QUESTION 2: How is velocity different from speed? *
1 point
Velocity is when an object goes in reverse
Velocity is the direction an object moves in, and it has nothing to do with speed
Velocity is speed and direction together

The amount of SO3 in the container after the system returns to equilibrium is 0.65916 mol.

The balanced chemical equation for the reaction of SO2, NO2, and O2 to form SO3 and NO is:

SO2(g) + NO2(g) + 1/2O2(g) ⇌ SO3(g) + NO(g)

Let x be the change in the concentration of SO3(g) due to the reaction of NO(g) with O2(g).

Therefore, [NO(g)] decreases by x, [O2(g)] is completely consumed by the reaction, and [NO2(g)] and [SO2(g)] remain constant.

Thus, the equilibrium concentrations of the species are:

[SO2(g)] = 0.363 M[NO2(g)] = 0.363 M[SO3(g)] = 0.659 M[NO(g)] = 0.689M - x

The concentration of O2 is not given, so the reaction quotient (Qc) can not be calculated. Instead, the equilibrium constant, Kc can be used to calculate the equilibrium concentration of SO3.

Kc = ([SO3][NO])/([SO2][NO2])

Kc = (0.659 M * (0.689 M - x)) / ((0.363 M)^2)

Kc = 3.12x10^(-3)Solve for x:x = 1.60 × 10^(-4)M

The change in the concentration of SO3 is x = 1.60 × 10^(-4)M.

Therefore, the equilibrium concentration of SO3 is:

[SO3(g)] = 0.659 M + 1.60 × 10^(-4)M[SO3(g)]

= 0.659 M + 0.000160 M[SO3(g)]

= 0.65916M

Therefore, the amount of SO3 in the container after the system returns to equilibrium is 0.65916 mol.

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Answer:

A. Yes.

Explanation:

“Real” golf balls (the kind you play a round of golf with) sink because they are denser than water. “Fake” golf balls (the kind you use at a mini-golf course) float because they are hollow and thus, less dense than the water they're floating on.

Answer:

1.

a. 1.2   x 10^−4 mm

b. 5.6  x 10^5  cm

c. 3.34 x 10^4  kg

d. 4.12  x 10^-4 s

2.

a. 70.5 g

b. 40.0005

c. 23500

Explanation:

The following measurements in scientific notation are:

 a. 0.000 12 mm = 1.2 × 10⁻⁴mm

 b. 560000 cm  = 5.6 × 10⁵  cm

 c. 33400 kg   =  3.34 × 10⁴ kg

 d. 0.0004120 = 4.12 × 10⁻⁴ s

The following measurements are in scientific notation, by writing them in ordinary notation, we have:

 a 7.050 × 10 = 70.50 g

 b. 4.00005 × 10 = 40.0005 mg

 c. 2.3500 × 10⁴ mL = 23500 mL

Scientific notation is a better method of writing and expressing a large number in smaller acceptable ways. This is done by counting the decimal place before the real numbers and multiplying it to their power of 10.

In the first case, we count the position of the real numbers and raise it to the power of 10.

So, counting from the front part to the back takes a negative power and vice versa. (i.e counting from the back to the front takes a positive power).

 a. 0.000 12 mm = 1.2 × 10⁻⁴mm

 b. 560000 cm  = 5.6 × 10⁵  cm

 c. 33400 kg   =  3.34 × 10⁴ kg

 d. 0.0004120 = 4.12 × 10⁻⁴ s

An ordinary notation is an ideal method of writing scientific notations back to their normal ordinary ways. From the given information, the scientific notation can be written in ordinary ways as follows:

 a 7.050 × 10 = 70.50 g

 b. 4.00005 × 10 = 40.0005 mg

 c. 2.3500 × 10⁴ mL = 23500 mL

Therefore, we can conclude that we clearly understood the difference between scientific notation and ordinary notation and how to compute figures in either scientific notation and ordinary notation.

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Answer: it’s called a phase

Explanation: because they do not mix evenly instead they form two separate layers.

Hope this helps

Answer: phase

Explanation:

When an allergen binds with IgE antibodies on mast cells, resulting in release of chemical mediators, this reaction is called Type I reactions.

The Type I reactions is also known as immediate hypersensitivity reaction.

This reaction involve immunoglobulin E ( IgE ) - mediated release of histamine and other mediators from mast cells and basophils .

Examples : anaphylaxis and allergic rhinoconjunctivitis.

The IgE molecules bind to high - affinity receptors on the surface of mast cells and basophils and the subsequently cross-linking of these molecules with the allergen releases performed and newly synthesized mediators.

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Answer:

the limiting reactant is aluminum

Explanation:

Answer:

2 aluminum reacts with sulfuric acid

Answer:

I believe it would be a solution I could be wrong tho

Explanation:

Answer:

a solution

Homogeneous mixtures (solutions)

Explanation:

Lemonade is a special type of mixture called a solution.

...................................................................................................................................................

What type of mixture is made by thoroughly mixing powdered lemonade with water?

Homogeneous mixtures (solutions)

Mixtures with substances dissolved evenly into one another, like pink lemonade powder dissolved in water, are called homogeneous mixtures, or solutions.

Each crew member receives three wholesome meals daily along with snacks. The food for each astronaut is kept onboard the Shuttle and is given a unique color dot to identify it.

This is further explained below.

Generally, Being bigger than only Mercury, Mars is the second-smallest planet in the Solar System and is located four planets from the Sun. The Roman god of battle is the inspiration for the name of Mars in English.

It provides each member of the crew with three meals that are well-balanced, in addition to snacks. On board the Space Shuttle is where all of the astronauts' food is kept, and each individual box has a colorful dot that identifies it.

In conclusion, For example, traveling to Mars and returning may take more than three years and need the supply of thousands of kg of food. If the crew of four were to consume merely three meals per day while on their three-year voyage to Mars, they would need to bring more than 24,000 pounds (10,886 kilograms) of food with them.

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Answer:

it's is math that you can answer with your sister and your mother

Answer:

346 degrees because 326+20= 346

The Ph range is 4.991 TO 9.076.

The dissolution of Mg(oh)2 is decreased by

Mg(oh)2 → Mg 2+  + 2OH-

PKsp = 11.15

Ksp =  \(10^{-11.5}\)

OH- = 7.07 × \(10^{-12}\)/0.050

Poh = - log 7.07 × \(10^{-12}\)  = 4.924

The Ph range is 9.076

The dissolution of Cu(oh)2 is decreased by

Cu(oh)2 → Cu 2+  + 2OH-

PKsp = 19.32

Ksp = \(10^{-19.32}\)

OH- = 9.7863 × \(10^{-10}\)

Poh = - log  9.7863 × \(10^{-10}\) = 9.009

The Ph range is 4.991 to 9.076

Water's pH is a gauge of how acidic or basic it is. The range is 0 to 14, with 7 serving as the neutral value. Acidity is indicated by pH values below 7, whereas baseness is shown by pH values over 7. In reality, pH is a measurement of the proportion of free hydrogen and hydroxyl ions in the water. Water that contains more free. hydrogen ions. is acidic, whereas water. that contains. more free hydroxyl. ions is basic. Since chemicals in the water can change pH, pH is a crucial sign of a chemical change in the water. "Logarithmic units" are used to express pH. Each value corresponds to a 10-fold variation in the water's acidity or basicity. Water with a pH. of 5 is 10 times. more acidic. than water.

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Answer:

it would be b

Explanation:

because when the roller coaster is going downhill it is moving faster so that means there is potential energy becoming kinetic energy because kinetic energy is made from movement

Answer:  1

Explanation: Because it is not moving

a) The Lennard-Jones potential predicts the separation r_eq at the minimum energy U_min.

b) The U_min for this interaction at T=298 K is the value obtained from the Lennard-Jones potential equation when r=r_eq.

c) The ratio of U_min to the purely attractive van der Waals component of the interaction potential at r_eq can be calculated by comparing the attractive part (-A/r^6) to the total potential energy U_min.

d) The ratio of r_eq to r_0, where u(r_0)=0.4, can be determined by finding the value of r_eq where the potential energy is equal to 0.4 times the total potential energy at r=r_0.

e) The ratio of r_s to r_0, where r_s is the separation where the magnitude of the attractive adhesion force is maximum, can be determined by finding the value of r where the derivative of the potential energy with respect to r is equal to zero.

f) The value of F_max between the two atoms can be obtained by taking the negative derivative of the potential energy equation with respect to r and evaluating it at r=r_s.

a) The Lennard-Jones potential provides information about the relationship between energy and separation between two interacting atoms.

At the minimum energy (U_min), the potential predicts the separation r_eq, which corresponds to the equilibrium distance between the atoms. This is the distance at which the energy of the system is at its lowest point.

b) To determine the value of U_min at a given temperature (T=298 K), you can substitute the equilibrium separation r_eq into the Lennard-Jones potential equation and calculate the resulting energy value.

This will give you the U_min for the interaction.

c) The Lennard-Jones potential consists of two components: an attractive component (-A/r^6) and a repulsive component (B/r^12).

The ratio of U_min to the purely attractive van der Waals component of the interaction potential at r_eq can be calculated by comparing the magnitude of the attractive component to the total potential energy at the equilibrium separation.

This ratio provides insights into the relative contribution of the attractive force to the overall potential energy at equilibrium.

d) The ratio of r_eq to r_0 can be determined by finding the value of r_eq where the potential energy is equal to 0.4 times the total potential energy at r=r_0.

In other words, you need to solve the Lennard-Jones potential equation for r_eq when the potential energy is equal to 0.4 times the potential energy at r=r_0.

e) The ratio of r_s to r_0 is obtained by finding the value of r where the magnitude of the attractive adhesion force is maximum.

This can be determined by finding the separation r where the derivative of the potential energy equation with respect to r is equal to zero.

The value of r_s represents the separation at which the attractive force between the atoms is strongest.

f) The value of F_max between the two atoms can be obtained by taking the negative derivative of the Lennard-Jones potential energy equation with respect to r and evaluating it at r=r_s.

This will give you the magnitude of the maximum attractive adhesion force between the atoms.

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Answer:

Its C

Explanation:

Ok. You really know how.

Answer:

the answer would be b

Explanation:

Simply transfer the cold plate/processors to the new system board; there is no need to remove the processor or disrupt the thermal material bond from the cold plate.

A cold-water conduit into your CPU is only one form of liquid cooling; there are a few others as well. Some server cabinets have chilled rear doors where cool air is pushed onto the server and cold water is piped through.

Microsoft is one of the IT corporations working with cold plate technology, which uses pipes of liquid to cool servers through metal plates. By employing it to cool the chips that record digital currency transactions, participants in the cryptocurrency business invented liquid immersion cooling for computing hardware.

The water block's coolant absorbs the heat from the CPU. To keep the processor or graphics card cold, a cooling liquid is known as coolant loops around the cooling kit. To remove air bubbles from the liquid as it circulates, the reservoir stores extra coolant.

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Answer:

1425 mmHg.

Explanation:

The following data were obtained from the question:

Initial volume (V1) = 1.5 L

Initial pressure (P1) = 1 atm

Final volume (V2) = 0.8 L

Final pressure (P2) =?

Next, we shall determine the final pressure of the gas by using the Boyle's law equation as follow:

P1V1 = P2V2

1 × 1.5 = P2 × 0.8

1.5 = P2 × 0.8

Divide both side by 0.8

P2 = 1.5/0.8

P2 = 1.875 atm

Finally, we shall convert 1.875 atm to mmHg.

This can be obtained as follow:

1 atm = 760 mmHg

Therefore,

1.875 atm = 1.875 × 760 = 1425 mmHg.

Therefore, the new pressure of the gas is 1425 mmHg.

Answer:

234.6

Explanation:

Answer:

The new  volume of the gas when the pressure is changed to 2.84 atm is 822.82 mL.

Explanation:

Boyle's law says that "The volume occupied by a given gaseous mass at constant temperature is inversely proportional to pressure." That is, if the pressure increases, the volume decreases, while if the pressure decreases, the volume increases.

Boyle's law is expressed mathematically as:

Pressure * Volume = constant

or

P * V = k

Assuming that you have a certain volume of gas V1 that is at a pressure P1 at the beginning of the experiment, by varying the volume of gas to a new value V2, then the pressure will change to P2, and it will be fulfilled:

P1*V1=  P2*V2

In this case:

Replacing:

9.86 atm* 237 mL= 2.84 atm*V2

and solving you get:

\(V2=\frac{9.86 atm* 237 mL}{2.84 atm}\)

V2= 822.82 mL

The new  volume of the gas when the pressure is changed to 2.84 atm is 822.82 mL.

Answer:

The actinides and the lanthanides

Option D, NaCl(aq) + AgNO3(aq) → NaNO3(aq) + AgCl(s), is the balanced chemical equation that represents a single-replacement reaction.

What is Replacement Reaction?

In chemistry, a replacement reaction is a type of chemical reaction where one element replaces another in a compound. The general formula for a replacement reaction is:

A + BX → AX + B

where A and B are elements, and X is an anion that can combine with A and B. In this reaction, A replaces B in the compound BX, forming a new compound AX and releasing the element B as a free element. Replacement reactions can be of two types: single replacement reactions and double replacement reactions, depending on whether one or two elements are replaced in the reaction.

In this reaction, sodium (Na) replaces silver (Ag) in the compound AgNO3 to form NaNO3, and silver is released as a free element in the form of AgCl.

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Answer:

Refer to the picture.

Answer:

c. 56

Explanation:

Convert molecules --> moles --> grams

1.2 x 1024 molecules CO * 1 mol/6.022 x 1023 molecules * 28.01 g/1 mol = 55.8153438

Rounded is 56

Let me know if you need further explanation!!

Answer:

132.12 grams

Explanation:

The mass of a compound equals the number of moles times the molar mass.

The molar mass of hydroxylamine is 33.03 grams/mole

The number of moles is 4 moles

4 moles * 33.03 grams/mole = 132.12 grams

According to solubility rules, water insoluble  compound should not dissolve in water.

Solubility is defined as the ability of a substance which is basically solute to form a solution with another substance. There is an extent to which a substance is soluble in a particular solvent. This is generally measured as the concentration of a solute present in a saturated solution.

The solubility mainly depends on the composition of solute and solvent ,its pH and presence of other dissolved substance. It is also dependent on temperature and pressure which is maintained.

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Answer: The vapor pressure of ethanol at \(26.3^{o}C\) is 238.3 torr.

Explanation:

Given: \(\Delta H_{vap}\) = 38.6 kJ/mol

\(T_{1} = 26.3^{o}C = (26.3 + 273) K = 299.3 K\)

\(T_{2} = 78.4^{o}C = (78.4 + 273) K = 351.4 K\)

Formula used to calculate the vapor pressure of ethanol is as follows.

\(ln\frac{P_{2}}{P_{1}} = \frac{\Delta H_{vap}}{R} [\frac{1}{T_{1}} - \frac{1}{T_{2}}]\\\)

Substitute the values into above formula as follows.

\(ln\frac{P_{2}}{P_{1}} = \frac{\Delta H_{vap}}{R} [\frac{1}{T_{1}} - \frac{1}{T_{2}}]\\ \\ln \frac{760 torr}{P_{1}} = \frac{38600 J}{8.314 J/mol K}[\frac{1}{299.3} - \frac{1}{351.4}]\\\frac{760}{P_{1}} = 3.18\\P_{1} = 238.3 torr\)

Thus, we can conclude that the vapor pressure of ethanol at \(26.3^{o}C\) is 238.3 torr.

Answer: No

Explanation:

The belief that Americans should be allowed to freely express themselves originated with the First Amendment to the United States Constitution.

The First Amendment, which was ratified in 1791 as part of the Bill of Rights, guarantees the freedom of speech, religion, press, assembly, and the right to petition the government. It was a foundational principle of the American democratic system and reflected the values of individual liberty and the importance of open discourse in a free society. The First Amendment continues to serve as the cornerstone of free expression in the United States, protecting the rights of individuals to voice their opinions, beliefs, and ideas without fear of government censorship or reprisal.

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Answer:

I think it's C

Explanation:

all the other ones are homogeneous because they are uniform and the same when mixed

a. lemonade is one color(yellow when mixed the same throughout)

b. omelet is scrambled together and the cheese and eggs melt together to be one

c.ice cubes and water are the same, both water

trail mix is the only different one made with different ingredients that standout

hetero- different (trail mix)

homo- same (lemonade)

Answer:

wow ok have fun

Explanation:

Answer:

hiiiiiiiii

Explanation:

thank you