What happens to gas solubility of oxygen in the blood of a person who is placed in a hyperbaric chamber?

Answer:

true

Explanation:

ANSWER

The initial volume of the acid is 260mL

EXPLANATION

Given that;

The final volume of the ethanoic acid is 4.5L

The final concentration of the ethanoic acid is 1.0 mol/L

The initial concentration of the ethanoic acid is 17.4 mol/L

Follow the steps below to find the volume of the ethanoic acid

Step 1; Apply the dilution formula

Step 2; Substitute the given data into the formula

Therefore, the initial volume of the acid is 260mL

The temperature at which water vapor condenses is called the dew point.

The dew point is the temperature at which water vapor in the air condenses into visible water droplets. This process is also known as dew formation or dew precipitation. The dew point is the temperature at which air becomes saturated, meaning it can no longer hold all the water vapor it contains. As air cools, it can hold less moisture, causing water vapor to condense into liquid water. When the temperature of the air reaches the dew point, the water vapor begins to condense into visible water droplets.

In summary, the dew point is the key term for the temperature at which water vapor condenses, leading to the formation of dew or frost.

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Answer:

D)Gases usually weigh less than solids.

Answer:

D) Gases usually weigh less than solids

Explanation:

Gases don't have weight and solids do which automatically makes gases lighter because they don't have a mass like a solid.

A separation method known as chemical extraction depends on the difference between an element's solubility in an organic solvent and an aqueous solution.

Organic solvents are chemicals with a carbon structure that can dissolve or disperse one or more other compounds. Organic solvents have the potential to be neurotoxins, genital poisons, and carcinogens. The organic solvents benzene, carbon tetrachloride, and trichloroethylene are carcinogenic. The boiling point of organic solvents is low – Organic solvents are known to have very low boiling points.

Vegetable oil is analysed and weighed for use as an organic solvent for wastewater treatment in liquid membrane systems.e vegetable oil as a more sustainable organic solvent is highlighted.

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When looking for a mathematical relationship between two variables use a line graph.

A mathematical variable is one that can be found by the use of algebra or by a the use of graph. We know that a line graph involves plotting the independent variable on the horizontal axis and the dependent variable on the vertical axis.

The relationship between the two variables can be determined by studying how much the data set suits a particular equation of line of best fit or by considering the correlation coefficient of the scatter plot.

Hence, when looking for a mathematical relationship between two variables use a line graph.

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Missing parts;

When looking for a mathematical relationship between two variables, use a _____.

A. line graph

B. circle graph

C. bar graph

D. data table

The salt that produces a basic solution in water is NaF.

When a salt dissolves in water, it can either produce an acidic, basic, or neutral solution, depending on the nature of the salt. Salts that are derived from strong bases and weak acids are basic solution, while salts that are derived from weak bases and strong acids are acidic in nature. Salts that are derived from either strong bases and strong acids or weak bases and weak acids are neutral in nature.

In this case, NaF is derived from the strong base NaOH and the weak acid HF, so it is a basic solution. KCl is derived from the strong base KOH and the strong acid HCl, so it is neutral in nature. NH4Cl is derived from the weak base NH3 and the strong acid HCl, so it is acidic in nature. Therefore, the salt that produces a basic solution in water is NaF.

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The largest mass that a water molecule can have is 24 amu.

Isotopes are those atoms of an element with the same atomic number but different atomic mass. Isotopes can be stable and unstable or radioisotopes.

The oxygen isotope has a molecular mass of 18 AMU and the isotope of hydrogen will be tritium which will have a molecular mass of 3 amu.

The water molecule has two hydrogens and one oxygen, So to calculate the largest mass that a water molecule could have using other isotopes will be;

(2 X 3) + 18 = 24 amu.

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The hazardous substance in automobile exhaust that is also present in high concentration in tobacco smoke is acrolein.

Substance that tobacco smoke and the exhaust of automobiles contains a has it is substance called acrolein in very very high concentration.

Inhaling acrolein can give rise to several breathing problems like shortness in breathing and also irritation in lungs.

Acrolein is formed when the fats are overheated apart from automobiles and tobacco a very low amount of acrolein is also found in over used cooking oil.

To reduce acrolein from the automobile exhaust lead based adsorption substances are preferred to be used in automobile exhaust.

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Explanation:

I did it in steps to help u to understand :)

Answer:

should be 2M

Explanation:

:)

When determining a solvent for an experiment calculating molecular weight by freezing point depression, one should consider the solvent’s low freezing point, chemical inertness, and high boiling point. This is to ensure that the experiment yields accurate results.

The solvent used in an experiment calculating molecular weight by freezing point depression must have a few key properties to ensure accurate results. It should have a low freezing point, be chemically inert, and have a high boiling point.
A low freezing point allows for the freezing point depression effect to be more easily detected. A chemically inert solvent ensures that the solute does not react with the solvent and disrupt the experiment. Finally, a solvent with a high boiling point ensures that the solvent does not evaporate or boil off during the experiment.

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Answer:

has a magnetic field surrounding it

Explanation:

The weakest base among the options provided is CO32– (option b).

In the given series, the strength of the acid decreases from HBr to HCO3–. In general, the strength of an acid and the strength of its conjugate base are inversely related. Therefore, the weakest acid in the series, HCO3–, corresponds to the strongest conjugate base.

Among the options provided, CO32– (option b) is the weakest base because it corresponds to the strongest acid, HCO3–. The other options (SO42–, CH3COO–, Br–, CN–) correspond to stronger bases compared to CO32– based on the given acid strength series. Therefore, option b, CO32–, is the correct answer for the weakest base.

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A substance with a pH of 11 is 10 times more alkaline than a substance with a pH of 1.

The pH is a data that is used as a reference to classify chemical substances according to their alkalinity or acidity. The pH is measured on a scale from 0 to 14 that is divided as follows:

According to the above, it can be inferred that the substance that has a pH of 11 is not more acidic but alkaline. On the other hand, the substance with a pH of 1 is more acidic.

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Answer: NH3 has a higher solubility rate than SbH3 because it has much stronger bonds. ... HoCH2CH2OH because it can form two bonds with water compared to the other molecule which can only form one.

HOPE THIS HELPS

Acids and bases are chemical substances with contrasting properties. Acids taste sour, turn litmus paper red, and have a low pH. Bases taste bitter, turn litmus paper blue, and have a high pH. When an acid and a base react, they form a salt and water, resulting in a neutral solution.

Acids and bases are fundamental concepts in chemistry. Acids have a sour taste, such as vinegar or lemon juice, and turn litmus paper red. They also have a low pH value, indicating a high concentration of hydrogen ions (H+). On the other hand, bases have a bitter taste, like soap or baking soda, and turn litmus paper blue.

Bases have a high pH value, indicating a low concentration of hydrogen ions and a higher concentration of hydroxide ions (OH-). When an acid and a base react, they undergo a neutralization reaction, resulting in the formation of a salt and water. The salt is composed of a cation from the base and an anion from the acid. The resulting solution is neutral, with a pH of 7. Examples of salts include sodium chloride (table salt) and calcium carbonate (chalk). Alkalis are a type of base that can dissolve in water, forming hydroxide ions.

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Answer:

Some thing that is very little and every thing made by

Answer:

Atoms are the basic unit of a chemical element. Atoms are what make up every thing, living and non living alike.

Explanation:

Hope this helps you!

Answer:Because there are so many units for energy.

Explanation:

Answer:The fuel/air mixture may become too minimal

Explanation:While cruising at 9,500 feet MSL, the fuel/air mixture is properly adjusted. What will occur if a descent to 4,500 feet MSL is made without readjusting the mixture

Answer:

The average atomic mass for an element is calculated by summing the masses of the element's isotopes, each multiplied by its natural abundance on Earth. Since beryllium has only one naturally occurring isotope. The average atomic mass of beryllium is the mass of Be-9 isotope multiplied by 100%.

Explanation:

Answer:

A) He is taking lot’s of notes.

Explanation:

Conflict resolution refers to the process that helps the two parties involved in a communication to turn towards a peaceful resolution when a dispute arises. Conflicts are very obvious to occur among the people working together. Around the professional world, conflicts may emerge among the co-workers, supervisors, and among the management team. The process that helps to resolve the issues is termed to be the conflict resolution process.

In the given situation, the conflict resolution process of resolving the issue would be option A. All the other options would lead towards the emergence of conflict or misunderstanding respectively.

Answer:

A.

He is taking lots of notes.

Explanation:

I took the practice on edge.2020

The temperature for the can explode : 627 °C

Gay Lussac's Law  

When the volume is not changed, the gas pressure is proportional to its absolute temperature  

\(\tt \dfrac{P_1}{T_1}=\dfrac{P_2}{T_2}\)

T₁=27 C+273=300 K

P₁=30 psi

P₂=90 psi

\(\tt T_2=\dfrac{P_2\times T_1}{P_1}\\\\T_2=\dfrac{90\times 300}{30}\\\\T_2=900~K=627^oC\)

The standard oxidation potential (E°ox) of Metal X in Serge's cell is -0.685 V.

An electrode is an electrical conductor that can carry current into nonmetals and other poor conductors of electricity. An anode and a cathode are the two types of electrodes. The positively charged electrode is known as the anode, while the negatively charged electrode is known as the cathode.

The overall cell potential can be calculated as:

E°cell = E°reduction (cathode) - E°oxidation (anode)

E°reduction = standard reduction potentials of the cathode

E°oxidation = standard reduction potentials of the anode

Copper is the cathode in Serge's cell, and Metal X is the anode. As a result, the half-reactions that occur at the electrodes are:

Cathode (reduction): Cu^{2+}(aq) + 2e- → Cu(s) (E°red = 0.34 V)

Anode (oxidation): Metal X(s) → Xn+(aq) + ne- (E°ox)

The overall cell reaction is:

Cu^{2+}(aq) + Metal X(s) → Cu(s) + Xn+(aq) (E°cell = 1.025 V)

E°cell = E°reduction (cathode) - E°oxidation (anode)

1.025 V = 0.34 V - E°ox

E°ox = 0.34 V - 1.025 V

E°ox = -0.685 V

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The standard oxidation potential (E°ox) of Metal X in Serge's cell is -0.685 V.

An electrode is an electrical conductor that can carry current into nonmetals and other poor conductors of electricity. An anode and a cathode are the two types of electrodes. The positively charged electrode is known as the anode, while the negatively charged electrode is known as the cathode.

The overall cell potential can be calculated as:

E°cell = E°reduction (cathode) - E°oxidation (anode)

E°reduction = standard reduction potentials of the cathode

E°oxidation = standard reduction potentials of the anode

Copper is the cathode in Serge's cell, and Metal X is the anode. As a result, the half-reactions that occur at the electrodes are:

Cathode (reduction): Cu^{2+}(aq) + 2e- → Cu(s) (E°red = 0.34 V)

Anode (oxidation): Metal X(s) → Xn+(aq) + ne- (E°ox)

The overall cell reaction is:

Cu^{2+}(aq) + Metal X(s) → Cu(s) + Xn+(aq) (E°cell = 1.025 V)

E°cell = E°reduction (cathode) - E°oxidation (anode)

1.025 V = 0.34 V - E°ox

E°ox = 0.34 V - 1.025 V

E°ox = -0.685 V

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Answer:

\(\large \boxed{\text{21.6 L}}\)

Explanation:

We must do the conversions

mass of C₆H₁₂O₆ ⟶ moles of C₆H₁₂O₆ ⟶ moles of CO₂ ⟶ volume of CO₂

We will need a chemical equation with masses and molar masses, so, let's gather all the information in one place.

Mᵣ:        180.16

         C₆H₁₂O₆ + 6O₂ ⟶ 6CO₂ + 6H₂O

m/g:      24.5

(a) Moles of C₆H₁₂O₆

\(\text{Moles of C$_{6}$H$_{12}$O}_{6} = \text{24.5 g C$_{6}$H$_{12}$O}_{6}\times \dfrac{\text{1 mol C$_{6}$H$_{12}$O}_{6}}{\text{180.16 g C$_{6}$H$_{12}$O}_{6}}\\\\= \text{0.1360 mol C$_{6}$H$_{12}$O}_{6}\)

(b) Moles of CO₂

\(\text{Moles of CO}_{2} =\text{0.1360 mol C$_{6}$H$_{12}$O}_{6} \times \dfrac{\text{6 mol CO}_{2}}{\text{1 mol C$_{6}$H$_{12}$O}_{6}} = \text{0.8159 mol CO}_{2}\)

(c) Volume of CO₂

We can use the Ideal Gas Law.

pV = nRT

Data:

p = 0.960 atm

n = 0.8159 mol

T = 37  °C

(i) Convert the temperature to kelvins

T = (37 + 273.15) K= 310.15 K

(ii) Calculate the volume

\(\begin{array}{rcl}pV &=& nRT\\\text{0.960 atm} \times V & = & \text{0.8159 mol} \times \text{0.082 06 L}\cdot\text{atm}\cdot\text{K}^{-1}\text{mol}^{-1} \times \text{310.15 K}\\0.960V & = & \text{20.77 L}\\V & = & \textbf{21.6 L} \\\end{array}\\\text{The volume of carbon dioxide is $\large \boxed{\textbf{21.6 L}}$}\)

Explanation:

If a gas were to be heated up the pressure does not change, but the volume it will.

For a fixed mass or gas at constant pressure is volume ÷ temperature stays the same.

Its weight changes based on location, but its mass stays the same.

Mass is a measure of the quantity of matter present in an object and therefore, it is always the same. However, the weight of an object differs as the gravitational force on it changes. A Mass indicates the density of an object, while weight specifies its volume.

The dissimilar between mass and weight is that mass is the amount of matter in stuff, while weight is a measure of how the force of gravity acts upon that mass. Mass is the measure of the total matter in a body. Mass is denoted using m or M.

So we can conclude that The distinction between Mass and Weight is Mass is a computation of Inertia and Weight is a consideration of Force.

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