What is the partial pressure of oxygen that the diver experiences at this depth?Express your answer using two significant figures. Is the diver in danger of experiencing oxygen toxicity?yesno

The concept ideal gas equation is used here to determine the number of moles. The ideal gas law is the equation of state of a hypothetical ideal gas. Here the number of moles of gas is 0.17.

The equation which is formed by the combination of Boyle's law, Charles's law and Avogadro's law is called the ideal gas equation. An ideal gas is a theoretical gas composed of a set of randomly moving point particles which interact through elastic collisions.

The ideal gas equation is:

PV = nRT

n = PV / RT

10°C = 283 K

Number of moles is:

n = 1.2 × 3.4 / 0.0821 × 283 = 0.17

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Answer:

Explanation:

1,2,1,2

Answer:

b

Explanation:

The word "symptom" refers to a specific manifestation or indication of a condition, disease, or disorder that is experienced or observed by an individual.

Symptoms are subjective or objective changes in the body's normal functioning that may be recognized as abnormal, uncomfortable, or problematic. Symptoms can manifest in various ways depending on the nature of the underlying condition. They can be physical, such as pain, rash, cough, fever, or fatigue, indicating an illness or injury affecting the body. Symptoms can also be psychological, such as anxiety, depression, or confusion, reflecting disturbances in mental health.

Symptoms serve as important clues for medical professionals to identify and diagnose diseases or disorders. They provide valuable information about the nature, severity, and progression of an illness, helping healthcare providers formulate appropriate treatment plans. Additionally, symptoms may also be important for individuals to self-assess their own health status and seek appropriate medical attention.

It is essential to note that symptoms alone may not provide a definitive diagnosis, as they can overlap across different conditions. Further evaluation, including medical tests and examinations, is often necessary to confirm a diagnosis and determine the appropriate course of action.

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You would need to give 0.65 mL.

Since the solution concentration is given in g/mL

We have to convert the mass of atropine to g

1000 mg make 1 g

325 mg = 325/1000 * 1 = 0.325 g

Now;

0.50 g is contained in 1 mL

0.325 g should be contained in 0.325 g * 1 mL/0.50 g

= 0.65 mL

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Provided that a physician has ordered 325 mg of atropine, intramuscularly and the atropine was available as 0.50 g/mL of solution, the volume of atropine needed to be given in millimeters is 0.65 mL.

From the given information:

The mass of the drug (atropine) ordered for = 325 mg

The density of the available solution of atropine = 0.50 g/mL

The objective is to determine the volume of the atropine that will be given by the physician.

Using the relation for  \(\mathbf{Density = \dfrac{mass}{volume}}\)

\(\mathbf{0.50 \ g/mL= \dfrac{325 \ mg}{volume}}\)

\(\mathbf{volume= \dfrac{325 \ mg}{0.50 \ g/mL}}\)

Now, the next step is to make the unit to be similar.

Since the volume is to be determined in milliliters;

We know that:

1 mg = 0.001 grams

∴

325 mg to grams will be = (325× 0.001 grams)

= 0.325 grams

Now;

\(\mathbf{volume= \dfrac{0.325 \ g}{0.50 \ g/mL}}\)

\(\mathbf{volume= 0.65 \ mL}\)

In conclusion, the volume that will be needed by the physician is 0.65 mL.

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The volume of \(N_2O_5\) needed to produce 9.64 L of \(NO_2\) is 4.97 L, calculated using stoichiometry and the ideal gas equation.

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Answer:

The liquid state has a definite volume and a definite shape.

Answer:

C6H12O6

Explanation:

C6H12O6

Answer:

\( \small \sf \: 4NH_3 + 5O_2 \rightarrow 4NO + 6H_2O \\ \small \sf \: 2 KNO_3 \rightarrow 2 KNO_2 + O_2 \\ \small \sf \: Ca + 2 H_2O \rightarrow \: Ca(OH)_2 + H_2 \\ \small \sf \: 2NaHCO_3 \rightarrow Na_2CO_3 + H_2O + CO_2 \\ \small \sf \: 2 CO + O_2 \rightarrow \: 2 CO_2\)

Explanation:

A) When four moles of ammonia reacts with five moles of O2 gas, four moles of Nitrogen mono oxide liberates along with six moles of water.

\( \sf \: 4NH_3 + 5O_2 \rightarrow 4NO + 6H_2O\)

B) When two moles pottasium nitrate (KNO3) is heated it dissociates into two moles of potassium nitrite liberates along with one mole of O2 gas.

\( \sf \: 2 KNO_3 \rightarrow 2 KNO_2 + O_2\)

C) When one mole of calcium reacts with two moles water, one mole of calcium hydroxide obtained & one of hydrogen gas released.

\( \sf \: Ca + 2 H_2O \rightarrow \: Ca(OH)_2 + H_2\)

D) When two mole of Sodium bicarbonate (NaHCO3) is heated it gradually decomposes to one mole of Sodium carbonate (Na2CO3) obtained along with one mole of each Water & Carbon dioxide.

\( \sf \: 2NaHCO_3 \rightarrow Na_2CO_3 + H_2O + CO_2\)

E) The question needs to corrected,

When two moles of carbon monoxide reacts with one mole oxygen two moles of carbon dioxide is released.

\( \sf \: 2 CO + O_2 \rightarrow \: 2 CO_2\)

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The equilibrium constant (Kc) for the given reaction is approximately 16.448. The value of Kc indicates the relative concentrations of reactants and products at equilibrium. In this case, a Kc greater than 1 suggests that the products (H2 and P4) are favored at equilibrium, indicating that the forward reaction is more favorable.

To determine the equilibrium constant (Kc) for the given reaction:

4PH3(g) ↔ 6H2(g) + P4(g)

We can write the equilibrium constant expression based on the stoichiometric coefficients:

Kc = ([H2]^6 * [P4]) / ([PH3]^4)

Substituting the given equilibrium concentrations:

[PH3] = 0.250 M

[H2] = 0.580 M

[P4] = 0.750 M

We can plug in these values into the equilibrium constant expression:

Kc = ([0.580]^6 * [0.750]) / ([0.250]^4)

Kc = (0.0860128 * 0.750) / (0.00390625)

Kc = 16.448

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Answer:

o

Explanation:

it is not a gas because the particles do not move freely it may be a liquid or a solid partly and mostly liquidized.

Explanation:

try 96 if that's not right let me know and I'll try to fix it

Answer:24

Explanation:

Answer:

Option D

Explanation:

Because we know the relationship between no of moles and volume

Option D

Ammonia (\(NH_3\)) and ammonium chloride (\(NH_4Cl\)) mixture could be a useful buffer in a solution. Option C

A buffer is a solution that can resist changes in pH when small amounts of acid or base are added. It consists of a weak acid and its conjugate base or a weak base and its conjugate acid. The buffer system works by the principle of Le Chatelier's principle, where the equilibrium is shifted to counteract the changes caused by the addition of an acid or a base.

In option A, acetic acid (\(CH_3CO_2H\)) is a weak acid, but hydrochloric acid (HCl) is a strong acid. This combination does not form a buffer because HCl is completely dissociated in water and cannot provide a significant concentration of its conjugate base.

Option B consists of sodium hydroxide (NaOH), which is a strong base, and elemental sodium (Na), which is a metal. This combination does not form a buffer as there is no weak acid-base pair involved.

Option D contains acetic acid (\(CH_3CO_2H\)), a weak acid, and ammonia (\(NH_3\)), a weak base. Although they are weak acid and base, they do not form a buffer system together as they are both weak acids or bases and lack the required conjugate acid-base pair.

Option C, ammonia (\(NH_3\)), is a weak base, and ammonium chloride (\(NH_4Cl\)) is its conjugate acid. This combination can form a buffer system. When ammonia reacts with water, it forms ammonium ions (NH4+) and hydroxide ions (OH-).

The ammonium ions act as the weak acid, while the ammonia acts as the weak base. The addition of a small amount of acid will be counteracted by the ammonium ions, and the addition of a small amount of base will be counteracted by the ammonia, thus maintaining the pH of the solution relatively stable.

Therefore, option C, consisting of ammonia (\(NH_3\)) and ammonium chloride (\(NH_4Cl\)), is the suitable mixture that could be a useful buffer in a solution.

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Answer:

C. 65 percent

Answer:

water vapor is less dense than dry air

Answer:

b.exothermic and entropy is decreasing

Answer:

8.879 moles.

Explanation:

From the question given above, the following data were obtained:

Molar mass of water = 18.02 g/mol

Mass of water = 160.0 g

Mole of water =?

Mole is defined by the following equation:

Mole = mass / molar mass

With the above formula, we can obtain the number of mole present in 160 g of water. This can be obtained as follow:

Molar mass of water = 18.02 g/mol

Mass of water = 160.0 g

Mole of water =?

Mole = mass / molar mass

Mole of water = 160 / 18.02

Mole of water = 8.879 moles.

Therefore, 160 g of water contains 8.879 moles.

Answer:

For photosynthesis to take place, plants need to take in carbon dioxide (from the air), water (from the ground) and light (usually from the sun)

Explanation:

Answer:

water carbon dioxide sunlight and the plant

Explanation:

Explanation:

To calculate the concentration of the resulting solution, we can use the formula C₁V₁ = C₂V₂, where C₁ is the initial concentration, V₁ is the initial volume, C₂ is the final concentration, and V₂ is the final volume.

Given:

C₁ = 0.2 mg/mL

V₁ = 3.5 mL

V₂ = V₁ + 0.5 mL = 3.5 mL + 0.5 mL = 4 mL (assuming no significant change in volume upon mixing)

Using the formula, we can solve for C₂:

C₁V₁ = C₂V₂

0.2 mg/mL * 3.5 mL = C₂ * 4 mL

0.7 mg = C₂ * 4

C₂ = 0.7 mg / 4 mL

C₂ ≈ 0.175 mg/mL

Therefore, the concentration of the resulting solution is approximately 0.175 mg/mL.

Answer:

The answer is 412

Explanation:

Because we distracted c1 from h2o due to the chemical combination of the two

Answer:

its 1.04

Explanation:

Answer:

Cats are eazy to take care for and relatively affordable

Answer:

cats r better cuz there cats ovi

Explanation:

there small, easy to take care of, and the are good with kids depending on the breed.

The strand 1 of hydrocarbons is used to produce plastic, hence option D is correct.

Raw resources like natural gas, oil, or plants that have been processed into ethane and propane are used to make plastics. The subsequent "cracking" procedure uses heat to transform ethane and propane into ethylene and propylene. To produce various polymers, these components are mixed.

Propylene is a substance found in large quantities in petroleum. In order to speed up chemical processes, refiners combine heated propylene with a catalyst to create plastic. Propylene molecules start to cluster together like beads on a thread as a result.

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Answer:

That depends.

Explanation:

We can measure force as mass*accelerations for physics

Explanation:

If the last electron enters the p-orbital after the electron configuration of the element, then that element is called the p-block element. The electron configuration of nitrogen(N) shows that the last electron of nitrogen enters the p-orbital. Therefore, nitrogen is the p-block element.

Answer:

16:1

Explanation:

Atoms of element X weigh 32 times more than atoms of element Y. We can write this in a symbolic way.

mX = 32 mY   [1]

where,

A compound has the formula: XY₂, that is, in 1 molecule of XY₂ there is 1 atom of X and 2 atoms of Y. The ratio of the mass of X to the mass of Y in this compound equals:

mX/2 mY  [2]

If we substitute [1] in [2], we get:

mX/2 mY = 32 mY/2 mY = 16 = 16:1

Answer: The account of the prophet Daniel demonstrates to Jews that God will rescue them from harm because made the lions shut their mouths so that Daniel was safe through the night.