2NaClO3 ——> 2NaCl + 3O2

1) if you produced 114.25g NaCl, how many grams of NaClO3 did you decompose?


2) Using the same reaction in the first exercise; how many particles of NaClO3 are needed to
produce 68.30L of oxygen?

Answer:

Chemical digestion involves the secretions of enzymes throughout your digestive tract. These enzymes break the chemical bonds that hold food particles together. This allows food to be broken down into small, digestible parts. Digestion involves taking large portions of food and breaking them down into micronutrients small enough to be absorbed by cells. Chewing and peristalsis help with this, but they don’t make particles small enough. That’s where chemical digestion comes in.

Chemical digestion breaks down different nutrients, such as proteins, carbohydrates, and fats, into even smaller parts:

Fats break down into fatty acids and monoglycerides.

Nucleic acids break down into nucleotides.

Polysaccharides, or carbohydrate sugars, break down into monosaccharides.

Proteins break down into amino acids.

Explanation:

I hope this helps!

The expected blood gas values for this patient at the time of admission of patient is option E. pH 7.51; PaCO₂ = 20 mm Hg; [HCO₃]⁻ = 24 mEq/L; Anion Gap = 12 mEq/L

A 20-year-old woman presents to the Emergency Department with persistent symptoms of palpitations, dizziness, sweating, and paresthesia. She has a history suggestive of an anxiety disorder.

To assess her condition, blood gases and electrolytes are ordered, and a positron emission tomography (PET) scan is performed. The PET scan reveals increased perfusion in the anterior portion of each temporal lobe. Based on these findings, the doctor prescribes a benzodiazepine medication.

The expected blood gas values at the time of admission can be determined by analyzing the given options:

A. pH 7.51; PaCO₂ = 49 mm Hg; [HCO₃]⁻ = 38 mEq/L; Anion Gap = 12 mEq/L

B. pH 7.44; PaCO₂ = 25 mm Hg; [HCO₃]⁻ = 16 mEq/L; Anion Gap = 12 mEq/L

C. pH 7.28; PaCO₂ = 60 mm Hg; [HCO₃]⁻ = 26 mEq/L; Anion Gap = 12 mEq/L

D. pH 7.28; PaCO₂ = 20 mm Hg; [HCO₃]⁻ = 16 mEq/L; Anion Gap = 25 mEq/L

E. pH 7.51; PaCO₂ = 20 mm Hg; [HCO₃]⁻ = 24 mEq/L; Anion Gap = 12 mEq/L

By evaluating the options, the most appropriate choice is:

E. pH 7.51; PaCO₂ = 20 mm Hg; [HCO₃]⁻ = 24 mEq/L; Anion Gap = 12 mEq/L

This option presents a higher pH (alkalosis) and a decreased PaCO₂ (respiratory alkalosis), which could be consistent with the patient's symptoms of hyperventilation due to anxiety. The [HCO₃]⁻ level within the normal range and a normal anion gap further support this interpretation.

In summary, the expected blood gas values for this patient at the time of admission are a higher pH, decreased PaCO₂, normal [HCO₃]⁻, and a normal anion gap, indicative of respiratory alkalosis likely caused by hyperventilation related to her anxiety disorder.

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It is important to keep the stopcock open after adding hydrochloric acid to the marble chips in an Erlenmeyer flask for gas collection and accurate measurement of the carbon dioxide produced during the reaction.

By allowing the gas to escape into the syringe or collection apparatus, the experiment can obtain precise gas volume measurements. Additionally, immediately replacing the stopper and syringe assembly helps prevent gas loss and maintains safety by avoiding the build-up of excessive pressure inside the flask.

These measures ensure the reliable and controlled execution of the experiment while obtaining accurate data.

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The formation of a primary alcohol from a ketone involves the use of a ketone and NaBH4 followed by an acid workup.

The question is unclear but clearly relates to the formation of a primary alcohol. The first step in this reaction is the attack of the NaBH4 on the carbonyl carbon of butanone.

The reaction sequence is completed by an acid work up in which an acidic hydrogen is abstracted by the nucleophile to yield a primary alcohol.

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Hydration is a specific example of the phenomenon known generally as a. solvation

The act of hydrating involves combining or dissolving an object in water. It is a particular instance of the more general phenomena known as solvation, which is the process by which solvent molecules surround and scatter a solute to create a homogeneous solution. However, hydration explicitly refers to solvation with water as the solvent.

Solvation may also happen with solvents other than water. Solvation is the process through which a solute and solvent interact to stabilise a solute species. Due to its impact on the solubility, reactivity, and behaviour of compounds in solution, solvation is a crucial mechanism in many chemical and biological processes.

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Answer:

1) subjunctive

2) conditional (most likely)

3) conditional

4) subjunctive

5) conditional

6) conditional

Explanation:

subjunctive mood expresses a wish

conditional mood = if (event), (result)

Answer:

D

Explanation:

sound waves can not be carried in space

Answer:D

Because space us silent

Answer:

paper plate

Explanation:

A renuable source is a source that would replenish in ones lifetime. Trees make paper and grow in the span of a average human life.

The cause of the difference in energy between the two conformations of trans-1,4-dimethylcyclohexane is due to steric strain. Steric strain is the repulsion between atoms or groups of atoms that are in close proximity to one another.

In the case of trans-1,4-dimethylcyclohexane, the two methyl groups are located on opposite sides of the ring and are in close proximity to one another, causing steric strain and a higher energy conformation. This is twice the difference in methylcyclohexane because there are two methyl groups causing steric strain instead of just one.

The lower energy conformation of trans-1,4-dimethylcyclohexane has the two methyl groups further apart from each other, reducing the steric strain and resulting in a lower energy conformation.

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Answer:

6.75 sym.

Explanation:

Boyle's Law:  The pressure of a gas in an enclosed container with a flexible volume is inversely proportional to the volume occupied by the gas.

Empirically => P ∝ 1/V => P = k(1/V) => k = P·V

For any conditions of Pressure & Volume, Pressure x Volume is a constant.

Therefore, k₁ = k₂ => P₁V₁ = P₂V₂ => V₂ =  P₁V₁ / V₂

=> V₂ = (3atm)(0.450L)/(0.200L) = 6.75 atm.

If four years is the one-third total time of decay of a radioactive material then the half-life of that substance is six years.

Elements such as thorium, radium, and uranium have a high atomic number and emit invisible, high radiation of very high energy. This property of these elements is called radioactivity. Three types of radiation released by radioactive materials are alpha, beta, and gamma radiation.

The time interval in which the mass of radioactive materials or the number of atoms is reduced to half its original shape is known as the half-life of that material. When it decays, a radionuclide changes into a different atom decay product.

So we can conclude that the given radioactive substance will take about one to two years to get decay.

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The characteristic of an element's atoms that always determines the element's identity is the number of protons in the nucleus. This is also known as the atomic number of the element.

An element is a substance made up of a single type of atom.

Elements can be identified by their atomic number, which is the number of protons in the nucleus of each of their atoms.

Each element has a unique atomic number. This means that no two elements can have the same atomic number.

For example, the element oxygen has an atomic number of 8, which means that all oxygen atoms have 8 protons in their nuclei.

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The complete question is-

A chemist is identifying the elements present in a sample of seawater. What characteristic of an element's atoms always determines the element's identity? In other words, what specific property of an element's atoms uniquely distinguishes it from atoms of other elements, allowing chemists to identify and differentiate between different elements in a sample?

Answer:

non polar molecules

Explanation:

Ethyl alcohol will dissolve in water in all proportions because the polar molecules interact with each other freely. In contrast, gasoline is a nonpolar molecule.  hope that helped...

The big difference between science and pseudo-science is a difference in attitude. While a pseudo-science is set up to look for evidence that supports its claims, a science is set up to challenge its claims and look for evidence that might prove it false

The solution pH range is based on the given indicators:

Alizarin yellow- Yellow: 10 to 12

Bromocresol Green - blue: 3.8 to 5.4

Bromothymol Blue - green: 6.0 to 7.6

Methyl orange - yellow: 3.1 to 4.4

A pH indicator can be described as a halochromic chemical compound added in small amounts to a solution so the pH of the solution can be determined by changes in absorption or emission properties.

pH indicators are employed in titrations in analytical chemistry and biology to calculate the extent of a reaction. Because of the determination of color, pH indicators are susceptible to giving imprecise readings.

Alizarin yellow has a pH range of 10 to 12 where 10 for yellow and 12 for red. Bromocresol Green have a pH range of 3.8 to 5.4

Bromothymol Blue has a pH range of 6.0 to 7.6 where 6.0 for Yellow and 7.6 for Blue color. Methyl orange has a pH range of 3.1 to 4.4 where 3.1 is for red and 4.4 is for yellow color.

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Radon (Rn) is the next noble gas after xenon (Xe) in the periodic table, belonging to Group 18 (also known as Group 0 or the noble gases).

Noble gases are characterized by their full valence electron shells, making them stable and generally unreactive. In terms of relative atomic mass, xenon has an atomic mass of approximately 131.29 atomic mass units (u). Radon, being the next noble gas in the group, has a higher atomic number and thus a higher relative atomic mass compared to xenon. The relative atomic mass of radon is approximately 222. Therefore, radon has a higher atomic mass than xenon. Radon (Rn) is located below xenon (Xe) in the same group of the periodic table, indicating that it has one more energy level and one more electron than xenon. This extra electron and energy level add to the atomic mass of radon, making it heavier than xenon. Therefore, the relative atomic mass of radon is greater than that of xenon. Specifically, the relative atomic mass of radon is 222.

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In the solid matter , atoms or the molecules are in the definite shape and the fixed volume.

In the solid state of the matter the particles are very close to each other. There is a very tiny gap between the particle, they are very tough to compress. The force of the attraction between the particles are very strong. The rate of diffusion in the solid matter is very low. The examples of the soli matter is sugar , wood, rock, solid ice.

Thus, in the solid state of the matter the molecules or the atoms have the fixed volume and have definite shape.

This question is incomplete , the complete question is :

In solid matter, atoms or molecules are in ----------- shape and --------  volume.

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1.2 grams of Barium Chloride (BaCl₂) are needed to make 220 mL of 0.040 M solution.

To determine the amount of grams of Barium Chloride (BaCl₂) needed to compound a 220 mL 0.040 M solution, we can implement the following formula:

mass (in grams) = molarity × volume (in liters) × molar mass

convert the volume of the mixture from milliliters (mL) to litres (L):

220 mL =  0.220 L by : 220/1000

The molar mass of BaCl₂ is 137.33 g/mo

Therefore, when utilizing the equation above, we can deduce that:

mass = 0.040 mol/L × 0.220 L × 137.33 g/mol = 1.2 g

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Answer:

the value of water is

6000

Answer:

600 or 6000 I'm not sure

Answer:

Simply cuz so u can drink It without bacteries chlorine also changes a bit taste depends on RM

!Do not use this answer for cheating, please only use my answers to check your own!

Before tap water was found, people would use rocks, gravel, and sometimes even thick cloth to filter water. If you do not filter water, there is a huge chance that bugs, bacteria, viruses, and other things may be entering your body. Today some houses still have the past was of filtering, with rocks and gravel. Except chlorine is used to kill any bacteria that was left over the rocks and gravel may of missed.

Proton:

Positive

Found in Nucleus

Mass of 1 AMU

Neutron:

Neutral

Found in Nucleus

Mass of 1 AMU

Electron:

Negative

Found in orbitals

Mass of 0 AMU

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C) decrease

hydrochloric acid: strong acid, pH <7

sodium hydroxide: strong base, pH>7

Answer:2g/cm3 is ur answer, hope this helps :)

Explanation: when solving for the density, the formula would be d=m(mass)/v(volume). therefore you need to take the volume and divide that into the mass to get density. in this case your mass is 20 and volume is 10. so you divide those two and you will get your answer of 2g/cm3.

Answer:

bsbsbsbsbsbsbsbabababab

Explanation:

(a) The standard heat of reaction is -5155.9 kJ/mol.

(b) The heat of reaction when water is in vapor phase is 3172.3 kJ/mol.

The chemical reaction between Naphthalene gas and oxygen gas to form carbon dioxide and liquid water is given as follows:

C10H8(g) + 12 O2(g) → 10 CO2(g) + 4 H2O(l)

The stoichiometric coefficient of the first reactant of the reaction is 1. Therefore, we need to multiply Naphthalene by 1 and the balanced chemical equation becomes:

C10H8(g) + 12 O2(g) → 10 CO2(g) + 4 H2O(l)

The standard heat of reaction (ΔHºrxn) can be calculated by subtracting the sum of the standard heats of formation of the reactants from the sum of the standard heats of formation of the products. The standard heats of formation of naphthalene, carbon dioxide and water are given below:

Naphthalene (C10H8) = 79.90 kJ/molCarbon dioxide (CO2) = -393.5 kJ/molWater (H2O) = -285.8 kJ/molSubstitute the given values in the formula for standard heat of reaction:ΔHºrxn = Σ(ΔHºf, products) - Σ(ΔHºf, reactants)ΔHºrxn = [10(-393.5) + 4(-285.8)] - [79.90 + 12(0)]ΔHºrxn = -5155.9 kJ/mol

(b) The heat of reaction when water is in vapor phase is calculated using the following formula:

ΔHvap = q/(n∆Hv)Here, q = Heat of reaction calculated in part a) = -5155.9 kJ/mol n = Number of moles of water vapor ∆Hv = Latent heat of vaporization of water ∆Hv = 40.7 kJ/mol (taken from Table B1)

First, we need to calculate the number of moles of water vapor produced. Since 1 mole of naphthalene produces 4 moles of water, the number of moles of water produced is: 4 moles H2O/liter × 0.01 liter/liter = 0.04 moles H2O

Substitute the given values in the formula for ΔHvap:ΔHvap = (-5155.9 kJ/mol) / (0.04 moles × 40.7 kJ/mol)ΔHvap = 3172.3 kJ/mol.

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The one that is not a name given for the four outer planets terrestrial planets. The correct option is 3.

The planets Mercury, Venus, Earth, and Mars are referred to as terrestrial because their surfaces are compact and rocky, similar to Earth's terra firma. The terrestrial planets are the solar system's four innermost planets.

A terrestrial planet, telluric planet, or rocky planet is one that is primarily composed of silicate rocks or metals.

Mercury, Venus, Earth, and Mars are the inner planets in the Solar System that are closest to the Sun and are classified as terrestrial planets by the International Astronomical Union.

Astronomers who use the geophysical definition of a planet may consider two or three planetary-mass satellites, including the Earth's Moon, Io, and occasionally Europa, as terrestrial planets, along with the rocky protoplanet-asteroids Pallas and Vesta.

Thus, the correct option is 3.

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Answer:

The combination of the polymer opening up and the water molecules sticking to it make a solution of the hydrogel get thicker and more viscous (sticky). Disposable nappies make use of the ability of hydrogels to take up and retain water, even under pressure.

Explanation:

Given what we know, we can confirm that a general (all-inclusive) term for organic molecules that have the same molecular formula, but that differ in their structure or in the spatial arrangement of their atoms is isomers.

Therefore, we can confirm that the general (all-inclusive) term for organic molecules that have the same molecular formula, but that differ in their structure or in the spatial arrangement of their atoms is isomers.

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