1. Matter can (change form/be created)

The average Kinetic energy of the argon atoms is 6.13×10⁻¹⁹ J.

The average kinetic energy of a particle is directly proportional to the temperature of the particle.

To calculate the average kinetic energy of the argon atoms, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence the average Kinetic energy of the argon atoms is 6.13×10⁻¹⁹ J.

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This extremely high temperature indicates that under normal conditions, you do not need to worry about your car tire bursting from overheating as it is unlikely to reach such extreme temperatures.

To determine the temperature at which the tire will burst, we can use the ideal gas law equation:

PV = nRT

Where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature in Kelvin.

Rearranging the equation to solve for temperature, we have:

T = PV / (nR)

Given that the pressure threshold for bursting is 1.4 x 10^3 kPa, the volume is 30 L, and the number of moles of air is 2.5 mol, we can substitute these values along with the ideal gas constant R = 8.314 J/(mol K) into the equation.

T = (1.4 x 10^3 kPa) * (30 L) / (2.5 mol * 8.314 J/(mol K))

Converting kPa to Pa and L to m^3, and simplifying the equation, we find:

T ≈ 20,993 K

This extremely high temperature indicates that under normal conditions, you do not need to worry about your car tire bursting from overheating as it is unlikely to reach such extreme temperatures.

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Answer:

The four different bases pair together in a way known as complementary pairing. Adenine always pairs with thymine, and cytosine always pairs with guanine.

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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Answer:

you need to state the options

Answer:

Different because it depends how long the planets take a single orbit around the sun. :) Hope this helps

Explanation:

Other planets, such as Mars and Jupiter, have year-lengths that are different than the length of a year on Earth.

A planet can be defined as a large astronomical (celestial) body that has sufficient mass to allow for self-gravity and make it assume a nearly circular shape, which is known as hydrostatic equilibrium.

Based on astronomical records, a planet revolves in its orbit around the Sun in the solar system and as such, a planet which is closest to the Sun would travel the fastest while experiencing stronger gravitational pull.

In this context, other planets, such as Mars and Jupiter, have year-lengths that are different than the length of a year on Earth because of the difference in time to perform a single orbit around the Sun.

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Answer:

volume versus temperature, because they are also directly proportional.

Explanation:

Just took the test!

The number of moles of chlorine that are produced if 35.4 grams of aluminum chloride react is 0.37 moles.

The mass in grams of carbon tetrachloride that will be produced from 52.5 grams of Cl₂ is 28.47 grams.

The number of moles of oxygen that are produced if 22.8 grams of potassium chlorate decompose is

The number of moles of chlorine that are produced is calculated as follows:

Equation of reaction:  2 AlCl₃ + 3 F₂ --> 2 AlF₃ + 3 Cl₂

The molar mass of AlCl₃ = 143.5 g/mol

Moles of AlCl₃ that reacted = 35.4/143.5 moles

Moles of Cl₂ produced = 35.4/143.5 * 3/2

Moles of Cl₂ produced = 0.37 moles

The mass in grams of carbon tetrachloride produced will be:

Molar mass of Cl₂ = 71.0 g/mol

Molar mass of carbon tetrachloride = 154 g/mol

Moles of Cl₂ = 52.5/71 moles

Mass of carbon tetrachloride produced = 52.5/71 * 1/4 * 154

Mass of carbon tetrachloride produced = 28.47 grams

The number of moles of oxygen that are produced will be:

Equation of the reaction: 2 KClO₃ ---> 2 KCl + 3 O₂

The molar mass of KClO₃ = 122.5 g/mol

Moles of KClO₃ reacted = 22.8/122.5 moles

Moles of oxygen produced = 22.8/122.5 * 3/2

Moles of oxygen produced = 0.279 moles.

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Answer:

mettaliod

Explanation:

Answer:

Metalloids have properties intermediate between the metals and nonmetals. They can form alloys with other metals. … Some metalloids, such as silicon and germanium, can act as electrical conductors under the right conditions, thus they are called semiconductors.

Explanation:

Mark me as the brainlyest

Answer:

1H2 + O2 -> 2Н2O.

combination reaction.

Answer:

Ball and stick model is 3D and has the atoms depicted as different Coloured balls Conected to each other by "sticks"

fischer projection has the atoms on the side coming out of the plane, the atoms at the ends going behind (going away from you)

bond line notation Is the most common it does not show the C or H bonds but instead carbons are represented by the bends

The three structures of glucose represent three different models, they are ball and stick model, Fischer projection and bond line notation, respectively.

Glucose is a type of simple sugar (carbohydrate) that does not further hydrolyze to give monosaccharides.

Therefore, the three glucose structures reflect three distinct models: the ball and stick model, the Fischer projection, and the bond line notation, respectively.

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To solve this problem using the gas laws, we need to use the Ideal Gas Law. This law states that the product of the pressure and the volume of a gas is proportional to the absolute temperature.

The equation of the Ideal Gas Law is the following:

\(\boxed{\large\displaystyle\text{$\begin{gathered}\sf \bf{\dfrac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2} } \end{gathered}$} }\)

Where:

We clear for V₂:

\(\boxed{\large\displaystyle\text{$\begin{gathered}\sf \bf{V_2=\frac{P_1V_1T_2}{P_2T_1 } } \end{gathered}$} }\)

Where:

Substituting the known values:

\(\boxed{\large\displaystyle\text{$\begin{gathered}\sf \bf{V_2=\frac{760\not{kPa}\times0.050 \ L\times20.0\not{k} }{ 380\not{kPa}\times10.0\not{k} } } \end{gathered}$} }\)

\(\boxed{\large\displaystyle\text{$\begin{gathered}\sf \bf{V_2=\frac{760 \ L}{3800 } } \end{gathered}$} }\)

\(\boxed{\boxed{\large\displaystyle\text{$\begin{gathered}\sf \bf{V_2\approx0.2 \ Liters} \end{gathered}$} }}\)

The statement states that their rms speed ratio would be (v1)rms (v2)rms Equal sqrt m2m1.

In spite of gravity and despite the amount of stuff present, a vapor is a sample of material that adopts the shape of the box in which it is housed and develops an uniform distribution inside the container.

Natural gas is an ancient fuel that formed deep inside the earth's crust. Natural gas contains a wide range of unique compounds... Methane, which is a molecule with one atom of carbon and four atoms, makes up the majority of natural gas (CH4)

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The sublimation is not percent yield of the filtrate does not similar to the calculated one for all these components. The detachment will not be complete if all the ammonium chloride is sublimed.

Sublimation is the type of physical change of solids to alter them directly to gaseous state. It needs much energy to direct the transition of solid to gas. Heating the solid substance at higher temperature will sublime the solid.

The mixture and sand, sodium chloride and ammonium chloride can be distinguished by heating the mixture to sublime the ammonium chloride. The leftover mixture of salt and sand is interacted in water. From which sand can be separated.

Thus,The incomplete separation of sand and NaCl. Percent yield of each will be reduced.

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Answer:

Copper(2+) is an ion of copper carrying a double positive charge. It has a role as a cofactor. It is a divalent metal cation, a copper cation and a monoatomic dication. Oxidation means loss of electron and reduction means gain of electron. In this case Cu donates 2 electrons to form Cu^2+ ion,therefore,its an oxidation process.

Explanation:

Answer:

Average atomic mass of thallium = 204.4 amu.

Explanation:

Given data:

Abundance of thallium-203 = 30%

Abundance of thallium-205 = 70%

Average atomic mass = ?

Solution:

Average atomic mass of thallium = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass)  / 100

Average atomic mass of thallium = (30%×203)+(70%×205) /100

Average atomic mass of thallium =  6090 + 14350 / 100

Average atomic mass of thallium = 20440 / 100

Average atomic mass of thallium = 204.4 amu.

Answer:

Fires --> These consume fuel and convert chemical energy stored in that fuel into thermal light and sound energy.

Decay -->The breakdown of dead plants and animals releases thermal energy.

Earth --> Thermal energy comes from deep inside and it is called geothermal energy.

Answer:

Nacio, is contained in 400 grams of water whose molality ... Molality= moles of solute / mass of solvent in Kg Now molality=0.60 Mass

Explanation:

/////

Answer:

Explanation:

mass of carbon in 10.27 g of CO₂ = 12 x 10.27 / 44 = 2.80 g

mass of hydrogen ( H ) in 3.363 g of H₂O = 2  x 3.363 / 18

= .373 g

These masses would have come from the sample of 6.165 g .

Rest of 6.165 g of sample is oxygen .

So oxygen in the sample = 6.165 - ( 2.8 + .373 ) = 2.992 g

Ratio of C  , H , O in the sample

2.8 : .373 : 2.992

C: H : O : : 2.8 : .373 : 2.992

Ratio of moles

C: H : O : : 2.8/12 : .373/1 : 2.992 / 16

C: H : O : : .2333 : .373 : .187

C: H : O : : .2333/.187 : .373/.187 : .187/.187

C: H : O : : 1.247 : 1.99 : 1

C: H : O : : 5 : 8 : 4 ( after multiplying by 4 )

Hence empirical formula

C₅H₈O₄

Molecular formula ( C₅H₈O₄ )n

n ( 5 x 12 + 8 x 1 + 4 x 16 ) = 132

n x ( 60 + 8 + 64 ) = 132

n = 1

Molecular formula = C₅H₈O₄.

Answer:

Explanation:

RX + AgNO₃ = R⁺ ( carbocation ) + AgX + NO₃⁻

C₂H₅OH ( a nucleophile ) + R⁺ = ROC₂H₅

C₅H₁₁X + AgNO₃ = C₅H₁₁⁺ + AgX + NO₃⁻

In the first case carbocation produced is CH₃CH₂CH₂CH₂CH₂⁺

CH₃CH₂CH₂CH₂CH₂⁺ ⇒  CH₃CH₂CH₂C⁺HCH₃ ( secondary carbocation more stable )

CH₃CH₂CH₂C⁺HCH₃ + C₂H₅OH ⇒ CH₃CH₂CH₂CH(OC₂H₅)CH₃

Hence option D is correct .

b )

In the second case carbocation produced is

CH₃CH₂CH₂CH⁺CH₃

CH₃CH₂CH₂C⁺HCH₃ + C₂H₅OH ⇒ CH₃CH₂CH₂CH(OC₂H₅)CH₃

The product formed is same as in case of first

Option B is correct

Answer:

55.6 °C

Explanation:

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

Mass (M) of diamond = 32.0 g

Initial temperature (T₁) = 33.5°C

Heat (Q) required = 360 J

Specific heat capacity (C) of diamond = 0.509 J/gºC

Final temperature (T₂) =?

Next, we shall determine the change in temperature. This can be obtained as follow:

The final temperature can be obtained as follow:

Mass (M) of diamond = 32.0 g

Heat (Q) required = 360 J

Specific heat capacity (C) of diamond = 0.509 J/gºC

Change in temperature (ΔT ) =?

Q = MCΔT

360 = 32 × 0.509 × ΔT

360 = 16.288 × ΔT

Divide both side by 16.288

ΔT = 360 / 16.288

ΔT = 22.1 °C

Finally, we shall determine the final temperature. This can be obtained as follow:

Initial temperature (T₁) = 33.5°C

Change in temperature (ΔT ) = 22.1 °C

Final temperature (T₂) =?

ΔT = T₂ – T₁

22.1 = T₂ – 33.5

Collect like terms

22.1 + 33.5 = T₂

T₂ = 55.6 °C

Therefore, the final temperature is 55.6 °C.

In this figure, four shapes contains the same text as in the red oval. The text given in the red oval is KTKEIHLPEQMKJAPDEK.

Shape is "the form of an object or its outline, outer boundary or outer surface".

Text is "a collection of words or letters that are understandable by the reader".

Oval is a rounded and slightly elongated outline or shape like that of an egg.

Hence, four shapes contains the same text as in the red oval.

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Answer:

(NH 4) 3P Ionic fu ammonium phosphide 3) Ca 3N 2 Ionic fu calcium nitride 4) Al( NO B) ... If there is a multi-valent metal present, write both the stock and classical name. ... 66 * 10^(23)"atoms of H" The first thing to do here is write the chemical ...

Explanation:

just follow the instructions below.

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The type of movement that occurs in the plate movement listed above include the following:

These are gigantic pieces of the Earth's crust and uppermost mantle and are made up of oceanic crust and continental crust.

A convergent boundary as the name implies occurs when lithospheric plates are moving towards one another.

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Molarity = (moles of solute / volume of solution). Since the moles of solute (trypticase) stays the same, the molarity increases when the volume of solution decreases.

The volume of a word is an expression of the amount of content in a written piece. It can be measured in terms of the number of words, pages, or characters contained within a text. A text with a high volume will contain more content than a text with a low volume. Plagiarism-free writing is essential for a text to have a high volume, as plagiarized content does not contribute to the overall value of the piece.

The new molarity of trypticase in the cell growth medium would be 48 μM.

Molarity = (moles of solute / volume of solution)

Molarity (original) = (12 μM / 58 mL)

Molarity (new) = moles of solute (original) / volume of solution (new)

Molarity (new) = (12 μM * 58 mL) / 16 mL

Molarity (new) = 48 μM

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Answer:

conclusions i think i am not confirmed

Answer:

b-data

Explanation:

right on the unit test review on edge

brainliest???

Answer: A

Explanation: Decrease in the concentration of OH-

The change that would decrease the pH of a base in a solution at equilibrium would be decreasing the concentration of OH– ions.

The pH of a solution refers to the negative logarithm of hydrogen ion concentration of the solution.

The higher the concentration of hydrogen ions, the lower the pH of the solution.

Usually, a base has a high pH. The more concentrated a base is, the higher the pH of the solution.

To decrease the pH of a base in solution, the concentration of hydrogen ions must far exceed the concentration of hydroxide ions and that can only be achieved by decreasing the concentration of OH– ions.

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From the solubility curve, it is clear that 84 g of potassium nitrate can be dissolved in 100 g of water at 50°C.

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.Concept of solubility is not valid for chemical reactions which are irreversible. The dependency of solubility on various factors is due to interactions between the particles, molecule or ions.

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Tamika claims that the area was once submerged in water, indicating that she is researching the rock formations in an attempt to understand the geological history of the area.

Rock strata reveal important details about Earth's ancient habitats, including whether or not any bodies of water were present. By evaluating the characteristics of sedimentary rocks, such as their composition, texture, and the existence of specific fossils or sedimentary structures, Tamika can draw inferences about the past conditions of the region. Indicators indicating the area was originally submerged under water include the presence of marine fossils, wave patterns, or cross-bedding in rock layers.

Overall, Tamika's analysis of the rock layers sheds light on the region's geological past, including the presence of water and changes in sea level over time.

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