A 75.0-g sample of dinitrogen monoxide is confined in a 3.1-L vessel. What is the pressure (in atm) at 115°C?

Answer:

The ionisation energy increases.

Explanation:

This is because the force of attraction between the electrons and the positive nucleus will increase

The volume of the gas when temperature is increased will be less than 160.8 L.

Combined gas law:

This law states that " the ratio between the product of pressure, volume and temperature of a system remains constant".

(P₁V₁) / T₁ = (P₂V₂) / T₂

⇒ V₂ = (P₁V₁T₂) / (P₂T₁)

Where,

P₁ is the initial pressure

V₁ is the initial volume

T₁ is the initial temperature

P₂ is the final pressure

V₂ is the final volume

T₂ is the final temperature

From the relation of pressure, volume and temperatures it can be determined that how volume will change with temperature. When the temperature increases the volume of the gas decreases as the volume is inversely proportional to temperature.

Hence, the volume of sample of nitrogen will be less than 160.8 L.

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³⁷Ca and ⁴₂He is the notation of a radioisotope that is correctly paired with the notation of its emission particle.

Generally, radioisotope is defined as an unstable form of a chemical element that releases radiation as it breaks down and becomes more stable. Basically, radioisotopes may occur in nature or be made in a laboratory. Generally, in medicine, they are used in imaging tests and in treatment and it is also called radionuclide.

Generally, uranium is the best known example of a naturally-occurring radioisotope. All but 0.7 per cent of naturally-occurring uranium occurs as uranium-238 while the rest is the less stable, or more radioactive, uranium-235, which has three fewer neutrons in its nucleus.

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The equation for lactic fermentation after glycolysis is:

           pyruvic acid + NADH → lactic acid + NAD⁺

Skeletal muscles are where lactic acid fermentation takes place. When there is not enough oxygen, lactate dehydrogenase converts pyruvate to lactic acid. Lactic acid accumulation in the muscles causes fatigue. Muscle cells and other bacterial and animal cells engage in a type of anaerobic fermentation.

The metabolic process known as lactic acid fermentation turns glucose or other six-carbon sugars into the metabolite lactate, which is the lactic acid in solution, and cellular energy.

The creation of many food products involves the bacterial process known as lactic fermentation. It serves a critical function in food safety by giving the finished products distinctive scents and textures.

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Answer:

1.476 mol molecules

Explanation:

Answer:

O-H F-H N-Hy

Explanation:

C-H N-H O-H F-H

Answer:

12 grams

Explanation:

For any radioactive substance

the amount of substance left after n half life  is given by = \(x/2^n\)

where x the original amount of substance.

____________________________________________

Half life of isotope Np-238 = 2 days

total no of days = 6

no of half life =total no of days/Half life of isotope Np-238 = 6/2 = 3

thus,

for our problem n = 3

initial amount of Np-238 = 96 grams

thus,

the amount of substance left after 3 half life = 96/2^3 = 96/8 = 12 grams.

Thus, 12 grams will be left after six days.

Answer:

below

Explanation:

Environmental Benefits. Fungi feed on dead organic matter which includes leaf litter, soil, dung, wood and dead animals.

Answer:

14.625 gm

Explanation:

(x / 58.5 gm) / (500ml /1000 ml) = .5         x = 14.625 gm

There are total three laws of newtons, first law of newtons, second law of newton and third law of newton. Therefore, for every action there is an equal and opposite reaction.

Newton's first law is also called law of inertia. An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force.

Third law of newton states  that for every action there is an equal and opposite reaction.

Therefore, for every action there is an equal and opposite reaction.

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Answer: C) 1.6

Explanation: I got it right

Answer:

1. independent

2. question

3. same

4. true

Answer:

All the above

Explanation:

All the above

The final pressure of the N₂ gas is 1121 mmHg when heated from -55 ∘C to 28 ∘C.

To solve this, we will use combined gas law:

(P₁/T₁) = (P₂/T₂)

where P₁ will be the initial pressure, T₁ is the initial temperature, P₂ is the final pressure, and T₂ will be the final temperature.

We will need to convert the temperatures into Kelvin:

T₁ = -55 + 273 = 218 K

T₂ = 28 + 273 = 301 K

Substituting the values, we get:

(815 mmHg/218 K) = (P₂/301 K)

Solving for P₂, we get:

P₂ = (815 mmHg × 301 K)/218 K

P₂ = 1121 mmHg

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Answer:

    Try a grams calculator, Its pretty to nd one :D

Explanation:

Answer:

A

Explanation:

That angle is a complementary angle which adds up to 90 degrees. So you write out the equation to solve for X. Equation= 2x-33+5x-31=90. Solve for x and you get 22 degrees.

Answer:

22(don't forget to add the degrees

Explanation:

\(2x - 33 + 5x - 31 = 90\)

\(2x + 5x = 90 + 31 + 33\)

\(7x = 154\)

\(x = 154 \div 7\)

\(x = 22\)

From Charles law, the volume in directly proportional to temperature.

We know that based on the ideal gas equation that the molecules that compose a gas are in constant random motion. The average kinetic energy of the molecules of the gas is called the kinetic energy of the gas.

Based on the Charles law, the volume in directly proportional to temperature. Hence in the snow at low temperature the gas in the balloon decreased in volume. At home when the temperature was increased, the volume increased likewise.

By the use of the Charle's law;

T1 = 25°C + 273 = 298 K

T2 = ?

V1 = 14 L

V2 = 13 L

Using;

V1/T1 = V2/T2

V1T2 =V2T1

T2 = V2T1/V1

T2 = 13 L * 298 K/ 14 L

T2 = 277 K  or 4°C

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The energy lost or gained by the reaction is 732.2 J.

Combustion enthalpy

The amount of heat that is evolved when a substance is burnt in the air at a constant pressure is known as the combustion enthalpy of the substance. Combustion enthalpy can be absorbed by another substance to raise its temperature and that can be determined by using the specific heat capacity of that substance.

Given,

Mass of CH₄ = 3.50 g

Mass of water, m = 35 g

Specific heat of the water = 4.184 J/g°C

T₁ = 25°C

T₂ = 35°C

Determine the heat absorbed by water by using the formula,

c = Q/[m(T₂-T₁)]

⇒ Q = cm(T₂ - T₁)

⇒ Q = 4.184 × 35 × (30 - 25)

⇒ Q = 4.184 × 35 × 5

⇒ Q = 732.2 J

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The sulfinator setting should be 9.615 pound per day of sulfur dioxide.

We have to use a few instances of unit conversion to solve this.

Because 1 gallon has 3.786 liters, and the stream is 100 gallons per minute, then in a single minute we are producing:

100 * 3.786 L = 378.6 L of waste

Because each liter of the waste stream contains 8 milligrams of sulfur dioxide, in a single minute we are producing:

378.6 * 8 mg = 3028.8 mg

3028.8 mg = 3.0288 g of sulfur dioxide

Because there are 60 minutes in an hour, each hour we are producing:

60 * 3.0288 g = 181.728 g of sulfur dioxide

Because there are 24 hours in the day, each day we are producing:

24 * 181.728 g = 4361.472 g of sulfur dioxide

Because each 1 lb = 453.592 g, each day we are producing:

4361.472 / 453.592 = 9.615 lbs of sulfur dioxide

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Most of the reactions take place in solutions, it's critical to comprehend how the substance's concentration is expressed in a solution. Here the volume in mL of NaOH required to neutralize 334 mg of pure aspirin is 5 L.

The letter M stands for molarity, one of the most often used units of concentration. The number of moles of solute contained in 1 liter of solution is how it is defined.

Molarity is the ratio of the moles of a solvent to the total volume of the solution. The solution contains both the solute and the solvent.

Molarity = Number of moles / Volume of solution in L

1mg = 0.001 g

Here, 334 mg = 0.334 g

Molar mass of aspirin = 180.158 g/mol

Number of Moles = Mass / Molar mass = 0.334 / 180.158 = 0.0018

Volume  = Number of moles / Molarity = 0.0018 / 0.337 = 0.005 L

0.005 L = 5mL

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The state of the substance is likely a gas.

Matter, which refers to any substance that has mass and occupies space, is made up of three states as follows:

A gas is a state of matter intermediate between liquid and plasma that can be contained only if it is fully surrounded by a solid. It has no definite shape and only conforms to the volume of its container.

According to this question, a substance fills the cube and has a volume of 50-mL and 10-mL respectively when placed in containers of such volumes.

This suggests that the substance being referred to is a gas.

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To convert the astronomical units (AU) into miles, we can use the conversion factor of 1 AU = 93,000,000 miles.

The distances in miles for the given planets and asteroid belt are:

Mercury: 36,015,000 miles (0.387 x 93,000,000)

Venus: 67,146,000 miles (0.722 x 93,000,000)

Earth: 93,000,000 miles (1 x 93,000,000)

Mars: 141,960,000 miles (1.52 x 93,000,000)

Asteroid Belt: 241,800,000 miles (2.6 x 93,000,000)

Jupiter: 484,560,000 miles (5.2 x 93,000,000)

Saturn: 893,940,000 miles (9.58 x 93,000,000)

Uranus: 1,789,440,000 miles (19.2 x 93,000,000)

Neptune: 2,796,300,000 miles (30.1 x 93,000,000)

Pluto: 3,679,250,000 miles (39.5 x 93,000,000)

Therefore, the distances in miles for the given planets and asteroid belt are as above.

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Answer:

it's volume also decrease

try putting 66 grams CO2 for answer

Answer: D. negative

Explanation:

At a temperature of 109° C, the balloon's new volume is roughly 932.6 mL.

The gas particles take in more heat as the temperature rises. They accelerate and advance apart from one another. Hence, an increase in volume is brought on by a rise in temperature.

We can use Charles's Law to solve this question,

V1/T1 = V2/T2

where, V1 = initial volume

T1 = initial temperature

V2 = final volume

T2 = final temperature,

Now, we have to convert the temperatures to the absolute scale, which is Kelvin (K).

T1 = 22 + 273.15 = 295.15 K

T2 = 109 + 273.15 = 382.15 K

Now, we can substitute values;

V1/T1 = V2/T2

720/295.15 = V2/382.15

Solving this equation,

V2 = (720/295.15) x 382.15

V2 = 932.6 mL

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Answer:

"When two or more elements combine to form more than one compound, the mass of one of them, which joins the fixed mass of the other, is in relation to whole numbers and simple" Example: The carbo

Answer:

Kristy thank you doing today hope you doing recently

Radio waves, ultraviolet rays, X-rays, and gamma rays are all examples of electromagnetic radiation, as are microwaves.

There are several uses for microwaves, including for communications, radar, and—possibly for the most part—cooking. Waves or particles of electromagnetic radiation with various wavelengths and frequencies are communicated.

The electromagnetic spectrum (EM spectrum) is the name given to this wide spread of frequencies. In general, the spectrum is divided into seven areas in ascending sequence of increasing energy and frequency and decreasing wavelength.

Radio waves, microwaves, infrared (IR), visible light, ultraviolet (UV), X-rays, and gamma-rays are some of the common names for these types of energy. In the electromagnetic (EM) spectrum, microwaves are found between radio and infrared light.

Therefore, Radio waves, ultraviolet rays, X-rays, and gamma rays are all examples of electromagnetic radiation, as are microwaves.

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