answer:

Option C: Warm temperatures will replace cold temperatures.

Explanation:

In a weather map, a warm front is depicted with a red line and red semi circles while a cold front is depicted with a blue line and blue triangles.

Now, we are told that the map shows a blue line with triangles approaching a red line with semi-circles. This means that the cold front is approaching the warm front.

Now a warm front is simply defined as the transition zone where warm air mass gradually replaces a cold air.

Thus, it means the weather map depicts the fact that warm temperature is replacing cold temperature.

Thus; Option C is correct.

Answer: 1: A cold front moved into the area. 2: It would actually be A. A significant drop in temperature will occur across the area. 3: Movement of large air masses. 4: “A Strong Cold Front Threatens the Region”. 5: a meeting of two air masses with major differences in temperature and moisture.

Hope you got 100 because of this!


Is hydrogen a metal or a nonmetal? How many valence electrons does a hydrogen atom have?

Answers

Answer:

hydrogen is a non-metal, and has one valence electron.

Explanation:

Hope this helps!!

Hydrogen shows properties of both metals and nonmetals. However, hydrogen is placed with the alkali metals since it contains one valence electrons.

What is hydrogen ?

Hydrogen is the first element in the periodic table. It has only one electron and it is the valence electron of hydrogen. Therefore, hydrogen is placed in the first group of periodic table.

Hydrogen needs one more electrons to become stable. The 17th group elements halogens also have a valency of  one. Hence, hydrogen shows some chemical similarities with halogens also.

Mostly hydrogen forms covalent bonds like non-metals and in rare cases, hydrogen forms ionic bonds by donating its electron. Therefore, hydrogen is mostly considered as a non-metal.

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0.0
A loaf of bread has a mass of
250.0 g and a volume of
2,575 cm3. What is the
density of the bread?
cm3
10
1

Answers

Answer:

0.097 g/cm3

Explanation:

divide mass over volume

can anybody help me? ill mark brainliest!!! please ITS TIMED

Answers

Density = Mass/Volume but it can also be rearranged to:

Mass = Volume x Density

Given in the question:

Volume - 44.9 cc

Density - 19.3 g/cc

Calculation

Mass = Volume x Density

= 44.9 x 19.3

= 866.57 g

the sum of all the kinetic energies of an object is it's​

Answers

Answer:

The sum of potential energy and macroscopic kinetic energy is called mechanical energy and stays constant for a system when there are only conservative forces (no non-conservative forces). The more mass a moving object has, the more kinetic energy it will possess at the same speed.

Explanation:

Answer: Mechanical energy

Explanation: The more mass a moving object has, the more kinetic energy it will possess at the same speed

Why were enslaved Africans in high demand in the southern colonies?

Answers

Answer:

Slaves were in high demand in the southern colonies because they were the main source of labor. ... Bacon and others colonists wanted to take the Natives land.

Explanation:

HOPE THIS HELPED ❤✨

Slaves were in high demand because they were the main source of labor meaning they would do all of their owners work and without the slaves it was hard for them to keep up with their house, farm, work etc

Do all metals have more electrons than protons

Answers

Answer:

no

Explanation:

If all the deer disappeared from this community, which change would be most
likely to occur?

Answers

Answer:

i think the grass population would decrease

Explanation:

Answer:

The Coyote population would decrease

Explanation:

What all indicates a CHEMICAL change? *
A Solid melting into a liquid
After the change the substance is still reactive with oxygen
One substance becomes two new substances
The melting point was 100 deg C but after the change the melting point was 256 deg
C.

Answers

one substance becomes two new substances

what is percipatation

Answers

Answer:

Water that falls from the clouds.

Explanation:

How long does one complete orbit of Earth around
the sun take, give the amount in years and days?

Answers

Answer:365 days, 5 hours, 59 minutes and 16 seconds.

Convert this mass to SI Unit: 2000g

Answers

Answer: 2 kg

Explanation:

The unknown element (Johnsonium, Jo) contains three naturally occurring isotopes. The relative abundances and atomic mass are:
Moorium-36: abundance = 1.32%, mass = 35.978amu
Moorium-38: abundance = 3.25%, mass = 37.963amu
Moorium-40: abundance = 95.43%, mass = 39.962amu
What is the average atomic mass of "Moorium?"

Answers

Answer:

Average atomic mass of moorium is 39.844 amu.

Explanation:

Given data:

Atomic mass of moorium-36 = 35.978 amu

Relative abundance of  moorium-36 = 1.32%

Atomic mass of moorium-38 = 37.963 amu

Relative abundance of  moorium-38 = 3.25%

Atomic mass of moorium-40 = 39.962 amu

Relative abundance of  moorium-38 = 95.43%

Solution:

Average atomic mass moorium = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass)+ (abundance of 3rd isotope × its atomic mass)  / 100

Average atomic mass of moorium = (1.32×35.978)+(3.25×37.963)+(95.43×39.962) /100

Average atomic mass of moorium =  47.491 + 123.380 +3813.574  / 100

Average atomic mass of moorium = 3984.445 / 100

Average atomic mass of moorium = 39.844 amu

I will give you brainliest

Answers

Answer:

Plumbing System

Explanation:

Answer:

C plumbing system

Explanation:

Infrastructure is the basic structures needed for the operation of society

Identify and give an example of at least two molecular properties that could be used to separate a substance from a mixture.

Answers

Answer:

Two molecular properties that could be used to separate a substance from a mixture are - Filtration and Chromatography .

Explanation

Molecular property -Molecular properties include the chemical properties, physical properties, and structural properties of molecules, including medicines. Typically, molecular properties do not include a chemical compound's pharmacological or biological properties.

Filtration -: Using a filter medium that allows the fluid to move through but not the solid, filtration is a method used to distinguish solids from liquids or gases. The term 'filtration' refers whether the filter is mechanical, chemical, or physical. The filtrate is considered the fluid that flows through the filter. A surface filter, which is a solid that traps solid particles, or a depth filter, which is a bed of material that traps the solid, may be the filter medium.

Usually, filtration is an imperfect operation. On the feed side of the filter or embedded in the filter media, some fluid remains and some tiny solid particles make their way through the filter.

example - Filters containing fibers that trap particulates are used by many aquariums.

Chromatography -: A laboratory method for the isolation of a mixture is chromatography. The mixture is dissolved in a fluid called the mobile phase (gas, solvent, water) that carries it through a device (a column, a capillary tube, a plate, or a sheet) on which a material called the stationary phase is fixed. For the stationary step, the different constituents of the mixture have different affinities.

Chromatography can be analytical or preparatory. Preparative chromatography is intended to isolate the components of a mixture for subsequent use and is therefore a method of purification. Analytical chromatography is usually conducted with smaller quantities of material and is intended to assess the presence of analytes in a mixture or to measure their relative proportions. Both are not limited to each other.

An example of chromatography is when a chemical reaction is used to separate each of the various sized molecules on a piece of paper in a liquid compound into their own pieces.

Hence , the answer is filtration and chromatography .

What is the proof of the chemical reaction?

Answers

Answer: The chemical is disrupted, also most likely causing an explosion.

Explanation:

an explosion. a reaction to the chemical that can be big or small.

Is sulfur dioxide a element?

Answers

yes it is a element.

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please help me i desperately need it Read the excerpt from The Story of the Three Little Pigs.Once upon a time there was an old Sow with three little Pigs, and as she had not enough to keep them, she sent them out to seek their fortune.The first that went off met a Man with a bundle of straw, and said to him, "Please, Man, give me that straw to build me a house"; which the Man did, and the little Pig built a house with it. Presently came along a Wolf, and knocked at the door, and said, "Little Pig, little Pig, let me come in."To which the Pig answered, "No, no, by the hair of my chinny chin chin.""Then I'll huff and I'll puff, and I'll blow your house in!" said the Wolf. So he huffed and he puffed, and he blew his house in, and ate up the little Pig Translate each sentence to a equation 1. Six more than the quotient of a numberand 6 is -3.2. Five more than twice a number is 27 3. Ten less than the quotient of a number and 2 is 5 First Right BRAINLIEST!!!!!! And 5 star, and thanks Which of the following is not a function of the skin? Group of answer choices: protects the body; sensitive to temperature changes; helps regulate body temperature ; produces of gametes Find the LCM of x2 + x,x2-1,x2-x Find the height of an equilateral triangle with sides 12 cm long. What is the difference between what is certain and what is probable? If, as in a courtroom, the jury decides that something has been proved "beyond a reasonable doubt," does that mean that it is certainly true or merely highly probable? Are we persuaded only by what is certain or sometimes by what is probable, in that it is likely to be true, or that most people would agree that it is true? Select the correct answer.Eating disorders never affect males.OATrueOB.False |8x+3|=12 whats the answer Express 2101 three to base 10 Which list orders 3.216, 5.34, 3.62, 1.8, and 5.4 from greatest to least? 5.4, 5.34, 1.8, 3.216, 3.62 3.62, 3.216, 1.8, 5.34, 5.8 1.8, 3.216, 3.62, 5.34, 5.4 5.34, 5.4, 1.8, 3.62, 3.216. Hurry cause #18kymani needs your help. people/East/faith/fate/the/eternal/have/in/0f/the RECOWhich expression is equivalent to 3x 1/2y+2 2/3y-5/6x Indira makes a graph to show how many pages of her graphic novel she canillustrate each day.a. What is the constant of proportionality for the relationship betweenpages and days? b. Write an equation to show the relationship between pages and days. What is a thumbnail sketch, and what is its purpose? Why can astronauts jump so high, and "hang" solong, on the moon? Which change in seasons occurs in the Northern Hemisphere at position D?A) Winter is ending and spring is beginning.B) Spring is ending and summer is beginning.C) Summer is ending and fall is beginning.D) Fall is ending and winter is beginning. Suppose you want to put sprinkles on cupcakes. You have 2/3 of a bag of sprinkles and you only need 1/9 of the bag per batch how many batches can you cover with sprinkles? Need to know ASAP thank u!!!