You drink 350 mL of diet soda that is at a temperature of 5 °C.


a. How much energy will your body expend to raise the temperature of this liquid to body temperature (37 °C)? Assume that the density and specific heat capacity of diet soda are the same as for water.

b. Compare the value in part (a) with the caloric content of the beverage. (The label says that it has a caloric content of 1 Calorie.) What is the net energy change in your body resulting from drinking this beverage?

c. Carry out a comparison similar to that in part (b) for a nondiet beverage whose label indicates a caloric content of 240 Calories

Answer

2.06x 10²⁴ atoms

Procedure

To calculate the atoms in a molecule we will need to multiply the moles by Avogadro's number 6.0221408 x 10²³.

Answer: A. The wall push back on the ball with more force, which causes the return speed of the to increase.

Explanation: For every for exerted on an object, there is an equal force exerted in the opposite direction. When the ball hits the wall with more force, the wall pushes back on the ball with more force. This causes the return speed of the ball to increase. The force that the wall applies to the ball launches the ball in the opposite direction. The greater the force on the ball, the greater it’s speed becomes .

Answer: The wall pushes back on the ball with more force, which causes the return speed of the ball to increase.

Explanation: Correct on Study Island

The major organic product that will be formed in the neutral polar solution will be 3-amino 2-methyltoluene and  4-amino 2-methyl toluene.

When 4-chloro 4-methyl 1-pentanol is put into a neutral polar solution the molecule C₆H₁₂O is formed but the structure is not similar to the usual one.

The reaction taking place between 4-chloro 2-methyltoluene is a electrophilic substitution reaction.

The separation of the hydrogen ion and the loss of the chloride Ion occurring at the same time leads to the formation of a benzene based intermediate is attacked immediately by the amide ion and the hydronium Ion leads to the product 2-methyltoluene and 4-amino 2-methyltoluene.

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Answer:

the force resisting motion. it slows things down

The amount, in grams, of radon that will be collected in the office sample of air, would be 148.8 grams.

The air sample contains 3.20 x 10⁻⁴ mg of radon per mL of gas. A total air volume of 4.65 x 10⁴ L passed through the office. The amount of radon in the air that passed through the office can be estimated as follow:

Amount of radon per mL of gas = 3.20 x 10⁻⁴ mg

Total volume of air in sample = 4.65 x 10⁴ L

The total air volume needs to be converted to mL:

4.65 x 10⁴ L x 1000 = 4.65 x \(10^7\) mL

1 mL = 3.20 x 10⁻⁴ mg

4.65 x \(10^7\) mL = 4.65 x \(10^7\) x 3.20 x 10⁻⁴

                       = 14.88 x \(10^4\) mg

In other words, the total amount of radon gas in the sample of air is 14.88 x \(10^4\) mg.

1 g = 0.001 mg

14.88 x \(10^4\) mg = 14.88 x \(10^4\)/1000

                        = 148.8 grams

In summary, the total amount of radon gas that will be collected in the office sample would be 148.8 grams.

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Answer: O2+6H12O6=CO2+ENERGY(ATP)

I DON'T THINK SHE IS CORRECT

Explanation:

Answer:

D

Explanation:

Because a physical change is affecting the form of a chemical substance, not its chemical composition.

The rate of the reaction is 0.075 mol/L x min.

In the balanced chemical equation:

N₂ + 3H₂ → 2NH₃

The stoichiometry tells us that for every 1 mole of N₂ reacting, 2 moles of NH₃ are formed. Therefore, the ratio of the rate of formation of NH₃ to the rate of the reaction is 2:1.

Given that the rate of formation of NH₃ is 0.15 mol/L x min, we can determine the rate of the reaction by dividing this value by the stoichiometric coefficient of NH₃, which is 2:

Rate of reaction = (Rate of formation of NH₃) / (Stoichiometric coefficient of NH₃)

Rate of reaction = 0.15 mol/L x min / 2

Calculating this, we find:

Rate of reaction = 0.075 mol/L x min

Therefore, the rate of the reaction is 0.075 mol/L x min.

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The mass of AI needed to react with 72 g of HCI is 54 g.

To determine the mass of AI needed to react with 72 g of HCI, we can use the stoichiometry of the balanced chemical equation you provided:

2AI + 6HCI --> 2AICI3 + 3H

From the equation, we can see that 2 moles of AI react with 6 moles of HCI to produce 2 moles of AICI3.

This means that the mole ratio between AI and HCI is 2:6 or 1:3.

Given the molar mass of HCI is 36 g/mol, we can calculate the number of moles of HCI in 72 g of HCI by dividing 72 g by the molar mass of HCI:

Number of moles of HCI = mass of HCI / molar mass of HCI

Number of moles of HCI = 72 g / 36 g/mol

Number of moles of HCI = 2 moles

Since the mole ratio between AI and HCI is 1:3, the number of moles of AI needed to react with 2 moles of HCI is also 2 moles.

Now, we can use the molar mass of AI, which is 27 g/mol, to calculate the mass of AI needed to react with 2 moles of HCI:

Mass of AI = number of moles of AI × molar mass of AI

Mass of AI = 2 moles × 27 g/mol

Mass of AI = 54 g

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Answer:

I have no clue sorry

Explanation:

good luck

The balanced equations of the reaction are given below:

Overall equation: 2 H_O → H₂O₂ (l)

Equation 1: H_O ---> H_O (g)

Equation 2: H_O (g) → H₂O₂ (g)

Equation 3: H₂O₂ (g) → H₂O₂ (l)

A balanced equation is an equation of a chemical reaction in which the number of moles of atoms for all the elements in the reaction is equal on both sides of the reaction.

A balanced chemical equation is obtained from the law of conservation of matter that states matter can not be created or destroyed.

Balancing chemical equations involves the addition of numerical coefficients to the reactants and products.

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Answer:carbon-14 levels in the atmosphere

Explanation:

When carrying out radiocarbon dating, the level of carbon-14 in a sample is compared with the level of carbon 14 in the atmosphere because, objects exchange carbon-14 with the atmosphere.

Comparison of the activities of carbon-14 in the atmosphere and in the sample gives the age of the sample since the half-life of carbon-14 is a constant.

Answer:

Number of mentos

Explanation:

i took the quiz

Science is a systematic study of the universe. Option C

Science is a systematic study of the universe. We know that science involves the observance of the occurrences of the universe and the formulation of hypothesis that explain them. These hypothesis can now be con firmed or disproved by the use of experiments.

Thus, the branch of knowledge and the systematic study of the universe and all it encompasses, one that is based upon facts, observation, and experimentation is science Option C.

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Answer:

Over time, the limestone is broken down into its chemical parts and may come back to the surface as volcanic CO2 (in the atmosphere). From the atmosphere, the CO2 might again become part of the biosphere by molluscs or corals absorbing the CO2 to help make their shells

Explanation:

Over a long period of time, we would take a look at the rock "limestone" through the rock cycle. Limestone being a sedimentary rock would be converted to marble, a metamorphic rock if subjected to metamorphic conditions over an extensive period of time.

Answer:

The negative charge (fewer protons than electrons) for an anion is shown by a number and minus sign after the formula. If there's just a minus sign, it means the charge is minus 1. Here are several examples of anions: If an ion consists of two or more atoms it is called a polyatomic ion.

Explanation:

Answer: I think it’s A, positive charge

Explanation:

The overall formation constant is 1.11*10¹³.

What is ion ?

An atom or collection of atoms that is classified as an ion has a different number of electrons than proton atoms.

What is solubility ?

A substance's solubility is the greatest amount that will dissolve in a given amount of solvent at a given temperature. A specific solute-solvent combination's solubility is a defining trait, and the solubilities of various compounds can vary significantly.

The complex [Ni(en)3]2+ is more stable than the complexes [Ni(NH3)6]2+ and [Ni(H2O)6]2+.

Steric hindrance of ligands will generally reduce the value of the formation constant.

The coordination number of the central metal ion is related to the formation constant of the complex.

Therefore, the overall formation constant is 1.11*10¹³.

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Answer:

nucleus

Explanation:

The change in entropy of the gas is 9.914 J/K. The change in entropy of the gas in J/K can be determined using the formula: ΔS = nR ln(Vf/Vi)

ΔS is the change in entropy, n is the number of moles of the gas, R is the gas constant, Vf is the final volume and Vi is the initial volume.

In this case, we are given that one mole of an ideal gas undergoes a reversible isothermal expansion and increases its volume by a factor of 3.3. Therefore, the final volume (Vf) is 3.3 times the initial volume (Vi).

Substituting these values into the formula, we get:

ΔS = (1 mol)(8.31 J/mol*K) ln(3.3)

ΔS = 8.31 J/K * ln(3.3)

ΔS = 8.31 J/K * 1.193

ΔS = 9.914 J/K

Therefore, the change in entropy of the gas is 9.914 J/K.

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Answer:

\(C_A=0.144M\)

Explanation:

Hello,

In this case, given the rate constant, we infer this is about a second order reaction, whose equation is:

\(\frac{dC_A}{dt}=kC_A^2\)

Thus, by integration we obtain:

\(\frac{1}{C_A}= \frac{1}{C_A_0}+kt\)

Hence, we solve for the final concentration after 0.385 s:

\(\frac{1}{C_A}= \frac{1}{0.155M}+\frac{1.308}{Ms} *0.385s=\frac{6.955}{M}\\ \\C_A=\frac{M}{6.955} \\\\C_A=0.144M\)

Best regards.

Answer: a, 1 b,1 c,0

Explanation:

Answer:

A= 1

B= 1

C= 0

Explanation:

Answer: Nuclear fusion is a nuclear reaction where atomic nuclei of a low atomic number fuse to form a heavier nucleus releasing energy.

Explanation:

The residence time for a water molecule in a river is typically between 1 and 5 days.

A molecule is the smallest particle of a substance that can still be identified as that substance. Atoms are held together via molecular bonds to form molecules. Molecules can be as little as two atoms or as large as thousands of atoms. Atoms are held together via molecular bonds to form molecules. Molecules can be as little as two atoms or as large as thousands of atoms. The properties of a molecule are determined by the arrangement of its atoms and the type of chemical bonds that hold them together. Molecules can exist as individual particles or as part of a larger structure. Molecules can be found in all forms of matter including gases, liquids, and solids. They are the building blocks of all living things and play an important role in chemical reactions.

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Answer:

Normal force

Explanation:

normal force always perpendicularly points away from a surface

Normal force is the equal and opposite force for the Earth's force of gravity pulling down on the person as described by Newton's third law.

Force is defined as a cause which is capable of changing the motion of an object. It can cause an object which has mass to change it's velocity. It is also simply a push or a pull . It has both magnitude as well as direction.Hence, it is a vector quantity.

It has SI units of Newton and is represented by'F'.Newton's second law states that force which acts on an object is equal to momentum which changes with time. If mass of object is constant, acceleration is directly proportional to net force acting on an object.

The concepts which related to force are thrust and torque .Thrust increases the velocity of an object and torque produces change in rotational speed of an object.

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Carbon dioxide molecules can absorb and emit infrared radiation, and they are one of the most abundant constituents of Earth's atmosphere.

Thus, the correct options are:d) Are one of the most abundant constituents of Earth's atmospheree) Can move in many ways, thus absorbing and emitting infrared radiation

Carbon dioxide is a trace gas present in the Earth's atmosphere. It's a vital component of Earth's carbon cycle, which helps to regulate Earth's temperature and support life as we know it. Carbon dioxide molecules are one of the most common gases in the atmosphere, accounting for around 0.04% of the Earth's atmosphere.

The greenhouse effect is caused by carbon dioxide, methane, and other greenhouse gases. When the Sun's energy reaches the Earth's surface, it is absorbed and then radiated back into space as infrared radiation. Greenhouse gases absorb this radiation and trap it in the atmosphere, which causes the Earth's temperature to rise and the climate to change.

Carbon dioxide molecules are capable of absorbing and emitting infrared radiation due to their molecular structure, which consists of one carbon atom and two oxygen atoms. This property of carbon dioxide is the main reason it's classified as a greenhouse gas.

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Asexual reproduction results in two organisms with the same parent and the same DNA.

Asexual reproduction produces offspring which are genetically identical to the parent because the offspring are all clones, that is, identical copies of the original parent.

Asexual reproduction in animals occurs through various process such as fission, fragmentation, budding and parthenogenesis. A single individual can produce offspring asexually and large numbers of offspring can be produced quickly with asexual reproduction.

A new potato growing from an old potato can be an example of asexual reproduction. Variation is not possible or significantly reduced in asexual reproduction. Asexual reproduction results in offspring with the same combination of genetic information as the parents.

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Soil and water is a suspension because it consists of larger particles suspended in the medium, which start to settle when allowed to stand. Milk is a colloid because it consists of minute particles that remain suspended in the medium.

The correct answer is (D)

The mixture of soil and water is considered to be a suspension because it is composed of minute particles suspended in the medium. Milk, on the other hand, is a colloid because it consists of larger particles suspended in the medium, which start to settle when allowed to stand.

There are a few differences between these two mixtures, but the most important one is their particle size.

A colloid is a mixture of two or more substances in which one substance is finely dispersed in the other.

The dispersed particles are usually between 1 and 1000 nanometers in size, making them too small to be seen with the eye.In contrast, a suspension is a mixture in which small particles of a solid are dispersed throughout a liquid. These particles are usually much larger than the particles in a colloid, ranging from 100 to 10,000 nanometers in size. As a result, they can be seen with the eye and will eventually settle out of the liquid if left undisturbed.

The property that best differentiates these two mixtures is their stability.

Colloids are much more stable than suspensions because the particles are smaller and more evenly dispersed throughout the medium.

They do not settle out of the medium as easily as suspensions and are not affected by gravity to the same extent. On the other hand, suspensions are less stable because the particles are larger and tend to settle out of the medium over time if left undisturbed.

In conclusion, the property that best differentiates the mixture of soil and water (a suspension) from milk (a colloid) is their particle size. Colloids have smaller particles that are more evenly dispersed throughout the medium, making them more stable than suspensions, which have larger particles that tend to settle out of the medium over time.

The correct answer is (D)

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The reaction you are referring to, which occurs with the loss of CO2, is called decarboxylation.

Decarboxylation is a chemical reaction where a carboxyl group (-COOH) is removed from a molecule, resulting in the release of carbon dioxide (CO2). This reaction can occur in various organic compounds, such as carboxylic acids, esters, or certain amino acids.

During decarboxylation, the carboxyl group (-COOH) is typically replaced by a hydrogen atom, resulting in the formation of a new compound. This reaction is often catalyzed by enzymes or triggered by specific conditions such as heat or acid/base catalysis.

Decarboxylation plays a significant role in various biological processes, such as the Krebs cycle in cellular respiration, where carboxylic acids undergo decarboxylation to generate energy. It is also utilized in various industrial processes and organic synthesis to create new compounds by removing the carboxyl group.

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Increased temperature may result from a loss of sodium .

Sodium is a macronutrient . it is considered as beneficial element .

Sodium occurs naturally in most of the foods .the common form of sodium is sodium chloride which is known as table salt ,almost available in every foods . We take it regularly .milk , beets and celery are source of sodium ,they naturally contain sodium .

some of the form of sodium are monosodium glutamate , baking soda and sodium benzoate . processed meats like sausage , ham canned soups and vegetables also contains sodium .even fast food is the high source of sodium .

The sodium content in the body decreases if we take too much amount of water . because we loss sodium through sweat . drinking too much water cause overwhelming the kidney's ability to excrete water .

the symptoms include dizziness , fatigue , lethargy , thirst , headache , insufficient urine production , nausea . hyponatremia is the most common electrolyte disorder .

The human body requires small amount of sodium per day to conduct nerve impulse , relax muscles , maintain proper balance of water and minerals . body uses sodium to control blood pressure and volume .

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