For an ideal gas, classify the pairs of properties as directly or inversely proportional. Directly proportional Inversely proportional Answer Bank

\(4.05 * 10 ^{4}\)

To find the pressure in kPa we use the conversion

1 atm = 101.3 kPa

If 1 atm = 101.3 kPa

400 atm = 400 × 101.3 = 40520 kPa

Expressing it in standard form we have the final answer as

4.05 × 10⁴ kPa

Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Pressure may also be expressed in terms of standard atmospheric pressure; the atmosphere (atm) is equal to this pressure, and the torr is defined as 1⁄760 of this. Manometric units such as the centimeter of water, millimetre of mercury, and inch of mercury are used to express pressures in terms of the height of column of a particular fluid in a manometer.

P = F / A

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Explanation:

Sodium is the element having one valance electron and 3 energy level and is a metal.Its atomic number is 11 .So in first energy level ,there is 2 electrons ,in second energy level,there is 8 electrons and in third energy level,there is one electron.The one electron in the third energy level is called valance electron and it is a metal in the sence it has only one valance electron and it can easily loose it and gain +ve charge.

Lithium aluminum hydride (LiAlH4) is a strong reducing agent and is general in that it reduces most polar functional groups.

It is a white solid that is soluble in anhydrous ether and THF. It is a powerful reducing agent and can be dangerous if not handled properly. It is important to wear gloves and goggles when working with LiAlH4.

LiAlH4 is a reducing agent because it can donate electrons. The hydride ion (H-) is a strong nucleophile and can attack electrophiles, such as carbonyl groups. This reaction is called a reduction reaction.

LiAlH4 can reduce most polar functional groups, including aldehydes, ketones, carboxylic acids, esters, and nitriles. It can also reduce epoxides and some other functional groups.

LiAlH4 is a versatile reducing agent and is used in a variety of organic syntheses. It is a valuable tool for chemists and is used to produce a wide range of compounds.

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Answer:

1)True

2)True

3)False

4)False

Explanation:

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Answer:

Ocean currents act much like a conveyor belt, transporting warm water and precipitation from the equator toward the poles and cold water from the poles back to the tropics. Thus, ocean currents regulate global climate, helping to counteract the uneven distribution of solar radiation reaching Earth's surface.

Explanation:

Answer:

A. Ocean currents affect temperatures on land.

Explanation:

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sunlight gives energy to living things

Explanation:

sun is the main energy for the earth

Energy of photon has 1.78×10⁻²⁷J

The energy of photon is directly proportional to frequency and this relationship between energy and frequency is given by plank Einstein equation means

E = h×ν

Where, E = energy of photon

h = plank constant equal to 6.626×10⁻³⁴J

ν = frequency of the photon

Given frequency is 2.68x10⁶Hz

Here frequency of photon in given in Hz means 1 Hz = 1 s⁻¹

Then E = 6.626×10⁻³⁴Js⁻¹ × 2.68x10⁶Hzs⁻¹

E = 1.7758×10⁻²⁷J means approximately

E = 1.78×10⁻²⁷J

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When steel and zinc were connected, zinc is the cathode. The term cathode refers to the electrode that is reduced during an electrochemical reaction.

The electrons are moved from the anode to the cathode during an electrochemical reaction in order to maintain a current in the wire that links the two electrodes.

According to the galvanic series, zinc is more active than iron, meaning that it is more likely to lose electrons and be oxidized. As a result, when steel and zinc are connected, zinc will act as the anode and lose electrons, whereas iron (steel) will act as the cathode and receive the electrons transferred by zinc.

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Answer:

Explanation:

Molar Mass of C3H12 (I don't think this chemical exists anywhere but on paper so I'll solve it that way, but check to see if you have written the question correctly.)

3C = 3 * 12 = 36

12*H = 12*1 = 12

Total       = 48 grams

mols = given mass / molar mass

Given mass = 14.0156 grams

Molar mass = 48 grams

moles = 14.0156 / 48

mols = 2.900 mols

Notes

Answer:

combination, decomposition, single-replacement, double-replacement, and combustion.

Explanation:

Answer:  reverse osmosis.

Explanation:

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Carbon dioxide and water is the correct answer**

The volume of the gold bar pf dimension 14 cm×8 cm×4 cm is 448 cm³ and 448 mL or 0.448 L.

The volume of a rectangular prism is calculated by multiplying the length, width, and height. In this case, the length is 14 cm, the width is 8 cm, and the height is 4 cm. To calculate the volume of the gold bar, we use the formula V = l × w × h, where l, w, and h represent the length, width, and height of the bar, respectively. Plugging in the given dimensions, we have V = 14 cm × 8 cm × 4 cm = 448 cm³. Since 1 cm³ is equivalent to 1 mL, the volume of the gold bar is also 448 mL.

The volume of the gold bar, calculated using its given dimensions, is 448 cm³ and 448 mL. This volume represents the amount of space occupied by the gold bar.

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Answer:

A. The specific heat keeps the ocean temperatures more even.

Explanation:

I just took a test on a p e x  and it was correct! :)

Answer: atomic nucleus

Explanation:

A Buffer Solution is either a combination of a weak acid and its conjugate base, or a mixture of a weak base and its conjugate acid, in a water-based solvent.

a)

The given solution is not a buffer solution. In this scenario, the reaction that takes place is:

HNO3 + NaOH → NaNO3 + H2O

The given question is based on acid-base titration where the acid 1 is titrated against a strong base NaOH of concentration 0.5 M. A 25 mL sample of 1.0 M acid 1 is mixed with 25 mL of 0.50 M NaOH.

The balanced chemical equation for this reaction is:

HNO3 + NaOH → NaNO3 + H2O

This reaction is the combination of strong acid and strong base, which indicates that the reaction will reach the equivalence point.

Hence, it does not form a buffer solution.

b)

Upon adding a few drops of 1.0 M HNO3 after the mixing of Acid 1 and NaOH, the pH of the solution would change a lot.

The reaction between HNO3 and NaOH is given as:

HNO3 + NaOH → NaNO3 + H2O

After the addition of HNO3, the solution will become acidic. The acid will react with the base and neutralize it to form a salt, and the pH of the solution will change.

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Explanation:

AUG is a START codon.  (2)

A start codon is the first codon translated by a ribosome. It usually produces an amino acid that initiates the producyion of a polypeptide chain.

Answer:

869 g Cl₂O

Explanation:

To find the theoretical yield of Cl₂O, you need to (1) convert moles SO₂ to moles Cl₂O (via mole-to-mole ratio from reaction coefficients) and then (2) convert moles Cl₂O to grams Cl₂O (via molar mass). It is important to arrange the conversions/ratios in a way that allows for the cancellation of units (the desired unit should be in the numerator). The final answer should have 3 sig figs to reflect the sig figs of the given amount (10.0 moles).

1 SO₂ (g) + 2 Cl₂ (g) ----> 1 SOCl₂ (g) + 1 Cl₂O (g)

Molar Mass (Cl₂O): 2(35.453 g/mol) + 15.998 g/mol

Molar Mass (Cl₂O): 86.904 g/mol

10.0 moles SO₂         1 mole Cl₂O            86.904 g
------------------------  x  ----------------------  x  ------------------  = 869 g Cl₂O
                                    1 mole SO₂              1 mole

To calculate Laila's average running speed, the following data should be recorded:

The distance she ran - This can be measured using a GPS device or by using a running track.

The time taken to run that distance - This can be measured using a stopwatch or a timer.

By dividing the distance by the time taken, we can calculate Laila's average running speed.

Average Speed = Distance / Time

For example, if Laila runs a distance of 5 kilometers in 30 minutes, her average running speed would be:

Average Speed = 5 km / (30/60) hr = 10 km/hr

Therefore, to calculate Laila's average running speed, we need to record the distance she ran and the time taken to run that distance.

it is true that chemistry ionic compounds can contain polyatomic ions with multiple charge cations. These polyatomic ions are formed when two or more atoms covalently bond to form an ion with an overall charge, and they can combine with ions of opposite charge to form an ionic compound.

Ionic compounds are chemical compounds composed of cations (ions with a positive charge) and anions (ions with a negative charge), which are attracted to each other by electrostatic forces. It is true that chemical ionic compounds can contain polyatomic ions with multiple charge cations.

Polyatomic ions are ions that contain two or more atoms covalently bonded and have an overall charge. For example, the polyatomic ion ammonium (NH4+) has four hydrogen atoms covalently bonded to a nitrogen atom, giving the ion a charge of +1. Other polyatomic ions include carbonate (CO32-), sulfate (SO42-), and phosphate (PO43-).

These polyatomic ions can be present in ionic compounds, which are formed when these ions combine with ions of opposite charge to form a crystal lattice structure. The cations and anions in the compound must have a net charge of zero.

In conclusion, it is true that chemistry ionic compounds can contain polyatomic ions with multiple charge cations. These polyatomic ions are formed when two or more atoms covalently bond to form an ion with an overall charge, and they can combine with ions of opposite charge to form an ionic compound.

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The speed of the particles rises with the temperature of the solid, liquid, or gas. The particles slow down with decreasing temperature.

A liquid can turn into a solid if it is cooled down far enough.

The average kinetic energy of the molecules falls as a liquid cools.

The liquid eventually turns into a solid when the quantity of heat removed is sufficient to cause the molecules to be attracted to one another.

Freezing is the process of transitioning from a liquid to a solid.

It loses thermal energy when the liquid cools. Its constituent particles therefore decelerate down and converge.

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The molarity of the chemical X is 11.65 M.

To calculate the molarity (c) of the solution, we need the number of moles (n) of substance X and the volume (V) of the solution. We can assume that we have 100 mL = 0.1 L of the solution. Now we have the volume, and we can use it to calculate the mass (m) of the solution using its density (d = 1.18 g/mL):

d = m/V ⇒ m = d * V

m = 1.18 g/mL * 100 mL

m(solution) = 118 g

From this, we can obtain the mass of substance X using the mass percentage (%w = 36% = 0.36):

m(X) = %w * m(solution)

m(X) = 0.36 * 118 g

m(X) = 42.48 g

Now that we have the mass of X, we divide it by its molar mass (M = 36.46 g/mol) to obtain the number of moles:

n = m/M

n = 42.48 g / 36.46 g/mol = 1.165 mol

Finally, we calculate the molarity of the solution:

c = n/V

c = 1.165 mol / 0.1 L = 11.65 M

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Answer:

0.41 moles

Explanation:

Answer:

IF(subscript 5)

Explanation:

covalent.

The bond present between the iodine and fluorine in iodine pentafluoride has been a nonpolar covalent bond.

The intermolecular bonds between the atoms result in the stability of the compounds. The bonds formed between the atoms with the same electrical charge and less difference in the electronegativity have been the nonpolar covalent bonds.

The iodine and fluorine have been the halogen atoms with a negative charge and less difference in electronegativity. Thus, the bond present between the iodine and fluorine in iodine pentafluoride has been a nonpolar covalent bond.

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Chemoreceptors are an important component of many physiological processes and play a key role in many behaviors, including feeding, mating, and avoidance of predators. They are also involved in the immune response and other physiological processes. In conclusion, chemoreceptors are chemosensory organs that detect dissolved chemicals.

The name that corresponds to the definition of "chemosensory organs that detect dissolved chemicals" is chemoreceptors. They are sensory receptors that detect specific chemical stimuli in the environment and transmit information to the brain for further processing.Chemoreceptors are found in a variety of organisms, including insects, crustaceans, and mammals. They are responsible for detecting chemicals that are dissolved in air, water, or other liquids. For example, in humans, the sense of taste is mediated by chemoreceptors located on the tongue that detect the presence of different chemicals in food. In contrast, chemoreceptors in the nose are responsible for detecting the presence of different odors in the air.Chemoreceptors are an important component of many physiological processes and play a key role in many behaviors, including feeding, mating, and avoidance of predators. They are also involved in the immune response and other physiological processes. In conclusion, chemoreceptors are chemosensory organs that detect dissolved chemicals.

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