1. In which order does food travel through the digestive
system after it is swallowed?
A. trachea, stomach, large intestine, small intestine
B. esophagus, stomach, small intestine, large intestine
C. stomach, esophagus, large intestine, small intestine
D. trachea, stomach, small intestine, large intestine Hurry!!​

Answers

Answer 1

Answer:

B :)

Explanation:

Trachea is were oxygen is entered :D (5 stars?)


Related Questions

AgCl is..
A)an element
B)a compound
C.)a mixture

Answers

It is an A compound

Answer:

(B)

Explanation:

Silver chloride is a simple ionic compound consisting of the silver cation (Ag+) and chloride anion (Cl-).

which term names a small icy object that orbits the sun?

Answers

Answer:

It a comet

Explanation:

that why they are also called dirty snowballs

Answer:

A comment

Explanation:

Because I took the test and that 100 and because comets are icy and sometimes lead tale of water droplets behind them

A sample of air has a volume of 140.0 mL at 67C. To w
hat temperature must the gas
be lowered to reduce its volume to 50.0 mL at constant pressure?​

Answers

Answer:

What that means is that when pressure and number of moles are kept constant, increasing the temperature will result in an increase in volume. Likewise, a decrease in temperature will result in a decrease in volume. In your case, the volume of the gas decreased by a factor of about 3, from "140.0 mL" to "50.0 mL".

An example of a double replacement chemical reaction takes place in batteries. In an alkaline battery, Manganese oxide reacts with water to form a different manganese oxide and hydroxide. Which is the correct balanced equation for this?

Answers

Answer:

2MnO2 + H2O => Mn2O3 + 2OH is the correct balanced equation.

When manganese oxide reacts with water to form a different manganese oxide and hydroxide, the correct balanced equation for this is 2MnO₂ + H₂O ⇾ Mn₂O₃ + 2OH.

What do you mean by balanced chemical equation ?

The term balance chemical equation is define as the equation which satisfy the law of conservation of mass, i.e., “Total mass of the products is equal to the total mass of all the reactants”.

If a chemical equation is not balanced, it will break the law of conservation of mass. It will indicate that either mass is created or destroyed, which is impossible.

Balanced chemical equations have the equal number and type of each atom on both sides of the equation.  

Thus, When manganese oxide reacts with water to produce a different manganese oxide and hydroxide, the correct balanced equation for this reaction is 2MnO₂ + H₂O ⇾ Mn₂O₃ + 2OH.

To learn more about the balanced chemical equation, follow the link;

https://brainly.com/question/28294176

#SPJ2

can someone Fing answer this PLEASE! NOW
Chemical Reactions Performance Task


Description: A student conducted two different demonstrations in their science class that started with copper chloride (CuCl₂). They have provided you with the following data tables to help you determine if a physical change or chemical reaction occurred during the demonstrations.


Demonstration 1:



Reactants

substances at beginning of reaction

Products

substances at the end of the reaction

Substance

(Chemical Formula)

Copper Chloride

(CuCl₂)

Water

(H₂O)

Copper Chloride

(CuCl₂)

Water

(H₂O)

Properties

Density: 2.51 g/cm³

Melting Point: 100ºC

Boiling Point: 993ºC

Density: 1 g/cm³

Melting Point: 0ºC

Boiling Point: 100ºC

Density: 2.51 g/cm³

Melting Point: 100ºC

Boiling Point: 993ºC

Density: 1 g/cm³

Melting Point: 0ºC

Boiling Point: 100ºC


Based on the patterns (similarities and differences) in the properties of the reactants and products in the table above, is this a physical or chemical reaction? Cite specific evidence from multiple properties in the data table to support your answer. (5pts)

Claim



Evidence



Reasoning





Demonstration 2:



Reactants

substances at beginning of reaction

Products

substances at the end of the reaction

Substance

(Chemical Formula)

Copper Chloride

(CuCl₂)

Iron

(Fe)

Iron Chloride

(FeCl₂)

Copper

(Cu)

Properties

Density: 2.51 g/cm³

Melting Point: 100ºC

Boiling Point: 993ºC

Density: 7.86 g/cm³

Melting Point: 1538ºC

Boiling Point: 2682ºC

Density: 3.16 g/cm³

Melting Point: 677ºC

Boiling Point: 1023ºC

Density: 8.96 g/cm³

Melting Point: 1085ºC

Boiling Point: 2562ºC


Based on the patterns (similarities and differences) in the properties of the reactants and products in the table above, is this a physical or chemical reaction? Cite specific evidence from multiple properties in the table to support your answer. (5pts)

Claim



Evidence



Reasoning





Using the data from Demonstrations 1 and 2, fill out the table below to describe the difference between a physical and chemical reaction in terms of the rearrangement and/or conservation of atoms and molecules. Choose conserved or not conserved for atoms. Choose rearranged or not rearranged for molecules. (4pts)




Physical Changes

Chemical Reactions

Atoms:

(conserved/not conserved)





Molecules

(Rearranged/Not rearranged)

Answers

Answer:

Need to broken down more.

Explanation:

Answer:

its FIND NOT fing

Explanation:

What mass of solute is needed to prepare each of the following solutions?
a. 1.00 L of 0.125 M K2SO4
b. 375 mL of 0.015 M NaF
c. 500 mL of 0.350 M C6H12O6

Answers

Answer:

a. 21.7824 g

b. 0.2362 g

c. 31.5273 g

Please see the answers in the picture attached below.

Explanation:

Please see the step-by-step solution in the picture attached below.

Hope this answer can help you. Have a nice day!

The mass of solute required in each case can be obtained form the stoichiometry of the reaction.

We know that the mass of each solution can be obtained from the relation;

mass/molar mass = concentration × volume

mass = concentration × volume × molar mass

a)

mass =  0.125 M  ×  1.00 L ×  174 g/mol = 21.75 g

b) mass = 0.015 M  × 375 /1000 × 42 g/mol = 0.24 g

c) mass = 0.350 M × 500/1000 × 180 g/mol =31.5 g

Learn more: https://brainly.com/question/9743981

Consider the total ionic equation below.

Ba2+ + 2NO3 + 2Na+ + Co3 —BaCO3 + 2Na+ + 2NO3

Which is the net ionic equation for the reaction?

O Ba2+ + C03 —> BaCO3

© 2Na+ + co} → Na2CO3

NO3 + Na* —> NaNO3

O Ba2+ + 2NO3 →→ Ba(NO3)2

Answers

Answer:

Ba²⁺ + CO₃²⁻ → BaCO₃

Explanation:

A net ionic equation is a way to write a chemical reaction in which you list only the species that are participating in the reaction.

For the reaction:

Ba²⁺ + 2NO₃ + 2Na⁺ + CO₃²⁻ → BaCO₃ + 2Na⁺ + 2NO₃

As you can see, NO₃ and Na⁺ are not participating in the reaction. Thus, net ionic equaation is:

Ba²⁺ + CO₃²⁻ → BaCO₃

Complete Question

Consider the total ionic equation below.

[tex]Ba^{2+} + 2NaO_3^{1 -} + 2Na^{+} + CO_3^{2-} ----> BaCO_3 + 2Na^{+} + 2NO_3^{1-}[/tex]

Which is the net ionic equation for the reaction?

A [tex]Ba^{2+} _{(aq)} + CO_3 ^{2-} _{(aq)} ----> BaCO_3_{(s)}[/tex]

B [tex]2Na^+ + CO_2 ----> Na2CO3[/tex]

C [tex]NO3 + Na ^ + ----> NaNO3[/tex]

D   [tex]Ba_2^+ + 2NO3 ----> Ba(NO3)2[/tex]

Answer:

Option A is the correct option

Explanation:

The given ionic equation is

       [tex]Ba^{2+} + 2NaO_3^{1 -} + 2Na^{+} + CO_3^{2-} ----> BaCO_3 + 2Na^{+} + 2NO_3^{1-}[/tex]

Looking at this complete ionic equation we see that [tex]Na^{+1} \ and \ NO_3^{1-}[/tex] did not change in the reaction so they will not be included in the net ionic equation so the net ionic equation becomes

         [tex]Ba^{2+} _{(aq)} + CO_3 ^{2-} _{(aq)} ----> BaCO_3_{(s)}[/tex]

when does thermal energy stop moving

Answers

Answer:

at absolute zero.

Explanation:

absolute zero or 0 kelvin, is where all kinetic movement of electrons ceases in a molecule.

Please help

What causes a wave to have a higher amplitude?

Answers

Answer:

More energy

Explanation:

Wave amplitude is determined by the energy of the disturbance that causes the wave. A wave caused by a disturbance with more energy has greater amplitude.

Answer:

energy of the disturbance

Explanation:

........ btw bts paved the way I saw you was army and thought I would say that

What is the solvent in blood?

Answers

Answer:

Water serves to suspend the red blood cells to carry oxygen to the cells. It is the solvent for the electrolytes and nutrients needed by the cells, and also the solvent to carry waste material away from the cells. With water as the solvent, osmotic pressure acts to transport the needed water into cells.

Explanation:

Which of the following human activities can increase the risks of flooding?

Answers

deforestation i hope this helps

Answer:

Deforestation and Cultivation

Explanation:

First I am going to give the definition of deforestation:

Deforestation is basically the removal of trees.

The removal of trees leaves leaves very little vegetative cover to hold heavy rain fall. This is why mudslides and things happen. When the land is clear and flat, the water keeps on going instead of going into the soil. That water that keeps on going is called runoff water. If we planted trees by the rivers, that could take down the height of the floods in towns by 20%

At first I was going to say widening rivers, but that is a way to manage river water. When we lengthen the river, it is so that the water can take more time to reach the river canal.

Definition of Cultivation: The production of food by preparing the land to grow crops (especially on a large scale) animal husbandry - breeding and caring for farm animals. agriculture, tree farming - the cultivation of tree for the production of timber.

I was also going to say Cultivation. Over-cultivation is the excessive use of farmland to the point where productivity falls due to soil exhaustion or land degradation. Now this is actually why we have floods in the USA. The soil cannot soak up any water, therefore the water over flows and that is when a flood starts to happen.

I know this took some time but hope I could help :)

what percentage of water on earth is fresh water

Answers

Answer:

only 2.5% is fresh water on earth

Answer:

The answer is 3%

Explanation:

Could somebody answer these questions for me? Thanks!

1. What percentage of the earth is covered by water?

2. What sorts of signals does the brain use to communicate sensations, thoughts and actions?

3. Did dinosaurs and humans ever exist at the same time?

4. What is Darwin's theory of the origin of species?

5. Why does a year consist of 365 days and a day of 24 hours?

Answers

Explanation:

1) %70 earth is water and %30 is land.

2)" The single cells in the brain communicatethrough electrical and chemical signals.

3) b'coz earth revolve around the sun in365 days and rotates on its axis in 24 hours. It takes 365 days , because it takes that much time to complete one revolution and it takes 24 hours,because it takes time to complete one rotation as mercury takes 81 earthdays to complete one revolution.

4) Human originated from Adam And Eve.

Compare and contrast monoprotic and polyprotic acids.

Answers

a monoprotic acid is an acid that can donate only one proton, while polyprotic acid can donate more than one proton. Similarly, a monoprotic base can only accept one proton, while a polyprotic base can accept more than one proton.

* I’ll give you BRAINLIST * ( have to get it right ) Joshua has learned that the human body is made up of many body systems that work together to function for life. Which of the following does NOT
provide an example of two human body systems working together?

Answers

Answer:

Kidney & lungs

heart & bladder

bladder & lungs

Explanation:

HOPE THIS HELPS

If 23.6 grams of a substance reacts with 42.5 grams of another substance, what would we expect the mass of the products to be after the reaction?

Answers

Answer:

The correct answer is 66.1 g

Explanation:

According to Law of Conservation of the Mass, the mass of an isolated system is neither created or destroyed during chemical reactions. It is transformed. So, in a chemical reaction, the atoms of reactants are reoganizated by forming other compounds but the mass is conserved. Thus, the total mass of reactants is always equal to the total mass of products. If 23.6 g of a substance reacts with 42.5 g of another substance, the total mass of the products will be equal to the total mass of reactants:

23.6 g + 42.5 g = 66.1 g reactants = 66.1 g products

A sample of water is heated from 10.0 degrees Celcius to 15.0 degrees Celcius by the addition of 125 Joules of heat. What is the mass of the water?

Answers

Answer:

125 = 5*4.186*m

m = 125 / 5*4.186 = 5.97g of water.

Explanation:

The water is increased by 5 degrees. This means that for every gram of water, it takes 5*4.186 J to increase the temperature by 5 degrees, aka 5*4.186 J/g

hope this help:)

A chemistry student mixes 25 milliliters of 3.0 M hydrochloric acid (HCl) with excess sodium hydroxide. The chemicals react according to this chemical equation:

HCl + NaOH → NaCl + H2O.

If the volume of the resulting solution is 68 milliliters, what is the concentration of sodium chloride?

Answers

Answer:

1.1 mol/liter

Explanation:

You would use the M1V1 = M2V2 equation to solve this.

We know M1 is 3.0 M, V1 is 25 milliliters, and V2 is 68 milliliters. We need to find M2.

To find M2, first plug in what you know.

(3.0 M)(25 mL) = M2(68 mL)

Then, divide everything by 68 mL to get M2 by itself

Your answer should be a quite large decimal but I rounded it to 1.1 mol/liter.

Answer:

The concentration of sodium chloride is 1.1 moles/liter.

Explanation:

A sample of carbon dioxide occupies a volume of 1.50L at 165KPå pressure. What pressure would the gas exert if the volume was increased to
2.5L?

a.0.023 kPa
b. 275 kPa
c. 99 L
d. 99 kPa​

Answers

Answer:

B. 275 kPa

Explanation:

Since we need to find the greater value, because 1.50<2.5, then the only greater value would be 275 kPa.

10 mL of 6 M HCL are diluted to 1 L with distilled water. What is the molarity of the dilute solution?

Answers

Answer:

The correct answer is 0.06 M

Explanation:

The concentration of the dilute solution (Cd= dilute concentration) can be calculated from the concentrated solution (Cc) and the volumes (Vi and Vf) as follows:

Cc x Vc = Cd x Vd

Cd = (Cc x Vc)/Vd

We have:

Cc= 6 M

Vc = 10 ml (volume of concentrated solution)

Vd= 1 L= 1000 ml (volume of dilute solution)

⇒Cd= (6 M x 10 ml)/1000 ml

  Cd = 0.06 M

HELP MEHHHHH were does the first stage of cellular respiration occur ?

Answers

Answer:

mitochondria

Explanation:

Cellular respiration occurs primarily in the mitochondria of your cells. The mitochondria is like the powerhouse of cells .

Explain why matter takes space

Answers

Due to the exclusion principle and other fundamental interactions, some "point particles" known as fermions (quarks, leptons), and many composites and atoms

Which system produces immune cells?
A. circulatory
B. lymphatic
C. skeletal
D. respiratory

Answers

B. i think.

hope i helped! :)

Which statement best describes the difference between nuclear fission and nuclear fusion reactions?

Answers

Answer:

They are both nuclear reactions that produce energy.

Fission is the splitting of heavy, unstable nucleus into two lighter nuclei.Fusion is the process where two light nuclei combine together (this process releases a vast amount of energy)

Both fission and fusion are nuclear reactions that produce energy, but the applications are not the same. Fission is the splitting of a heavy, unstable nucleus into two lighter nuclei, and fusion is the process where two light nuclei combine together releasing vast amounts of energy

does gravity affect the orbit of the international space ​

Answers

Answer:

yes

Explanation:gergrgregbfbwerbebw

In the following reaction 6.13g of water (H,O) is produced the theoretical
yield of water (H,O) is 8.17g, what is the percent yield of water?*
C3H8+ 5 O2 → 3 CO2 + 4 H2O
85.0%
72.0%
75.0%
0 67.0%

Answers

The answer 75.0 fam good luck

Find [H3O+], [OH-], & pOH for a window-cleaning solution whose pH is 4.33.

Answers

Answer:

[tex][H_3O^+] = 1*10^{-4.33} \ M[/tex][tex][OH^-] = 1*10^{-9.67} \ M[/tex][tex]pOH = 9.67[/tex]

Explanation:

Given;

pH of the solution = 4.33

H₃O+ is calculated as;

pH = -log[H₃O⁺]

4.33 = -log[H₃O⁺]

-4.33 = log[H₃O⁺]

10⁻⁴°³³ = [H₃O⁺]

[tex]Thus, [H_3O^+] = 1 *10^{-4.33}[/tex] M

[OH⁻] is calculated as;

[H₃O⁺] x [OH⁻] = 10⁻¹⁴

10⁻⁴°³³ x [OH⁻] = 10⁻¹⁴

[tex][OH^-] = \frac{10^{-14}}{10^{-4.33}} = 10^{-9.67}\\\\Thus, [OH^-] = 1*10^{-9.67} \ M[/tex]

pOH of the solution is calculated as;

pOH  +  pH = 14

pOH  + 4.33 = 14

pOH  = 14 - 4.33

pOH = 9.67

Thus, pOH of the solution is 9.67

Summary of the calculation:

[tex][H_3O^+] = 1*10^{-4.33} \ M[/tex][tex][OH^-] = 1*10^{-9.67} \ M[/tex][tex]pOH = 9.67[/tex]

1. Why is hot air hot?

Answers

Answer:

Explanation:

Radiation from the sun heats the ground, then the ground heats the air by process of conduction. When that happens air temp. and density start to change causing air convection currents. Hope I help.

why do we see only one side of the moon from earth?

Answers

Answer:

The moon's period of rotation and revolution are equal

What is the general word equation for salt formation by neutralization?
a. Metal + nonmetal
b. Acid + metal
c. Base + nonmetal
d. Acid + base

Answers

Answer:d. Acid+base

Explanation:

Because, The general word equation for salt formation by neutralization is acid + base = salt + water.

Answer:

D ACID + BASE

Explanation:

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Help with this one! Show steps pls The removal of which tropic level of the food chain would have the biggest effect on the ecosystem? Sara Bought a computer that was originally priced at $896.The computer was on sale for 12% off. When she bought the computer, a 7% tax was added to the sale price. How much did Sara spend on the computer. Round to the nearest cent! A sphere of radius 10.0cm is moulded into a uniform cylindrical wire of same radius r calculate length in millimeters the best way to improve a thesis sentence 100 points!The following data shows the weight, in pounds, of 6 boxes:5, 3, 3, 4, 5, 4What is the value of the mean absolute deviation of the weight of the boxes, and what does it represent about the weight of a box? A))1.2 pounds; on average, the weight of a box varies 1.2 pounds from the mean of 4 pounds B))0.7 pound; the weight of 50% of the boxes is greater than 0.7 poundC)) 1.2 pounds; the weight of 50% of the boxes is greater than 1.2 pounds D))0.7 pound; on average, the weight of a box varies 0.7 pound from the mean of 4 pounds What precautions should be made to be sure that there is little chance of negative consequences from an oil spill? Help!! QUICKLY!! LESS LOOKING MORE ANSWERING!! Juanito looked out the window and saw 20 bicycles and skateboards. There were a total 52 wheels. How many of each did he see , steps ? Cuando pones la mesa en tu casa What is the equation of the line passing through the points (-2, 2) and (3,-1)?A.5y=--x+ -3 34B.C.y = x-43 4y=-*+-5 5Dy = -3x + 8 How did the Haymarket Riot of 1886 affect unions such as the Knights of Labor? A. It led many people to view unions as radical and dangerous. B. It enhanced the power of unions. C. It resulted in an increase in wages that reduced the need for unions. D. It led the U.S. government to settle labor disputes through compulsory arbitration. EASY MATH AND GET POINTS!How many blocks with dimensions of One-third times 1 times 1 can fit in a unit cube?A block has a length of one-third, height of 1, and width of 1.2369 helpppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp Were the offspring of this organism uniformmeaning they look the same as each other and the parent, or were they diversemeaning they express a variety of appearances? Explain your answer. Select all that apply to the graph COROName three ways that scientists can ensure their resultsare reliable How did citizens take part in running their "polis"????A. Citizens were able to govern because they owned the landB. citizens had the right to vote in their polisC. Citizens built their agoraD. citizens could trade goods with other city-states Which word means 'to revive or bring back?'Group of answer choicesinadequatescarcityresuscitateagonize Which organisms are the best example of producers in a food web?killer whaleszooplanktonkrillmarine phytoplankton