the chemical and mechanical processes of food breakdown are called ________.

Answers

Answer 1

Answer:

digestion

Explanation:


Related Questions

An alkyne with the molecular formula C5H8 was reduced with H2 and Lindlar's catalyst. Hydroboration-oxidation of the resulting alkene afforded a primary alcohol. What is the IUPAC name of the alkyne starting material

Answers

Since the addition of the H2O in the last step of hydroboration is anti-Markovnikov, the starting material is 1-pentyne.

The addition of H2 to C5H8 yields an alkene when a Lindlar catalyst is used. Recall that the Lindlar catalysts poisons the process so that the addition do not go on to produce an alkane.

When hydroboration is carried out on the alkene, we are told that a primary alcohol was obtained. We must note that in the last step of hydroboration, water is added in an anti- Markovnikov manner to yield the primary alcohol. Hence, the starting material must be 1-pentyne as shown in the image attached.

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what type of bond is between H2?

Answers

Explanation:

covalent bond enjoy your anseer

The secondary structures shown in the protein are Question 12 options: A) α-helices and ß-pleated sheets. B) ß-pleated sheets. C) globular structures. D) α-helices.

Answers

Answer:

A. a- helixes and B-pleated sheats

Explanation:

A helical (a-helix) or flattened sheets (B-pleated sheet) like structures are established between opposite charge bearing groups of different amino acids are called Secondary Structures.

Explain why oxygen relights a glowing splint?​

Answers

Answer:

Oxygen gas relighting a glowing splint. The oxygen gas is produced by the decomposition of hydrogen peroxide, which is squirted into a test tube containing the decomposition catalyst manganese (IV) oxide. When the glowing splint is introduced to the test tube, it bursts back into flame when it contacts the oxygen.

Explanation:

hope its help

Oxygen relights a glowing splint due to its role as a strong oxidizer. When a glowing splint is inserted into an environment containing oxygen, it triggers a rapid combustion reaction.

Oxygen readily reacts with the fuel source on the splint (typically carbon compounds), providing the necessary oxygen molecules for the combustion process.

This exothermic reaction releases heat and light energy, causing the splint to re-ignite.

Oxygen's ability to support combustion is vital for many natural processes and industrial applications, as it enables the release of energy stored in various substances, highlighting its importance in sustaining life and various chemical reactions.

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How long does it take for eggs to get to room temperature

Answers

Takes 30 mins for the egg to reach room temperature

2. For each of the six elements aluminium (Al), boron (B), nitrogen (N), oxygen (O) phosphorus (P), sulfur (S), write down:
a. the period of the periodic table to which it belongs.
b. its group number in the periodic table.
c. its proton number (atomic number).
d. the number of electrons in one atom.
e. its electronic configuration.
f. the number of outer-shell electrons in one atom.
g. Which of the above elements would you expect to have similar properties?

Answers

2. For each of the six elements aluminium (Al), boron (B), nitrogen (N), oxygen (O) phosphorus (P), sulfur (S), write down:

a. the period of the periodic table to which it belongs.

b. its group number in the periodic table.

c. its proton number (atomic number).

d. the number of electrons in one atom.

e. its electronic configuration.

f. the number of outer-shell electrons in one atom.

g. Which of the above elements would you expect to have similar properties?

Elements in the same group of the periodic table tend to have similar chemical properties

What is the periodic table?

For Al;

a. Period: Period 3

b. Group: Group 13

c. Proton Number (Atomic Number): 13

d. Number of Electrons: 13

e. Electronic Configuration: 1s² 2s² 2p⁶ 3s² 3p¹

f. Number of Outer-Shell Electrons: 3

g. Similar Properties: Boron (B)

For Boron (B):

a. Period: Period 2

b. Group: Group 13

c. Proton Number (Atomic Number): 5

d. Number of Electrons: 5

e. Electronic Configuration: 1s² 2s² 2p¹

f. Number of Outer-Shell Electrons: 3

g. Similar Properties: Aluminium (Al)

For Nitrogen (N):

a. Period: Period 2

b. Group: Group 15

c. Proton Number (Atomic Number): 7

d. Number of Electrons: 7

e. Electronic Configuration: 1s² 2s² 2p³

f. Number of Outer-Shell Electrons: 5

g. Similar Properties: Phosphorus (P)

For Oxygen (O):

a. Period: Period 2

b. Group: Group 16

c. Proton Number (Atomic Number): 8

d. Number of Electrons: 8

e. Electronic Configuration: 1s² 2s² 2p⁴

f. Number of Outer-Shell Electrons: 6

g. Similar Properties: Sulfur (S)

For Phosphorus (P):

a. Period: Period 3

b. Group: Group 15

c. Proton Number (Atomic Number): 15

d. Number of Electrons: 15

e. Electronic Configuration: 1s² 2s² 2p⁶ 3s² 3p³

f. Number of Outer-Shell Electrons: 5

g. Similar Properties: Nitrogen (N)

For Sulfur (S):

a. Period: Period 3

b. Group: Group 16

c. Proton Number (Atomic Number): 16

d. Number of Electrons: 16

e. Electronic Configuration: 1s² 2s² 2p⁶ 3s² 3p⁴

f. Number of Outer-Shell Electrons: 6

g. Similar Properties: Oxygen (O)

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discussing the importance of the intelligence cycle in order to come up with intelligence

Answers

Answer:

Intelligence Analysis in a Cycle. Analysis resides within the larger intelligence cycle. The intelligence cycle determines the daily activities of the Intelligence Community. It starts with the needs of the intelligence "consumers' such as policymakers, military officials, and other decision makers who need intelligence for their activities.

Explanation:

can i get brainlist

Answer:

The Intelligence Community's daily activities are determined by the intelligence cycle. It begins with the requirements of intelligence "consumers," such as policymakers, military officials, and other decision-makers who require intelligence to carry out their tasks.

Explanation:

Hope it helps

A doctor who specializes in treating diseases of nervous system

neurologist

nephrologist

ophthalmologist

cardiologist

Answers

the answer is neurologist

Complete the sentence. When a base is added to water, hydrogen ions __________.

Answers

Answer:

Explanation:

Decreases

Answer:

Hydrogen ions decrease. It reduces the concentration of ions.

Explanation:

How many silicon atoms are in a typical computer microchip (0.001 g of silicon)?

Answers

The number of silicon atoms in atypical computer chips(0.001g of silicon) is 2.14 × 10¹⁹ atoms

The atomic mass of silicon = 28.0855 amu

Using the mole concept that 1 mole = 6.022  × 10²³.

This number is called the Avogadro's number.

Therefore,

1 mole /  28.0855g  of silicon contains 6.022  × 10²³ atoms of silicon

0.001 g will contain ? atoms of silicon

cross multiply

number of atoms of silicon = 6.022  × 10²³ × 0.001 / 28.0855

number of atoms of silicon = 6.022 × 10²⁰ / 28.0855

number of atoms of silicon = 2.14 × 10¹⁹ atoms

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Solve the following problem. What is the mass of the object if it has a density of 657 g/mL and a volume of 32 mL?

Answers

Answer:

21,024 g

Explanation:

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

mass = Density × volume

From the question we have

mass = 657 × 32 = 21,024

We have the final answer as

21,024 g

Hope this helps you

Which are characteristics of matter? (Select all that apply)

A. Created from mixtures

B. Takes up space

C. Makes up atoms

D. Has mass

Answers

Answer:

B and D.

Explanation:

Matter takes up space and has mass.

Answer:

B and D

Explanation:

It is because matter is anything that has mass (weight) and can occupy space

Which of these metric prefixes represent 1000?


(A). Centi

(B). Ecto

(C). Kilo

(D). Milli

Answers

The answer would be c

Elige la respuesta que mejor describe cómo difieren el Monte Everest y el Valle de la Muerte.
El Monte Everest es plano y el Valle de la Muerte es el punto más alto de la Tierra.
O El Monte Everest es el punto más alto de la Tierra, y Death Valley es una montaña más pequeña.
El Monte Everest es el punto más alto de la Tierra, y el Valle de la Muerte es relativamente plano.

Answers

Answer:

El Monte Everest es el punto más alto de la Tierra, y el Valle de la Muerte es relativamente plano.

Explanation:

Please help! Its due now!

Answers

Answer:

PARTICLES!

I hope I was on time! Cheers! :^)

The third one I think


What happens to the speed of the particles of the physics book?

Answers

Answer:

the physics book particales speed up and when you move the chemistry book

Answer:

The speed of the particles of the physics book increases when the chemistry book slides across the physics book.

Explanation:

i got it right when i did this

Are crystals of different soluble solids similar?​

Answers

Crystals of different soluble solids  are not similar because they are  amorphous and   therefore  do not have definite crystals.

What are crystal solids?

A crystalline solid is a homogeneous solid in which the constituent particles, atoms, ions or molecules are arranged in a definite repeating pattern.

Most of the solid substances are crystalline in nature. The arrangement of particles in a crystalline solid is such that the total intermolecular force of attraction is at maximum.

Factors in which solubility depends are temperature, pH, and ionic strength.

Crystals of different soluble solids are not similar as they do not have definite crystals.

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the balloon was filed with perfume. How did the fragrance get out from the balloon? Name the process occured??​

Answers

Answer:

what tell me in your mojule

Explanation:

mmmmm

6. (04.02 MC) Two chemical reactions are shown:

A. Ca(OH)2 → CaO + H2O
B. 4K + O2 → 2K2O

Which statement is true? (4 points)

A) Both are synthesis reactions.
B) Both are decomposition reactions. C) A is a synthesis reaction, and B is a decomposition reaction.
D) A is a decomposition reaction, and B is a synthesis reaction.

Answers

A. Ca(OH)₂ → CaO + H₂O is a decomposition reaction

B. 4K + O₂ → 2K₂O is a synthesis reaction.

The correct answer to the question is Option (D) A is a decomposition reaction, and B is a synthesis reaction.

A decomposition reaction is a reaction in which a large compound is broken into two or more products for example:

XY —> X + Y

A synthesis reaction is a reaction in which two or more substances combine to produce a single product. For example

C + D —> CD

With the above information in mind, we conclude that:

A. Ca(OH)₂ → CaO + H₂O is a decomposition reaction

B. 4K + O₂ → 2K₂O is a synthesis reaction.

The correct answer to the question is Option (D) A is a decomposition reaction, and B is a synthesis reaction.

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Answer:

d

Explanation:

The process of burning means to react a substance with:

Answers

it’s oxygen i’m pretty sure

What is the concentration of a solution containing 1.0 g of sodium hydroxide in 250 cm³ of solution?

A- 0.025 mol/dm³
B- 0.10 mol/dm³
C- 0.25 mol/dm³
D- 1.0 mol/dm³​

Answers

Answer:

Correct option is

D-1.0mol/dm³

Mass of NaOH (m) = 1g

The volume of water (V) = 250 ml

Mol. wt of NaOH (m) = 40g/mol

Molarity (M) =M×V(ml)m×1000

M=40×2501×1000

M=101 or 0.1 M

what are the only elements that exist in nature as uncombined

Answers

Answer:

The noble gases (Argon, Neon, Xenon, Helium, Krypton, Radon)

A car travels 76 km/hr for 11 hours. How far did the car travel in this time period (in kilometers)?

Answers

Answer:

836 km

Explanation:

76*11=836

Answer:

836km

Explanation:

76km/hr = 76×1000÷3600= 190/9 m/s

11hours =39600 s

Distance=speed×time

Distance=190/9 × 39600= 836,000m

So distance is 836,000m or 836 km.

This method is possible only if body is moving linearly and the velocity is constant.

If there is uniform acceleration use Newton's laws of motion.

If is acceleration is varying then use calculus methods.

20. At STP, an element that is a solid and a
good conductor of heat and electricity
could have an electron configuration of
(1) 2-7
(2) 2-8-8
(3) 2-8-5
(4) 2-8-18-2
20

Answers

Answer:

4

Explanation:

Zinc

which ionization process requires the most energy?

Answers

Answer:

the second ionization energy

Explanation:

The second ionization energy is always larger than the first ionization energy, because it requires even more energy to remove an electron from a cation than it is from a neutral atom.

(what is the meaning of aids?) (what is the meaning of cushions?) (name 5 citrus fruits) ( what are antibodies?) (what are hormones?)​

Answers

Answer:

Aids mean

a disease in which there is a severe loss of the body's cellular immunity, greatly lowering the resistance to infection and malignancy.

Cushions mean

a swollen floral system on which several small flowers are borne.

sweet mangogrape fruitpineapplelimelemon

What are antibodies

this is a blood protein produced in respond to an counteracting a antigen.

What are hormones

these are chemicals that the body releases during a period of time

Explanation:

When Newton started studying gravity, the concept of gravity was already in place.
A. True
B. False

Answers

True I hope this helps

What is the density of a 36 g object with a volume of 15 cm3? (Density: D = ) 0. 42 g/cm3 0. 54 g/cm3 2. 4 g/cm3 5. 4 g/cm3.

Answers

Answer:

2.4 g/cm3 is the correct answer.

Explanation:

Hope this helps

A precious metal is _________________ a. An element with super and electric and thermal conductivity, high luster, and sensitivity. B. A highly sought after dense, shiny, soft precious metal that has been used as money for many centuries. C. An highly valuable element with super and electric and thermal conductivity, high luster, and sensitivity. D. A soft, sensitive, and lustrous element with the highest conductivity of any element. Please select the best answer from the choices provided A B C D.

Answers

Answer:

c.

an highly valuable element with super and electric and thermal conductivity, high luster, and sensitivity.

Explanation:

A precious metal is a highly valuable element with super and electric and thermal conductivity, high luster, and sensitivity, hence option C is correct.

How precious metal is differed from the base metal?

Rare metallic chemical elements with a high economic value are known as precious metals. The valuable metals are often less reactive chemically than most elements.

Iron-free metals and alloys are not considered base metals. Base metals have a propensity to tarnish, oxidize, or corrode with time or when exposed to the environment, in contrast to valuable metals.

Base metals typically cost less than precious metals since they are more plentiful in nature and sometimes easier to mine.

Therefore, a precious metal is a highly valuable element with super and electric and thermal conductivity, high luster, and sensitivity.

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What happens when potassium forms an ion?

Answers

Answer:

It loses an electron and has an octet in the next-lowest energy level

Explanation:

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