a. In terms of air molecules, explain what gives a balloon its shape when air is blown into it.
b. Why does it stop expanding when you stop blowing air into it?

Answer: Increase Resistance- lenght of conductor, Decrease resistance- Utilize a conductor with a larger cross-section, Decrease Resistance- Cool the conductor to lower its temperature

Explanation:

The resistance of an electric current can increase or decrease depending on the material it's passing through, the length of its path, its cross-sectional area, and the temperature. Lower resistances are found in metals like copper or aluminum, or in paths with a larger cross-sectional area. Higher resistances are found in materials like rubber or glass, in longer paths, or at higher temperatures.

There are several factors that can increase or decrease the resistance of an electric current passing through a body. These could include:

https://brainly.com/question/20382684

#SPJ2

Answer:

If coal and petroleum will get exhausted it will be very difficult for us to transport because most vehicles depends on petroleum, Transport on Earth will became complicated, and if coal will get exhausted we will lose an unique fossil fuel. Coal is used in various domestic and industrial purposes.

Answer:

a. The solute is the substance that is being dissolved, in this case, the red Gatorade mix.

b. The solvent is the substance in which the solute is being dissolved, in this case, water.

c. The solution is the resulting homogeneous mixture of the solute (red Gatorade mix) and the solvent (water).

d. To increase the molarity of the Gatorade in the water, you could add more Gatorade mix to the water while keeping the volume of the solution constant. Alternatively, you could decrease the volume of water while keeping the amount of Gatorade mix constant, which would increase the concentration of Gatorade in the solution.

(Please could you kindly mark my answer as brainliest you could also follow me so that you could easily reach out to me for any other questions)

The smallest molecule in the group, fluorine, or F2, will have the weakest London dispersion forces and the lowest boiling point.

The strength of the intermolecular forces of attraction that a molecule's components exhibit determines its boiling point. In our situation, you must determine how three nonpolar molecules' boiling temperatures relate to one another. The elements that make up group 17 of the periodic table, or the halogens, exist as diatomic molecules. These molecules won't display strong London dispersion forces because they are nonpolar. As a result, since bromine, Br2, is the largest molecule in the group, you may anticipate that it will display the strongest London dispersion forces have the greatest point of boiling.

To know more about Boiling point, visit-https://brainly.com/question/25777663

#SPJ4

Answer:No

Explanation

Myrcene is an abundant monoterpene that occurs as a major constituent in many plant species, including hops and cannabis. The index of hydrogen deficiency of myrcene is 3.

Myrcene is an unsaturated acyclic hydrocarbon. Acyclic hydrocarbons do not contain any ring. Therefore Myrcene does not contain any ring in its structure. There are three double bonds found in myrcene. Myrcene (liquid) appears as a yellow oily liquid with a pleasant odor. It is insoluble in water and less dense than water. It is a popular flavoring and aroma agent (food additive) used in the manufacture of food and beverages. Beta-myrcene is a monoterpene that has a role as a plant metabolite, an anti-inflammatory agent, an anabolic agent and a volatile oil component.

Learn more about myrcene (hydrocarbon) here:

https://brainly.com/question/19453390

#SPJ4

Refer to the attached picture for the structure of compound B and the structure of Myrcene:

The heat capacity for the metals are;

Aluminum -  0.89

Copper - 0.11

Iron - 0.44

Lead - 0.12

The specific heat of a substance is denoted by the symbol "C" and is typically measured in units of J/g·°C (joules per gram per degree Celsius) or cal/g·°C (calories per gram per degree Celsius).

The specific h

We have that;

For Aluminum;

c = 4.184 * 39.85 * 4.7/11.98 * 72.9

= 783.6/873.3

= 0.89

For Copper;

c =  4.184 * 12.14 * 1.9/12.14 * 75.4

= 96.5/915.3

= 0.11

For Iron

c =  4.184 * 40.24 * 2.4/12.31 * 75.1

= 404.1/924.5

= 0.44

For Lead

c = 4.184 * 39.65 * 0.7/12.46 * 76.7

c = 116.1/955.68

= 0.12

Learn more about specific heat:https://brainly.com/question/31608647

#SPJ1

The wavelength of the light will be 9.63 × 10²³ m .The wavelength of the wave is calculated using the frequency formula.

The quantity of cycles finished in a certain amount of time is known as frequency. It also indicates the number of crests that pass past a specific position in a unit of time. It is often referred to as the reciprocal of time. Hertz are used to express frequency (Hz). The frequency of the wave is calculated using the frequency formula.

The total number of times a repeated event occurs in a unit of time is known as its frequency. Depending on the quantities known, various frequency formulas exist to calculate frequency. The terms frequency (f), time period (T), wave speed (V), and wavelength () are all found using the formula for the frequency of a wave.

We know that ,

Frequency= Speed of light/ wavelength

Wavelength= Frequency × Speed of light

=  3.215 ×10¹⁵ × 2.997× 10⁸

= 9.639 × 10²³ m

The wavelength will be obtained by frequency -wavelength formula a and it will come as 9.63 × 10²³ m .

To know more about wavelength, please refer:

https://brainly.com/question/6297363

#SPJ9

At equilibrium, the number of moles of \(Cl_2\) (g) will be 0.2025 mol.

1: Write the balanced chemical equation:

\(C_O\)(g) + \(Cl_2\)(g) ⟶ \(C_OCl_2\)(g)

2: Set up an ICE table to track the changes in moles of the substances involved in the reaction.

Initial:

\(C_O\)(g) = 0.3500 mol

\(Cl_2\)(g) = 0.05500 mol

\(C_OCl_2\)(g) = 0 mol

Change:

\(C_O\)(g) = -x

\(Cl_2\)(g) = -x

\(C_OCl_2\)(g) = +x

Equilibrium:

\(C_O\)(g) = 0.3500 - x mol

\(Cl_2\)(g) = 0.05500 - x mol

\(C_OCl_2\)(g) = x mol

3: Write the expression for the equilibrium constant (Kc) using the concentrations of the species involved:

Kc = [\(C_OCl_2\)(g)] / [\(C_O\)(g)] * [\(Cl_2\)(g)]

4: Substitute the given equilibrium constant (Kc) value into the expression:

1.2 x \(10^3\) = x / (0.3500 - x) * (0.05500 - x)

5: Solve the equation for x. Rearrange the equation to obtain a quadratic equation:

1.2 x \(10^3\) * (0.3500 - x) * (0.05500 - x) = x

6: Simplify and solve the quadratic equation. This can be done by multiplying out the terms, rearranging the equation to standard quadratic form, and then using the quadratic formula.

7: After solving the quadratic equation, you will find two possible values for x. However, since the number of moles cannot be negative, we discard the negative solution.

8: The positive value of x represents the number of moles of \(Cl_2\)(g) at equilibrium. Substitute the value of x into the expression for \(Cl_2\)(g):

\(Cl_2\)(g) = 0.05500 - x

9: Calculate the value of \(Cl_2\)(g) at equilibrium:

\(Cl_2\)(g) = 0.05500 - x

\(Cl_2\)(g) = 0.05500 - (positive value of x)

10: Calculate the final value of \(Cl_2\) (g) at equilibrium to get the answer.

Therefore, at equilibrium, the number of moles of \(Cl_2\) (g) will be 0.2025 mol.

For more such questions on equilibrium, click on:

https://brainly.com/question/517289

#SPJ8

The compound that contains the highest percentage of phosphorus by mass is Sarin (C₄H₁₀FO₂P)

To know the compound with the highest percentage of phosphorus, we shall obtain the percentage composition of phosphorus in each compound. Detrails below:

For Tabun (C₅H₁₁N₂O₂P)

Percentage of P = (mass of P / mass of C₅H₁₁N₂O₂P) × 100

Percentage of P = (31 / 162) × 100

Percentage of P = 19%

For Soman (C₇H₁₆FO₂P)

Percentage of P = (mass of P / mass of C₇H₁₆FO₂P) × 100

Percentage of P = (31 / 182) × 100

Percentage of P = 17%

For Sarin (C₄H₁₀FO₂P)

Percentage of P = (mass of P / mass of C₄H₁₀FO₂P) × 100

Percentage of P = (31 / 140) × 100

Percentage of P = 22%

Thus, from the above calculation, we can conclude that the compound with the highest percent of phosphorus is Sarin (C₄H₁₀FO₂P)

Learn more about percentage composition:

https://brainly.com/question/11952337

#SPJ1

Answer:

We would need to give approximately 15 tablets to the animal.

Explanation:

To solve this problem, we need to first convert the weight of the animal from pounds to kilograms by dividing by 2.205. Then, we can use the desired dosage and weight in kilograms to calculate the total amount of medication needed. Finally, we can divide the total amount of medication needed by the amount of medication per tablet to determine the number of tablets needed.

So, let's start with converting the weight of the animal from pounds to kilograms:

```

54 pounds ÷ 2.205 = 24.49 kilograms (rounded to two decimal places)

```

Next, we can calculate the total amount of medication needed:

```

24.49 kg × 150 g/kg = 3,673.5 g (rounded to one decimal place)

```

We can convert the amount of medication needed from grams to tablets by dividing by the amount of medication per tablet:

```

3,673.5 g ÷ 250 g/tab = 14.69 tablets (rounded up to the nearest whole tablet)

```

Energy lost to condense = 803.4 kJ

Condensation of steam through 2 stages:

1. phase change(steam to water)

2. cool down(100 to 0 C)

1. phase change(condensation)

Lv==latent heat of vaporization for water=2260 J/g

\(\tt Q=300\times 2260=678000~J\)

2. cool down

c=specific heat for water=4.18 J/g C

\(\tt Q=300\times 4.18\times (100-0)=125400\)

Total heat =

\(\tt 678000+125400=803400~J\)

The bactericidal activity of sanitizers prepared from the water will be reduced if the hardness or pH of the water used to prepare EO water or bleach solutions are increased.

Temperature, pH, relative humidity, and water hardness are other physical and chemical variables that affect disinfection processes. For instance, most disinfectants become more active as the temperature rises, but there are some exceptions.

The harder your water is, the less effective cleaning products will be since it will be difficult to make a soapy lather. Scale, which are crusty deposits made by hard water, can build up in your dishwasher or washing machine. Detergent works effectively when used with soft water.

Learn more about disinfection processes here:

https://brainly.com/question/28321155

#SPJ4

The displacement of the balloon at an altitude where the atmospheric pressure is 10.82 inHg would be 9,603.7 L

The displacement of a balloon is determined by the volume of air that it displaces.

Apply Boyle's as follows;

V₁P₁ = V₂P₂

V₂ = (V₁P₁) / P₂

Where;

The final volume is calculated as follows;

V₂ = (3473 x 29.92) / (10.82)

V₂ = 9,603.7 L

Learn more about final volume here: https://brainly.com/question/29441065

#SPJ1

In 5.5ml blood, there will be 3.3 micrograms of iron present.

Iron is used by the body to produce hemoglobin, a protein found in red blood cells that transports oxygen from the lungs to all parts of the body, and myoglobin, a protein that provides oxygen to muscles.

In the given scenario, we need to find iron amount in 5.5ml blood.

We know that,

1ml = 0.001 dl.

5.5ml = 0.055dl.

As we know that there is nearly 60 micrograms of iron per deciliter of blood.

So,  0.055 dl of blood will have 3.3 micrograms of iron.

Thus, the correct answer is 3.3mg.

For more details regarding blood, visit:

https://brainly.com/question/17030548

#SPJ1

Let's consider the neutralization reaction between HCl and NaOH.

NaOH + HCl ⇒ NaCl + H₂O

To determine the pH of the resulting mixture, we need to determine the reactant in excess. First, we will calculate the reacting moles of each reactant.

NaOH: 0.0500 L × 0.500 mol/L = 0.0200 mol

HCl: 0.0750 L × 0.250 mol/L = 0.0188 mol

Now, let's determine the reactant in excess and the remaining moles of that reactant.

                    NaOH    +     HCl ⇒ NaCl + H₂O

Initial           0.0200       0.0188

Reaction    -0.0188       -0.0188

Final         1.20 × 10⁻³          0

The volume of the mixture is 50.0 mL + 75.0 mL = 125.0 mL. Then, 1.20 × 10⁻³  moles of NaOH are in 125.0 mL of solution. The concentration of NaOH is:

[NaOH] = 1.20 × 10⁻³ mol/0.1250 L = 9.60 × 10⁻³ M

NaOH is a strong base according to the following equation.

NaOH ⇒ Na⁺ + OH⁻

The concentration of OH⁻ is 1/1 × 9.60 × 10⁻³ M = 9.60 × 10⁻³ M.

The pOH is:

pOH = -log [OH⁻] = -log 9.60 × 10⁻³ = 2.02

We will calculate the pH using the following expression.

pH = 14.00 - pOH = 14.00 - 2.02 = 11.98

The pH is 11.98. Since pH > 7, the solution is basic.

You can learn more about neutralization here: https://brainly.com/question/16255996

Answer:

There are four states of matter, solid, liquid, gas, and plasma. If something is in a solid state of matter, it has a definite shape and volume. The volume of an object is the amount of space it occupies.

Answer:

////////////////////////////////////////////////////////////////////////////////////////////

Explanation:

The best description of the relationship between population size, carrying capacity, and limiting factors is: "The size of a population usually stays near its carrying capacity due to limiting factors."

Carrying capacity refers to the maximum number of individuals that a particular environment can sustainably support. It represents the limit to which a population can grow given the available resources, such as food, water, and habitat. Limiting factors, on the other hand, are the factors that restrict population growth by reducing birth rates, increasing death rates, or limiting access to resources.As a population approaches its carrying capacity, limiting factors come into play and regulate the population size. These limiting factors can include competition for resources, predation, disease, availability of suitable habitat, and other environmental factors. They act as checks on population growth, preventing it from exceeding the carrying capacity of the ecosystem.

Therefore, the size of a population usually stays near its carrying capacity because the limiting factors ensure that the population does not exceed the available resources and ecological limits of the environment. If the population surpasses the carrying capacity, the limiting factors will intensify, causing a decline in resources and an increase in mortality rates, which ultimately brings the population back towards the carrying capacity.It's important to note that the relationship between population size, carrying capacity, and limiting factors is dynamic and can vary depending on various ecological and environmental factors.

for such more questions on capacity

https://brainly.com/question/29792498

#SPJ8

The physical examination of an organic compound are appearance and physical state, melting point and boiling point, solubility, density, and spectroscopic analysis

Appearance and physical state: observe the appearance of the compound and note its physical state.

Melting point and boiling point: measure the melting point and boiling point of the compound to determine its purity and identity.

Solubility: Test the solubility of the compound in different solvents such as water, ethanol, acetone, etc.

Density: determine the density of the compound to calculate its molecular weight and to assess its purity.

Spectroscopic analysis: use spectroscopic techniques such as nuclear magnetic resonance (NMR), and mass spectrometry (MS) to determine the functional groups, molecular structure, and identity of the compound.

Learn more about organic compound here: https://brainly.com/question/5994723

#SPJ1

The formula for iron (II) sulfate hexahydrate

\(is\)

FeH12O10S

The calculated formula masses to 133.5 amu, we find that the substance with a formula mass closest to 133.5 amu is (d) AlCl3. Therefore, the answer is option D.

To identify the substance with a formula mass of 133.5 amu, we need to calculate the formula mass of each given substance and compare it to 133.5 amu.

(a) MgCl2:

The formula mass of MgCl2 can be calculated by adding the atomic masses of magnesium (Mg) and chlorine (Cl).

Mg: atomic mass = 24.31 amu

Cl: atomic mass = 35.45 amu

Formula mass of MgCl2 = (24.31 amu) + 2(35.45 amu) = 95.21 amu

(b) SCl:

The formula mass of SCl can be calculated by adding the atomic masses of sulfur (S) and chlorine (Cl).

S: atomic mass = 32.07 amu

Cl: atomic mass = 35.45 amu

Formula mass of SCl = 32.07 amu + 35.45 amu = 67.52 amu

(c) BCl:

The formula mass of BCl can be calculated by adding the atomic mass of boron (B) and chlorine (Cl).

B: atomic mass = 10.81 amu

Cl: atomic mass = 35.45 amu

Formula mass of BCl = 10.81 amu + 35.45 amu = 46.26 amu

(d) AlCl3:

The formula mass of AlCl3 can be calculated by adding the atomic mass of aluminum (Al) and 3 times the atomic mass of chlorine (Cl).

Al: atomic mass = 26.98 amu

Cl: atomic mass = 35.45 amu

Formula mass of AlCl3 = 26.98 amu + 3(35.45 amu) = 133.78 amu. Option D

For more such questions on masses visit:

https://brainly.com/question/24191825

#SPJ8

Answer:

C 100% correct. trust me

Explanation:

Only when the given temperature and the other physical variables remain constant does Ohm's law apply. Increasing the current causes the temperature to rise in some components. Here the voltage is 110 V and the current is 240, so the resistance can be measured. The correct option is C.

The relationship between electric current and potential difference is stated by Ohm's law. Under the assumption that all physical parameters and temperatures remain constant, Ohm's law asserts that the voltage across a conductor is directly proportional to the current flowing through it.

Most conductors' current is directly proportional to the voltage applied to them. German physicist Georg Simon Ohm was the first to empirically confirm Ohm's law. Ohm's law is one of the most fundamental and significant principles governing electrical circuits.

The equation is V = IR, 'R' is the resistance and 'I' is the current and 'V' is the voltage.

Thus the correct option is C.

To know more about Ohm's law, visit;

https://brainly.com/question/14796314

#SPJ5

The volume in milliliters is 7357.8 mL.

The term conversion factor refers to the factor that could be used to express the measurement in one unit conveniently in a different unit. This is very important to ensure that the meaning of the measurement can easily be grasped and adapted to different settings.

Now we have the volume of the ball as 449 cubic inches and we know that;

1 cubic inch = 16.3871 milliliter

449 cubic inches =  449 cubic inches * 16.3871 milliliter /1 cubic inch

= 7357.8 mL

Learn more about conversion factor:https://brainly.com/question/20822566

#SPJ1

Answer:

The molecular formula for A is C2H4(NO3)2

The molecular formula for B is C2H6O2

Explanation:

I linked an image that will show the work.

Answer:

a. 1720.

b. 0.0907.

Explanation:

Hello,

In this case, when translating scientific notation to standard notation one should move the decimal place the times the power indicates, that is for a, three places to the right (add zeros to complete it) and for b, two places to the left, therefore, we obtain:

a. 1720.

b. 0.0907.

Best regards.

Answer:

the correct answer is c two molecules of octane

Phosphatidylserine is a type of phospholipid that is mainly found in cell membranes. Its structure is made up of two fatty acid chains, a phosphate group, a serine molecule, and a glycerol molecule.

The fatty acid chains are hydrophobic, meaning they repel water, while the phosphate group and serine molecule are hydrophilic, meaning they attract water.

The glycerol molecule acts as a bridge that connects the two fatty acid chains to the phosphate group and serine molecule.
The structure of phosphatidylserine is important for its function in the cell membrane.

Because of the hydrophobic and hydrophilic components of its structure, phosphatidylserine is able to form a lipid bilayer, which is a barrier that separates the inside of the cell from the outside environment.

The hydrophilic heads of the phosphatidylserine molecules face outward and interact with water, while the hydrophobic tails face inward and repel water.
Phosphatidylserine also plays a role in cell signaling and apoptosis, which is programmed cell death.

It acts as a signaling molecule by binding to proteins that are involved in cellular pathways.

In addition, phosphatidylserine is translocated to the outer leaflet of the cell membrane during apoptosis, which signals to immune cells that the cell is ready to be removed.
In conclusion, the structure of phosphatidylserine is made up of two fatty acid chains, a phosphate group, a serine molecule, and a glycerol molecule. Its hydrophobic and hydrophilic components allow it to form a lipid bilayer in cell membranes, and it also plays a role in cell signaling and apoptosis.

For more such questions on Phosphatidylserine

https://brainly.com/question/16179573

#SPJ8

Answer:

The temperature increasing by a factor of 2.

Explanation:

temperature and volume are directly proportional

Here, we are required to determine which parameter change could have cause the shift in molar volume.

The answer is choice D: The temperature increasing by a factor of 2.

The molar volume is the volume occupied by one mole of a gas at standard temperature and pressure.

Since, the volume, temperature and pressure of an ideal gas are related by the ideal gas equation as follow;

P × V = n × R × T

where;

From the ideal gas equation, it is evident that the Molar volume is directly proportional to the Temperature of the gas. --Charle's law

Consequently, an increase in the molar volume signifies an increase in the Temperature of the gas provided the pressure and all other parameters remain constant.

Therefore, the parameter that could have caused the molar volume of a gas to increase by a factor of two is;

The temperature increasing by a factor of 2.

Read more:

https://brainly.com/question/24542515

The partial pressure of hydrogen gas in the collected gas is 746 torr.

To determine the partial pressure of hydrogen gas in the collected gas, we need to consider the difference between the total pressure of the collected gas and the vapor pressure of water at the given temperature. The partial pressure of hydrogen gas is the pressure exerted by hydrogen alone.

Given information:

Total pressure of the collected gas (Ptotal) = 767 torr

Vapor pressure of water (Pwater) = 21.0 torr

The partial pressure of hydrogen gas (Phydrogen) can be calculated using Dalton's law of partial pressures, which states that the total pressure of a mixture of gases is equal to the sum of the partial pressures of each individual gas.

Phydrogen = Ptotal - Pwater

Plugging in the given values:

Phydrogen = 767 torr - 21.0 torr

Phydrogen = 746 torr

Therefore, the partial pressure of hydrogen gas in the collected gas is 746 torr.

It's important to note that in this calculation, we assume that the water vapor does not react with or dissolve in the hydrogen gas and that the gases behave ideally. Additionally, it's assumed that the collected gas is dry, meaning all the water vapor has been removed or does not significantly contribute to the total pressure.

Fo rmore such questions on partial pressure visit:

https://brainly.com/question/19813237

#SPJ8