Acids help digest proteins by: group of answer choices neutralizing them false partially denaturing them true preventing their absorption false cleaving pepsinogen true

According to solubility rules, water insoluble  compound should not dissolve in water.

Solubility is defined as the ability of a substance which is basically solute to form a solution with another substance. There is an extent to which a substance is soluble in a particular solvent. This is generally measured as the concentration of a solute present in a saturated solution.

The solubility mainly depends on the composition of solute and solvent ,its pH and presence of other dissolved substance. It is also dependent on temperature and pressure which is maintained.

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Answer:10g of Fe produces 14.37g of Fe2O3

7g of O2 produce 46.84g of Fe2O3

Explanation:

p [OH-] = -log[OH-]= -log ( 1x10^-11M) = 11

we know that

p[OH-] + p[H+] = 14

so p[H+] = 14- p[OH-] = 14- 11 = 3

pH = 3, answer

The description of people (or other beings but rather things) in theatrical and literary works is known as characterization as well as characterization.

Character development would be occasionally used interchangeably.

Characterization would be a literary strategy that is employed in literature piece by piece to emphasize and clarify the specifics of a character in a narrative. The screenwriter establishes the character in the first act with such a definite emergence.

There are few type of Characterization.

(i)Interaction.

(ii)feelings/thoughts of the characters.

(iii)both the character's as well as other people's responses to the character.

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The ΔU for candy is  35.68kJ/g.

The HHV of a biomass fuel is calculated using a bomb calorimeter, which measures the heat released during the combustion of a specific amount of biomass sample. Following each test, a small amount of sample fuel is ground and diluted so that it will fit inside a capsule and be used in a bomb.

Mass of Candy = 0.2g

Mass of water = 2000 g

specific heat of water = 4.184 5g⁻¹°c⁻¹

Initial temperature = 25.00°C

final  temperature = 25.47°C

Change in temperature = final- Initial

Change in  temperature = 25.47-25.00

ΔT = 0.47°C

specific heat of calorimeter = 700J/k

Thus, Heat produced by the combustion of candy is absorbed by water and calorimeter.

Hence,

ΔU = Heat absorbed by water +  Heat absorbed by calorimeter

ΔU = mass × specific heat × ΔT + specific heat × ΔT

ΔU = 2000 × 4.184 × 0.79 + 700 × 0.79

ΔU = 6.604 kJ + 0.532kJ

ΔU = 7.136kJ.

Thus, 0.2g of candy produced heat = 7.136kJ

1g of candy produced heat = 7.136/0.2 = 35.68kJ/g

Thus ΔU for candy =  35.68kJ/g.

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Answer:

BaSO₄ has 4 oxygens. Ba(OH)₂ has 2 oxygens.

Explanation:

The number of any one element is the coefficient times the subscript of that element. In BaSO₄, the coefficient is 1 and the subscript for oxygen is 4. In Ba(OH)₂, the coefficient is 1 and the subscript is 2. In Ba(OH)₂, the subscript is outside the () because OH⁻ is an ion and the subscript applies to both elements in the ().

Answer:

2

Explanation:

Answer:

I think it is b

Explanation:

Answer:

Water vapour (more than 60%)

Answer:

15 degree's

Explanation:

it is when sound travels at its lowest

Answer:

The defect of vision suffered by the person is Myopia

Explanation:

The person can't see farther objects but is able to read a book which is placed closely to the eyes, using these observations the person is suffering from MYOPIA(nearsightedness) in which observer see close objects clearly but farther objects appear blurred.

The light entering the eye isn't correctly bent, the eyeball becomes big , or the eye lens become too converging, which converges the light ray in front of the cornea

This defect can be cured by using concave lenses.

The majority of ventricular filling occurs while the ventricles and atria are in the diastole state.

During the cardiac cycle, the heart undergoes alternating phases of contraction and relaxation. Diastole refers to the relaxation phase when the heart chambers are filling with blood. The cardiac diastole consists of two main phases: early diastole and late diastole. The majority of ventricular filling occurs during the late diastole phase.

In this phase, both the ventricles and atria are in a relaxed state, allowing blood to flow passively from the atria into the ventricles. The atria receive blood from the veins and contract slightly to push the remaining blood into the ventricles before ventricular contraction begins. This passive filling of the ventricles accounts for most of the blood volume entering the ventricles before they contract during systole.

Thus, the ventricular filling occurs primarily during the diastole state, particularly during the late diastole phase when the ventricles and atria are relaxed.

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Answer:

See explanation

Explanation:

If you look closely at the image attached, you will discover that the order of increasing wavelength in the visible spectrum is;

violet < indigo< blue < green < yellow < orange < red

On the order hand, the energy of the photons increases in the order;

Red < orange < yellow < green < blue < indigo < violet

Since energy follows a trend opposite to that of wavelength, we can see that the greater the wavelength of light, the lower the energy of photon corresponding to that particular colour.

3C⁻⁻ on reaction with HI gives I⁻⁻⁻ as the main products and not H⁻ and C₂H₅I.

When 3C⁻⁻ is reacted with HI, the reaction product obtained is I⁻⁻⁻ as the main product. The C₂H₅I and H⁻ are not produced in significant quantities and cannot be considered the main product.The 3C⁻⁻ compound reacts with HI in the presence of a solvent to produce hydrogen gas, H⁻, C₂H₅I, and I⁻⁻⁻. The primary product obtained is I⁻⁻⁻ because it is stable and has a higher energy than C₂H₅I and H⁻.However, the reaction can be controlled to obtain C₂H₅I and H⁻ as the primary products by changing the reaction conditions. The reaction must be carried out in anhydrous conditions and at a low temperature so that the reaction proceeds in the desired direction.

3C⁻⁻ on reaction with HI gives I⁻⁻⁻ as the main products and not H⁻ and C₂H₅I. However, the reaction can be controlled to obtain C₂H₅I and H⁻ as the primary products by changing the reaction conditions.

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Answer:

The breaking of chemical bonds never releases energy to the external environment. Energy is only released when chemical bonds are formed. In general, a chemical reaction involves two steps: 1) the original chemical bonds between the atoms are broken, and 2) new bonds are formed. These two steps are sometimes lumped into one event for simplicity, but they are really two separate events. For instance, when you burn methane (natural gas) in your stove, the methane is reacting with oxygen to form carbon dioxide and water. Chemists often write this as:

CH4 + 2 O2 → CO2 + 2 H2O + energy

Explanation:

here is the answer

Answer:

C. a blue solid dissolving in a water and changing the water to a blue colour

Explanation:

Second order consumers are organisms that feed on primary consumers, which in turn feed on producers. If the number of second order consumers were to increase, it could have both positive and negative effects on the ecosystem.

On the positive side, an increase in the number of second order consumers could help control the population of primary consumers. This could lead to a decrease in the competition for resources among primary consumers, which could in turn help maintain a healthier population of producers.

On the negative side, an increase in the number of second order consumers could also lead to a decrease in the population of primary consumers. This could result in a decline in the population of producers, which could ultimately have a negative impact on the entire ecosystem.

Overall, the effects of an increase in the number of second order consumers would depend on various factors, including the specific ecosystem and the dynamics of the organisms within it.

Answer:

Beta decay changes the atomic number of the nucleus by increasing the number of protons, by decreasing the number of neutrons while leaving the atomic mass essentially the same.

HCl is an acid, \(C_5H_5N\) is a base, Cl is an acid, and \(HC_5H_5N\) is an acid.

Acid-base reactions are the chemical reactions that occur when acids and bases are mixed together.

The reaction of acid and base is considered a neutralization reaction. In this chemical reaction, the acid reacts with a base to form salt and water.

Hence, HCl is an acid, \(C_5H_5N\) is a base, Cl is an acid, and \(HC_5H_5N\) is an acid.

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Answer:

Blue Whale

Explanation:

I hope this helps:)

Answer:

The blue whale!

Explanation:

Answer:

What?

Explanation:

The partial pressure of carbon dioxide on Venus is approximately 86.85 atmospheres.

If the atmospheric pressure on Venus is approximately 90 times greater than the pressure on Earth, and carbon dioxide makes up 96.5% of the Venusian atmosphere, we can calculate the partial pressure of carbon dioxide on Venus.

Let's assume the pressure on Earth is 1 atmosphere (atm). Then, the atmospheric pressure on Venus would be 90 atm.

To find the partial pressure of carbon dioxide on Venus, we multiply the total atmospheric pressure by the fraction of carbon dioxide in the atmosphere:

Partial pressure of carbon dioxide on Venus = Total atmospheric pressure on Venus * Fraction of carbon dioxide in the atmosphere

Partial pressure of carbon dioxide on Venus = 90 atm * (96.5 / 100)

Partial pressure of carbon dioxide on Venus = 90 atm * 0.965

Partial pressure of carbon dioxide on Venus ≈ 86.85 atm

Therefore, the partial pressure of carbon dioxide on Venus is approximately 86.85 atmospheres.

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Answer:

if it loses an electron, it becomes positively charged

Explanation:

If electrons are removed from an atom, then it has more positive charges than negative ones, and the atom has an overall positive charge. Positive ions are called cations. The sharing or exchanging of electrons is what forms bonds between atoms.

We have collected information from space organizations about the Jupiter, and we say that atmosphere of Jupiter is mainly composed of helium and hydrogen gas.

Atmosphere is the space where we are living and in this space gases are present.

We have not visited the Jupiter to collect samples, but the study done from the space and research organization provides the in formation that the atmosphere of Jupiter is composed of mainly helium and hydrogen gas with little amount of ammonia and methane also. Due to the present of these gases the atmosphere of Jupiter is dense.

Hence, the atmosphere of Jupiter is mainly composed of helium and hydrogen gas.

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Answer: (D) Thermal

Explanation: This is Thermal because it is the only one that makes sense  

Fully reacting an aldehyde with an alcohol will produce an acetal.

What is an acetal?

Acetal is a functional group consisting of two ether groups bonded to the same carbon atom. It's also called a 1,1-dialkoxyalkane.

Acetals are generated by the reaction of carbonyl compounds with alcohols under acidic or basic conditions.

Acetals can be used as protecting groups for carbonyls in organic synthesis. The carbonyl group is made less reactive by formation of the acetal, which shields it from further reaction.

Therefore, reaction with nucleophiles such as organolithium reagents or Grignard reagents is prevented.

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Answer:

a. He is as wise as his sister. (change into Negative)

⇒Neither he is wise nor his sister.

b. He put the cup on the shelf. (change into interrogative)

⇒Did he put the cup on the shelf?

c. He said to her. Will you play tomorrow? (change into indirect)

⇒He asked me that whether I play the next day.

d. Doctors cure patients. (Change into passive)

⇒Patients were cured by doctors.

e. She (not eat) yet. (Rewrite it using correct tense)

⇒she hadn't eaten yet.

f. Everybody has eaten..............? (use correct question tag)​

⇒Everybody has eaten, haven't they?

The amount of electricity required to liberate 0.27g of Al is approximately 0.0037 F, which is equivalent to 0.01 F (to two significant figures). the correct answer is (d) 0.01 F.

To calculate the amount of electricity required to liberate 0.27g of Al, we can use Faraday's laws of electrolysis. The molar mass of aluminum (Al) is 27 g/mol, so 0.27 g is equal to 0.27/27 = 0.01 moles.

According to Faraday's laws, 1 mole of a substance requires 1 Faraday (F) of electricity to be liberated during electrolysis. Therefore, 0.01 moles of Al would require 0.01 F of electricity.

Given the information that 0.1 A of current is equal to 3600 s, we can determine the amount of electricity in Faradays (F) by multiplying the current (in amperes) by time (in seconds):

Electricity (in F) = Current (in A) x Time (in s)

                 = 0.1 A x 3600 s

                 = 360 A·s

Since 1 F is equal to 96,485 C (coulombs), we can convert the electricity from amperes·seconds to Faradays by dividing it by this constant:

Electricity (in F) = 360 A·s / 96,485 C/F

                 ≈ 0.0037 F

the correct answer is (d) 0.01 F.

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Answer:

A piece of gold foil was hit with alpha particles, which have a positive charge. Most alpha particles went right through. This showed that the gold atoms were mostly empty space. Some particles had their paths bent at large angles. A few even bounced backward. The only way this would happen was if the atom had a small, heavy region of positive charge inside it.