a motorcycle tire when properly inflated contains 0.406 mol of air and has an internal volume of 1.52 liters (l). the tire will burst if its internal pressure reaches 7.25 atm. to what temperature, in oc, does the air in the tire need to be heated to cause a blowout?

The solvent we use for extraction is diethyl ether and the solvent we use for the recrystallization is acetone.

Trimyristin is more soluble in diethyl ether rather than in acetone. In order to get extracted from the nutmeg, Trimyristin has to be soluble in the solvent.

Why is Trimyristin more soluble in diethyl ether?

To learn more about extraction and recrystallization visit:

https://brainly.com/question/12910778

#SPJ4

When preparing a solution in a cuvette, make sure to handle the cuvette by the textured side and avoid touching the smooth sides. Then, wipe down the cuvette before placing it in the spectrophotometer.

The cuvette is made up of silica quartz. So care must be ensured before using a cuvette. Gloves free from powder must always be worn when handling cuvettes. The most common cause of cuvette malfunction and unreliable readings is fingerprints. To prevent any harm to the lower region of the cell where the light enters, cuvettes should always be held by the upper component of the cell.

You can learn more about cuvettes from the following link;  

https://brainly.com/question/29384808

#SPJ4

Answer:

130.5g

Explanation:

At the of the reaction, the combined mass of X and Y will be 130.5g.

The premise for this conclusion is based on the law of conservation of matter.

This law states that "in a chemical reaction, matter is neither created nor destroyed but changed from one form to another".

In essence, in a chemical reaction, there is no mass loss.

The product of an acid-base reaction that is most likely to be an ionic compound is a salt. Option D).

In an acid-base reaction, the product that is most likely to be an ionic compound is a salt. A salt is formed when an acid reacts with a base, resulting in the transfer of ions between the two reactants. Acids typically release hydrogen ions (H+) when dissolved in water, while bases release hydroxide ions (OH-). When these ions combine, they form water (H2O), which is a neutral molecule.

However, in addition to water, the reaction between an acid and a base also produces a salt. A salt is an ionic compound composed of positive and negative ions. The positive ion usually comes from the base, while the negative ion comes from the acid. The combination of these ions results in the formation of an ionic compound, which is commonly referred to as a salt.

Therefore, the product of an acid-base reaction that is most likely to be an ionic compound is a salt. Hence option D) is correct.

For more question on salt

https://brainly.com/question/20835655

#SPJ8

The difference in solubility can be attributed to the difference in Ksp values. Since magnesium hydroxide has a significantly higher Ksp value compared to aluminum hydroxide, it is more soluble in water.

The solubility product constant (Ksp) is a measure of a compound's solubility in water. A lower Ksp value indicates lower solubility, while a higher Ksp value indicates greater solubility. In this case, aluminum hydroxide has a Ksp of 1.2 x 10^-33 at 25°C.

Comparing this to the Ksp of magnesium hydroxide, which has a Ksp of 5.61 x 10^-12 at 25°C, it is clear that magnesium hydroxide is more soluble than aluminum hydroxide.

Here, magnesium hydroxide (Mg(OH)2 has a significantly higher Ksp value compared to aluminum hydroxide Al(OH)3, and so is more soluble in water. This higher solubility of magnesium hydroxide means it is more likely to dissolve and dissociate into its ions when mixed with water, making it a more effective antacid. In conclusion, based on the Ksp values provided, magnesium hydroxide is more soluble than aluminum hydroxide at 25°C.

To know something about the solubility product constant (Ksp), click below.

https://brainly.com/question/31605015

#SPJ11

A chemical reaction rate can be increased by either increasing the temperature or decreasing the activation energy.

The rate of a chemical reaction is influenced by several factors, including temperature and activation energy.

1. Increasing the temperature: When the temperature is increased, the average kinetic energy of the reactant molecules also increases. This results in more frequent and energetic collisions between the reactant molecules, leading to a higher probability of successful collisions and increased reaction rate. Additionally, an increase in temperature can provide the reactant molecules with sufficient energy to overcome the activation energy barrier.

2. Decreasing the activation energy: Activation energy is the minimum energy required for a reaction to occur. By decreasing the activation energy, either through the use of a catalyst or by adjusting the reaction conditions, the barrier for the reaction to proceed is lowered. This allows a larger fraction of the reactant molecules to possess the necessary energy to overcome the reduced activation energy, resulting in an increased reaction rate.

learn more about chemical reaction here

https://brainly.com/question/29762834

#SPJ11

Answer:

They must be dissolving.

Explanation:

Acid molecules must cling to remaining food molecules and slowly dissolve them.

Answer: Matter is made of atoms. Solids, liquids, gases, and plasma are all matter. When all atoms that make up a substance are the same, then that substance is an element. Elements are made of only one kind of atom.

Explanation:

Answer: 20.16cm³ of CO₂ produced

Explanation: the equation for the reaction between carbon monoxide (CO) and oxygen (O2) is:

2CO (g) + O₂ (g) → 2CO₂ (g)

Given that 20 cm³ of carbon monoxide is reacted with 10 cm³ of oxygen. From the equation,

we can see that two molecules of CO react with one molecule of O₂to produce two molecules of CO₂

Since we have 20 cm³ of CO and 10 cm³ of O₂, we can calculate the number of moles of CO and O₂ as follows:

CO: 20 cm³ x (1 mole / 22.4 cm³) = 0.89 moles

O₂: 10 cm³ x (1 mole / 22.4 cm³) = 0.45 moles

Since two molecules of CO react with one molecule of O₂, the number of moles of O₂ is half the number of moles of CO. Since we have 0.45 moles of O₂, we can calculate the number of moles of CO₂ produced as follows:

0.45 moles x 2 = 0.9 moles

Finally, to find the volume of CO₂ produced, we can multiply the number of moles of CO₂ by the volume occupied by one mole of CO₂:

0.9 moles x 22.4 cm³/mole = 20.16 cm³

Read more about stoichiometry and mole concept:

https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Beginning_Chemistry_(Ball)/05%3A_Stoichiometry_and_the_Mole#:~:text=5.2%3A%20Stoichiometry,mass%20in%20atomic%20mass%20units.

The main reservoirs of the carbon cycle are the atmosphere, oceans, land (including vegetation and soils), and fossil fuels. In these reservoirs, carbon exists in both inorganic and organic forms.

The inorganic carbon cycle involves the exchange of carbon dioxide (CO2) between the atmosphere and oceans through processes like photosynthesis and respiration.

Organic carbon, on the other hand, is found in living organisms, dead organic matter, and soil organic matter. It is cycled through processes such as decomposition and consumption by organisms. The interactions between the inorganic and organic carbon cycles occur primarily in the biosphere, where photosynthesis converts inorganic carbon into organic carbon compounds. While inorganic carbon is primarily in the form of CO2, organic carbon is present in complex organic molecules. Both forms of carbon play crucial roles in energy transfer, nutrient cycling, and climate regulation.

Learn more about Carbon Cycle

brainly.com/question/13729951

#SPJ11

Answer:

The difference between an innate behavior and a learned one is that innate behaviors are those an animal will engage in from birth without any intervention. Learned behavior is something an animal discovers through trial, error and observation.

Explanation:

Answer:

1.  C

2.  C

3.  A

4.  C

5.  True

6.  C

Explanation:

1. C  The answer is conduction because the heat was transferred through direct contact.

2. C  The answer convection because the heat was transferred through a medium (liquid/gas).

3. A  The answer is conduction because the heat was transferred through direct contact.

4. C  The answer is radiation because the heat was transferred through thermal emission.

5. True.  This is because the air that is warmed rises, causing the cool air to replace it.  You can picture it like the scenario in question 2.

6. C  

Answer:

it helps in respiration

A monotonic sequence is a sequence of numbers in which the terms consistently increase or consistently decrease as the sequence progresses. The sequence an = 4ne^(-7n) is decreasing. To determine if the sequence is bounded, we need to analyze the behavior of the sequence as n approaches infinity.

In the monotonically increasing sequence, each term is greater than or equal to the previous term. In the monotonically decreasing sequence, each term is less than or equal to the previous term. In the non-monotonic sequence, the terms do not consistently increase or decrease. As n approaches infinity, the term 4ne^(-7n) approaches 0. Therefore, the sequence is bounded from above by 0. However, the sequence is not bounded from below as it continues to decrease indefinitely. Therefore, the sequence is bounded above but not bounded below.

Learn more about monotonic sequence here:

brainly.com/question/32622115

#SPJ11

Answer:

Kinetic energy is the energy possessed by an object in motion.

Answer:

4NH3 + 3O2 → 2N2 + 6H2O

Explanation:

The question is incomplete, the complete question is;

Each sentence describes potential and kinetic energy at various locations on a slide. Complete each statement by selecting the position of the object on the slide.

An object at position has all kinetic energy. A B or C

An object at position has all potential energy. A B or C

An object at position has about half potential energy and half kinetic energy. A B or C

Answer:

An object at position C has all kinetic energy.

An object at position A has all potential energy.

An object at position B has about half potential energy and half kinetic energy.

Explanation:

Lets take a good look at the image.

At position A, the object is stationary and we know that the energy possessed by an an object by virtue of its position is known as potential energy. Hence at A, the energy possessed by the body is all potential.

At position B, the total mechanical energy of the object becomes potential energy + kinetic energy as the object is now in motion.

At position C, the object is still in motion and the energy is all kinetic.

Answer:

C

A

B

Explanation:

Answer:

They both combine with The help of valency, which is the combining capacity of elements

Explanation:

I find it easier to understand valency as part of the Bhor’s model of an atom.

In his model, it was stated that electrons are spread around the nucleus in such a way that there are rings around the model. Each ring has a n value. So, k has 1, l has 2, m has 3 and n has 4...

what you need to know to find the number of electrons in each ring is to solve the formula 2n squared

Then, the valency is the 8 minus the number of electrons in the outermost shell. Remember that 8 is max number I;outer most shell. If you try it out for oxygen, you will get the value of 2 remaining, which can be gained if combined with calcium.

Hope it helps

Answer:

The cell wall surrounds the plasma membrane of plant cells and provides tensile strength and protection against mechanical and osmotic stress.

Hydrogen is lighter than air, so it is collected upwards because the gas rises.

Hydrogen burns in air and produces a squeaky pop sound that is like no other.

Calcium carbonate reacts with any acid to produce carbon dioxide gas.

When calcium chloride is added to magnesium sulfate, no reaction occurs.

The chemical element hydrogen is represented by the letter H and atomic number 1.

The lightest element is hydrogen. Under normal circumstances, hydrogen is a gas made up of diatomic molecules with the formula H₂.

It is non-toxic, tasteless, colorless, odorless, and extremely flammable.

Learn more about hydrogen gas at: https://brainly.com/question/19813237

#SPJ1

Answer:

The specific heat of the sample unknown metal is approximately 0.45 J/g °C.

General Formulas and Concepts:
Thermodynamics

Specific Heat Formula: \(\displaystyle q = mc \triangle T\)

Explanation:

Step 1: Define

Identify variables.

m = 112 g

ΔT = 20.0 °C

q = 1004 J

Step 2: Solve for c

∴ specific heat capacity c is equal to around 0.45 J/g °C.

---

Topic: AP Chemistry

Unit: Thermodynamics

Explanation:

The molecules of solids are shrinked in there normal state . but as a heat energy is produced , the molecules starts curating fast and fast as temperature goes up . since they vibrate , they hit and collide each other breaking the bondings this increases the surface of area of the solid , and molecules consumes that space and they expand .

To make 1 liter of a 10% NaCl solution from a solid stock, you will require the following materials and containers.MaterialsSolid NaClDistilled water1-Liter volumetric flask250-mL volumetric flask 2-beakersProcedureTo prepare 1 liter of a 10% NaCl solution, the following procedure should be followed:Measure out 100g of NaCl using a balance.

Measure the weight of an empty 250-mL volumetric flask.Add the NaCl to a 250-mL beaker and add a small amount of distilled water to it to dissolve the NaCl.Carefully pour the dissolved NaCl solution into the 250-mL volumetric flask. Add distilled water to the mark on the flask to make up the volume. Stopper the flask and invert it several times to mix the solution.Measure the weight of the 1-Liter volumetric flask.Add the 250-mL volumetric flask solution to a 1-Liter volumetric flask.Add distilled water to the mark on the flask to make up the volume.

Stopper the flask and invert it several times to mix the solution.The final volume of the solution will be 1 liter of a 10% NaCl solution.PrecautionsEnsure the NaCl has completely dissolved before adding more water to avoid making a less concentrated solution.Measure the weight of the volumetric flask before and after adding the solution to calculate the volume of solution that was added.Use distilled water to prepare the solution.

To know more about volumetric flask  visit:-

https://brainly.com/question/28997155

#SPJ11

Answer:

BRO IM IN ONLY 7TH GRADE

Explanation:

Answer:

A noble gas configuration of an atom consists of the elemental symbol of the last noble gas prior to that atom, followed by the configuration of the remaining electrons. So for sodium, we make the substitution of [Ne] for the 1s22s22p6 part of the configuration. Sodium's noble gas configuration becomes [Ne]3s1. That is the answer.

Explanation:

Brainliest Please.

Answer:

b

Explanation:

Answer:

It contracts and relaxes awnser is a

Explanation:

im from flvs

Scientist mean when he or she says an object is at rest then the object is not moving relative to its surroundings

Velocity of the object is said to be uniform when its speed and direction does not change and the object at rest has uniform speed of zero all the time and does not even change the direction and when object is at rest position then the velocity is zero such an object will not change its state of motion that's why when he or she says an object is at rest the scientist says that the object is not moving relative to its surroundings

Know more about object

https://brainly.com/question/14362959

#SPJ1

Answer:

\(31.8\ moles = 1.91 * 10^{25}\ molecules\)

Explanation:

Given

31.8 moles of water

Required

Determine the number of molecule

In standard units: 1 molecule of water is:

\(1\ mole = 6.022 * 10^{23}\ molecules\)

Multiply both sides by 31.8

\(31.8 * 1\ mole = 31.8 * 6.022 * 10^{23}\ molecules\)

\(31.8\ moles = 31.8 * 6.022 * 10^{23}\ molecules\)

\(31.8\ moles = 191.4996 * 10^{23}\ molecules\)

Express 191.4996 as a standard form

\(31.8\ moles = 1.914996 * 10^2 * 10^{23}\ molecules\)

Apply law of indices:

\(31.8\ moles = 1.914996 * 10^{2+23}\ molecules\)

\(31.8\ moles = 1.914996 * 10^{25}\ molecules\)

Approximate:

\(31.8\ moles = 1.91 * 10^{25}\ molecules\)