What do you think happens to the matter in a food sample as it is burned?

Answers

Answer 1

Burning and other changes in matter do not destroy matter. The mass of matter is always the same before and after the changes occur. The law of conservation of mass states that matter cannot be created or destroyed

Answer 2

The thing that is happen in a food sample as it is burned is the chemical and physical change.

What is combustion reaction?

Comubustion reactions are those reactions in which organic compound get burnt in the presence of oxygen for the formation of carbon dioxide gas and water molecule.

If the food sample contains the organic compound then it will convert into water and carbon dioxide gas and if it contains the matter in the form of inorganic compounds then it will convert into another product but having the same mass.

Hence if matter of food sample is burned then it will convert into small products as a result of physical or chemical change.

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Related Questions

The second part of the cell theory is that he cell is the smallest unit of _______ and _______ in living things​

Answers

Answer:

a.life

b.organization

help me plz, ASAP . (25 points)

Answers

Answer:

what is the question

Explanation:

Who want to see me with another kid in 2021? What are some great baby names for boy's and girl's?
*plz don't delete dis question****

Answers

Answer:

Artemis Mae (girl)

Apollo Kay (boy)

 Kayden Jade (girl/boy)

  Karyissa Reyna (girl)

   Poseidon Sea (boy)

    Zeus Sky (boy)

     Iris Hebe (girl)

      Faye Ares (girl/boy)

       Amphitrite Hera (girl)

          ~Lylliara~

29.4 mL of an CH3COOH solution were titrated with 18.5 mL of a 0.0175 m LiOH solution to reach the equivalence point. What is the molarity of the CH3COOH solution

Answers

Answer:

0.11 M

Explanation:

The computation of molarity of the CH3COOH solution is shown below:-

[tex]M_2 = \frac{M_1V_1}{V_2}[/tex]

Where,

[tex]M_1[/tex] = Molarity of LioH = 0.0175

[tex]V_1[/tex] = Volume of LioH = 18.5 ml

[tex]V_2[/tex] = Volume of CH3COOH = 29.4 ml

Now, we will put the values into the formula

[tex]= \frac{0.0175\times 18.5}{29.4}\\\\ = \frac{0.32375}{29.4}[/tex]

Which gives result

= 0.011 M

Therefore for computing the molarity of the CH3COOH solution we simply applied the above formula.

Answer: 0.11

Explanation:

tony ate 3/4 of the pizza. mike ate 7/16 of the pizza. how much more did tony eat than mike

Answers

Answer:

5/16

Explanation:

make them have a common denominator

3/4 needs to be times by 4

so it's

12/16 then you minus 7/16

the answer is

5/16

Answer: 5/16

Explanation:

Multiply tonys 3/4 by 4 in order to get the same denominator as mike's 7/16. You should get 12/16 since 4x3=12, and now you can subtract the smaller fraction 7/16 from the bigger one 12/16, you should get a difference of 5/16.

How to calculate the amount of water needed to dilute a solution?

Answers

Answer:

Suppose you must prepare 400 ml of a disinfectant that requires 1:8 dilution from a concentrated stock solution with water. Divide the volume needed by the dilution factor (400 ml / 8 = 50 ml) to determine the unit volume. The dilution is then done as 50 ml concentrated disinfectant + 350 ml

Is the copper in a copper wire a homogeneous or heterogeneous mixture

Answers

Yes it is because it’s a copper wire and not brass
The answer is homogenous. Homogeneous means “the same” and heterogenous means the opposite. The copper in a copper object would make it the same

If one end of an iron bar is heated, what causes thermal energy to transfer to the other end? a radiation b conduction c heat of fusion d convection

Answers

Answer:

Option B:

Conduction

Explanation:

Conduction is the transfer of heat from one molecule to another between two solids that are in direct contact with each other. For the conduction of heat to occur, the medium involved must be solid. This is because the molecules of solids are closely packed together and they cannot freely move about. The heat flowing through them can easily be passed on from one molecule to the other until it reaches all the parts of the object. This is exactly what will happen to the iron bar. Thermal energy from one end of the bar will get transferred between the molecules of the iron bar until it reaches the other end.

Convection on the other hand involves the transfer of heat through a liquid medium.

Radiation involves teh transfer of heat in a vacuum.

Answer:

b) conduction

Explanation:

A student says: Potassium (K) always has 20 protons. Explain why the student is incorrect.

Answers

Explanation:

19

Potassium/Atomic number

This tells you that potassium has 19 protons and - since the number of protons is the same as the number of electrons- also 19 electrons. To find out the number of neutrons you have to look at the atomic mass or weight of the element. This can also be found in the periodic table.

rabbit is one of the sweetest animal on world ....change it into positive degree​

Answers

Answer:

rabbit is one of the sweet animal

in the world

TIME REMAINING
01:29:12
Which technology has helped improve scientists' ability to gather scientific data about the movement of sea turtles?
O satellite tracking
O thermometers
O probeware
microscopes

Answers

the first one satellite tracking

Answer:

I believe the answer is A. Or the 1st dot.

Explanation:

HELP! WILL GIVE BRAINLY!!!

Density is an intensive physical property because the density of a given substance does not change with the size of the sample. (2 points)
True
False

Answers

Answer:

True

Density = mass/volume

Suppose that a block has a mass of 20 g and a volume of 20 cm^3.

Density = 20 g/20 cm^3 = 1 g/cm^3

Now, you cut the block in half. The half-block has a mass of 10 g and a volume of 10 cm^3.

The density of the half-block is

Density = 10 g/10 cm^3 = 1 g/cm^3

The density stays the same, even though the size of the sample has changed.

Explanation:

Answer:

✅True

Explanation:

Density is an intensive physical property because the density of a given substance does not change with the size of the sample.

IamSugarBee

If Mr. Murchison is testing out how the light in his classroom affects how sleepy his students get, what should his dependent variable be?

Answers

Answer:the dimmer the light is,the more sleepy the students become

Explanation:

When heating test tubes, always slant them away from yourself and others.
True
False

Answers

Answer:

true

Explanation:

Zinc reacts with hydrochloric acid according to the reaction equation Zn(s)+2HCl(aq)⟶ZnCl2(aq)+H2(g) How many milliliters of 6.50 M HCl(aq) are required to react with 8.75 g Zn(s)?

Answers

Answer:

41.17

Explanation:

n Zn =  mass / m.wt

      = 8.75 /(65.4) = 0.1338 mole

n HCL = ( from the balanced equation )

     2HCL                  Zn

          2mole   → 1  mole

          x  mole     →             0.1338mole

     n HCL = .268 mole

M= mole/liter

6.50= 0.268/x

so u have0.04117  liter = 41.17 ml

Mole measure the number of elementary entities of a given substance that are present in a given sample. Therefore, 41.17 ml of 6.50 M HCl(aq) are required to react with 8.75 g Zn(s).

What is mole?

The SI unit of amount of substance in chemistry is mole. The mole is used to measure the quantity or amount of substance. We know one mole of any element contains 6.022×10²³ atoms which is also called Avogadro number.

Mathematically,

number of moles of zinc=  mass / molecular mass

                                       = 8.75 /(65.4) = 0.1338 mole

number of moles of HCl ( from the balanced equation )

2 moles of HCl reacts with one mole of Zn

number of moles of HCl = 2×0.1338 =0.268 mole

Molarity = number of mole of HCl/volume occupied by solution

6.50= 0.268/volume

Volume of HCl = 41.17 ml

Therefore, 41.17 ml of 6.50 M HCl(aq) are required to react with 8.75 g Zn(s).

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What lead to the discontinued use of DDT? What were its effects on people? Nature? People- Nature-

Answers

My big dixk jkjejdjjdjjdjdjdjdjdjdjf

A substance has a density of 3.56 g/mL and a mass of 5668 g. What is the volume?

Answers

Answer:

The answer is

1592.13 mL

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

[tex]volume = \frac{mass}{density} [/tex]

From the question

mass of substance = 5668 g

Density = 3.56 g/mL

The volume is

[tex]volume = \frac{5668}{3.56} \\ = 1592.1348314[/tex]

We have the final answer as

1592.13 mL

Hope this helps you

A recycling center must find a way to separate all of the aluminum cans from those made of nickel or iron. What would be a reliable, efficient way to separate them?

Answers

Answer:

Use a giant magnet to pick up the iron and nickel ones, leaving the aluminum behind.

Explanation:

Stay safe!

plastics
shells
aluminum
cans
drift
wood
sea
weed
glass
This chart illustrates the type and number of items collected during a clean up of a
beach. Based on the chart, what approximate percentage of the total items result
from the action of people?

Answers

It will be weed because wood is sum else

Harvey mixes two liquids. Which observation of the new mixture most likely indicates a precipitate is O A. a cloudy appearance OB. a bubble formation OC. a change in color O D. a change in odor​

Answers

Answer:

A cloudy appearance!!

Explanation:

Hope it helps, just took a quiz.

Answer:

a cloudy appearance

Explanation:

i have big brain

An unknown solid has a mass of 837.21 g. The volume of the solid, determined by water displacement is 37.00 mL. Calculate the density of the solid.

Answers

Answer:

The answer is

22.63 g/mL

Explanation:

The density of a substance can be found by using the formula

[tex]Density = \frac{mass}{volume} [/tex]

From the question

mass = 837.21 g

volume = 37.00 mL

The density of the substance is

[tex]Density = \frac{837.21}{37} \\ = 22.62729[/tex]

We have the final answer as

22.63 g/mL

Hope this helps you

⁴₁₂Mg and ²⁴₁₂Mg⁺² can be defined as
isotopes
different elements
ions
average atomic masses

Answers

ions because it’s still the same element, however the charge has changed

Which of the following has a negative charge? A.neutrino B.electron C.alpha particles D.gamma rays

Answers

Answer:

B. Electrons

Explanation:

Protons have a positive (+) charge.

Neutrons have a neutral (0) charge.

Electrons have a negative (-) charge.

Alpha Particles is a helium atom.

Gamma Rays are radiation.

Neutrino is Quantum Physics.

what is a compound x in chemistry?​

Answers

it is unknown...................

Answer:

no there is not compound x in chemistry

Which substance is composed of only one type of atom? A: water B: sugar C: salt D: gold

Answers

Answer:

Gold

Explanation:

water = H2O(3 atoms)

Sugar = C12H22O11 (45 atoms)

Salt = NaCl ( 2 atoms)

Gold = Au ( 1 atom)

A substance that is composed of only one type of atom is gold. Thus, the correct option for this question is D.

What is an atom?

An atom may be defined as the smallest unit of any matter that has the ability to form a chemical element. An atom may also be characterized as a particle of matter that uniquely illustrates a chemical element.

Water is composed of two atoms which are hydrogen and oxygen. Its chemical formula is [tex]H_20.[/tex] Sugar is a complex compound that consists of atoms of Carbon, hydrogen, and oxygen. Its chemical formula is [tex]C_6H_1_2O_6.[/tex] Salt typically consists of atoms of sodium and chlorine. Its chemical formula is NaCl.

Therefore, gold is a substance that is composed of only one type of atom. Thus, the correct option for this question is D.

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Living sustainably means living on ____—the renewable resources such as plants, animals, soil, clean air, and clean water provided by Earth's natural capital. A. Exponential growth natural income ecosystem services factors of sustainability biodiversity

Answers

Answer:

natural income

Explanation:

Living sustainably in the 21st century means coexisting with the nature. In other words, to live sustainably means to meet the needs of the human without affecting or degrading the mother nature.

In the context, living sustainably means to live from the natural income from the nature's gift to us, using their natural resources and not hurting them or exploiting them. They may be resources from the soil, plants, clean air, animals, nature's clean water,etc.

Which event always involves a chemical change A boiling B melting C conducting D burning

Answers

The answer is Burning

Answer:

burning

Explanation:

When a chemical change occurs, the matter is transformed into a new substance. When a substance is burned, it will change into something new. Thus, you know that burning is a chemical change. All the other options are physical properties. The substances may change state, but they will not change identities.

- I took the quiz and got 100%

Hope this helps!


Which statement accurately describes the chemical symbol of an element?

O The chemical symbol is always a single letter.
O The chemical symbol always starts with the same letter as the name of the element.
O The chemical symbol always begins with a capital letter.
OThe chemical symbol can be shared by more than one element.

Answers

Answer:

The chemical symbol always begins with a capital letter.

Explanation:

Answer:

c

Explanation:

The chemical symbol of an element always starts with an chemical letter so here the answer is that the chemical symbol always begins with a capital letter.

It can be seen in the different elements chemical symbol .

For example, Tin is having chemical symbol as Sn while lead is having chemical symbol as Pb.

In both these elements, the chemical symbol starts with a capital letter but none of these have their symbol starts with same letter as their name.

The forces between water molecules are stronger than the forces between ethanol molecules. Which liquid would probably be most difficult for an insect to walk on?

Answers

An insect would have a harder time walking on ethanol than it would water. Water has stronger intermolecular forces which leads to higher surface tension. The higher surface tension allows for the insect to be easily supported

Answer:
An insect would have an easier time walking on the surface of water than on the surface of ethanol.
Water’s stronger intermolecular forces lead to higher surface tension.
Higher surface tension allows water to support the insect.

What are two examples of a chemical change

Answers

Answer:

1.Cooking an egg

2. Burning wood

Hope it helps :)

Answer:

1.Mixing of sodium with water

2.rusting of iron


Step by step explanation:
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