what is the volume of one mole of gas at 100.0 oc and 1.000 atmosphere of pressure?

Answer:

It will remain the same.

Explanation:

Because the force is horizontal, there is no y-component to add to the gravitational force to affect the normal force, since the normal force will be directed straight up because it is on a horizontal surface.

If the applied force is doubled, the normal force on the box will (b) Remain the same. Option b is correct.

The normal force on an object is the force exerted by a surface to support the weight of the object in a direction perpendicular to the surface. In the given scenario, the box is placed on a horizontal frictionless surface, so the normal force is equal to the weight of the box, which is given by the equation:

Normal force = Weight = mass × gravitational acceleration

= 10.0 kg × 9.81 m/s²

= 98.1 N.

When a horizontal force is applied to the box, it doesn't affect the normal force because the box is not moving vertically (up or down) and there is no vertical acceleration. Therefore, the normal force remains constant at 98.1 N.

When the applied force is doubled to 20.0 N, it only affects the box's acceleration and the net force acting on it (since there is no friction). The normal force does not change because there is no change in the vertical direction of the box's motion. The box's weight remains the same, and the surface continues to exert the same upward force to support the box's weight.

In summary, the normal force on the box will remain the same (option b) regardless of the change in the applied horizontal force because it is determined by the weight of the box and the absence of vertical acceleration or friction.

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The weight of the load is 1000 N, which is the result of Phil's downward pull of 100 N being one-tenth of the load's weight.

The problem states that Phil applies a force of 100 N to a pulley system. According to the problem, the load being raised is one-tenth of Phil's downward pull.

Let's assume the weight of the load is \(\(W\)\) N. In an ideal pulley system, the tension in the rope is the same throughout. Therefore, the tension in the rope supporting the load is also 100 N.

Since the weight of the load is one-tenth of Phil's downward pull, we can set up the following equation:

\(\(\frac{W}{10} = 100\)\)

By multiplying both sides of the equation by 10, we get:

\(\(W = 1000\)\)

Therefore, the weight of the load is 1000 N.

Therefore, the weight of the load is 1000 N, which is the result of Phil's downward pull of 100 N being one-tenth of the load's weight.

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The beyond-use-date for a solution would be 1/2020. The beyond-use-date for the solution containing water would be determined by the ingredient with the earliest expiration date, which is Ingredient B with an expiration date of 1/2020.

To determine the beyond-use-date for the solution, we need to identify the ingredient with the earliest expiration date. The beyond-use-date should not extend beyond the expiration date of any of the active ingredients.

Ingredient A: Expiration date 10/2025

Ingredient B: Expiration date 1/2020

Ingredient C: Expiration date 3/2021

Since Ingredient B has the earliest expiration date (1/2020), the beyond-use-date for the solution cannot exceed this date. Therefore, the beyond-use-date for the solution containing water would be 1/2020.

The beyond-use-date for the solution would be determined by the ingredient with the earliest expiration date, which in this case is Ingredient B with an expiration date of 1/2020. It is important to adhere to the expiration dates of the active ingredients to ensure the effectiveness and safety of the solution. Beyond-use-dates are crucial for maintaining the quality and stability of pharmaceutical preparations and should be followed to minimize the risk of degradation or loss of potency.

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Answer:b) atoms

Explanation:which are in turn made up of protons, neutrons and electrons

Answer:

B. Hope it helped brainiest plz

Explanation:

B. is that answer

Answer: B

Explanation: The wavelength determines color. The wavelength is measured from crest to crest.

The efficiency of the system, consisting of a 3-ohm heater submerged in 1200 grams of water, is approximately 101.2% based on the given information.

To determine the efficiency of the system, we need to calculate the energy input and the energy output.

The energy input is given by the formula:  Energy input = Voltage × Current × Time

Since the heater has a resistance of 3 ohms and operates at 6 amperes for 3.95 hours, we can calculate the energy input as follows:

Energy input = (Voltage × Current) × Time = (Voltage² / Resistance) × Time

Given that the voltage is unknown, we need to solve for it. We can use Ohm's law to find the voltage: Voltage = Current × Resistance = 6 A × 3 Ω = 18 V

Now we can calculate the energy input: Energy input = (18² / 3) × 3.95 = 381.6 Joules The energy output can be calculated using the specific heat capacity of water and the change in temperature: Energy output = (Mass of water + Water equivalent) × Specific heat capacity × Change in temperature

Given that the mass of water is 1200 grams, the water equivalent is 200 grams, the specific heat capacity of water is approximately 4.18 J/g°C, and the change in temperature is 70°C, we can calculate the energy output: Energy output = (1200 + 200) × 4.18 × 70 = 386,360 Joules

Finally, we can calculate the efficiency of the system: Efficiency = (Energy output / Energy input) × 100 Efficiency = (386,360 / 381.6) × 100 ≈ 101.2% Therefore, the efficiency of the system is approximately 101.2%.

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To find the speed based on the position function, you have to derivate the function in terms of time (x)

The spacetime Using Lorentz transformation equation coordinates in the moving frame are (1303.93 m, 3.01 s).

Given information:

An event has spacetime coordinates (x,t)=1,300 m,3.0 s in reference frame S.What are the spacetime that moves in the negative x - direction at 0.03c?We know that the coordinates of the same event as observed from two different inertial frames are related by the Lorentz transformation equations.

Using Lorentz transformation equation:(x', t') = (γ(x − vt), γ(t − vx/c²))where γ = 1/√(1−v²/c²) represents the Lorentz factor, x is the position in the stationary frame, t is time in the stationary frame, x' is the position in the moving frame, t' is time in the moving frame, v is the relative velocity between the two frames and c is the speed of light in vacuum.We are given,x = 1,300 mt = 3.0 s, v = −0.03c (since the motion is in the negative x direction)∴ γ = 1/√(1−v²/c²) = 1/√(1−0.03²) = 1/0.997

The spacetime coordinates in the moving frame, (x', t') = (γ(x − vt), γ(t − vx/c²))= [1/0.997 (1300 - (-0.03c)(3.0))] m, [1/0.997 (3.0 - (-0.03c)(1300)/c²)] s= (1303.93 m, 3.01 s) [correct to 2 decimal places]

Therefore, the spacetime coordinates in the moving frame are (1303.93 m, 3.01 s).

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Answer:

Gibbs, free energy

Explanation:

Answer:

Saturn is almost as big as Jupiter despite its smaller mass because Jupiter is a more dense gas giant than Saturn.

Explanation:

Neither the object's speed nor direction can change

Answer:

D. The object's speed, direction, or both can change.

Explanation:

If Adam applies an unbalanced force to an object, the object's speed, direction, or both can change. This is because an unbalanced force causes an acceleration, which can result in changes in both speed and direction.

Let's consider some examples to better understand this concept. Imagine Adam pushes a book on a table with a greater force in one direction. If the force is greater than the friction between the book and the table, the book will start moving in the direction of the force. This change in direction is caused by the unbalanced force applied by Adam.

Now, let's say Adam applies a constant force to a ball on the ground. If the force is greater than the friction between the ball and the ground, the ball will start rolling and its speed will increase. Again, this change in speed is due to the unbalanced force applied by Adam.

In summary, when an unbalanced force is applied to an object, it can cause changes in the object's speed, direction, or both. So, the correct answer is D: The object's speed, direction, or both can change.

Answer: $16

Explanation: The equation is:

x = -54 + (5 x 15) -5

x = -54 + 75 - 5            [remember to use PEMDAS!]

x= 21 - 5

x = 16 dollars

The answer is: $16

Proof⬇⬇

Answer:

Temperature, density

Explanation:

Physical properties of a substance are those properties that do not change the chemical composition of the substance. There are two types of physical properties namely: intensive property and extensive property.

Intensive properties are those physical properties that does not depend on the sample size of the substance involved. Examples of intensive physical properties are temperature, density, boiling point. For example, the size or amount of a substance does not determine the the TEMPERATURE or BOILING POINT of the substance.

The energy of one photon of the light is 1.19 x \(10^{-11}\) J.

What is Planck's equation?

According to this, electromagnetic radiation from heated bodies emits in discrete energy units or quanta, the size of which depends on a fundamental physical constant (Planck's constant).

We know that,

E = hν

Where,

E = Energy

h = Planck's constant

ν = Frequency

Note: Planck's constant has value of 6.63 × \(10^{-3}\)\(\frac{J}{s}\)

Putting values in the given formula

E = 6.63 × \(10^{-3}\) \(\frac{J}{s}\) × 1.8 × \(10^{13}\) \(s^{-1}\)

E = 1.19 x \(10^{-11}\) J.

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In the context of hypothesis testing, μ represents the population mean. In this case, μ specifically refers to the population mean delivery time for local deliveries of the courier service.

The null hypothesis (H0) states that the population mean delivery time is greater than or equal to 6 hours, implying that the average delivery time is 6 hours or longer. On the other hand, the alternative hypothesis (Ha) suggests that the population mean delivery time is less than 6 hours, indicating that the average delivery time is shorter than 6 hours.

During hypothesis testing, statistical analysis is performed on a sample of delivery times to gather evidence and make an inference about the population mean.

By comparing the sample data with the hypothesized value of μ, conclusions can be drawn about the courier service's claim of having an average delivery time of less than 6 hours.

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The angular displacement of the bicycle from its starting position is approximately 4.7 radians.

To calculate the angular displacement in radians of the bicycle from its starting position, we can use the formula:
Angular Displacement (θ) = Arc Length / Radius
Given:
Arc Length (s) = 141 m
Radius (r) = 30 m
Now, plug the given values into the formula:
θ = s / r
θ = 141 m / 30 m
θ ≈ 4.7 radians
So the angular displacement of the bicycle from its starting position is approximately 4.7 radians. Therefore, the correct answer is:
D) 4.7 rad

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The One strategy implemented to address the drug epidemic in Philadelphia is the creation of Comprehensive User Engagement Sites (CUES). These sites aim to tackle the widespread issue of drug addiction and related energy health concerns.

The CUES are safe spaces where individuals battling addiction can energy access various harm reduction services, such as clean syringes, medical support, and overdose prevention. These sites provide connections to addiction treatment programs and mental health services, helping people on their path to recovery. By offering safe and supervised spaces, CUES work to reduce public drug use, discarded syringes, and other related issues in the community. CUES also serve as educational hubs, raising awareness and providing information about the dangers of drug addiction and available resources for support. Lastly, these sites foster community engagement and collaboration, uniting various stakeholders in the fight against the drug epidemic. In summary, Comprehensive User Engagement Sites play a significant role in addressing the drug epidemic in Philadelphia. They provide harm reduction services, treatment programs, and community support, all while promoting a safer and healthier environment for the city's residents.

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Answer:

Direct variation suggests that two variables change in the same direction, when one variable decreases the other increases.

Biological fluid mechanics is a rapidly growing field of study that uses the principles of fluid mechanics to understand the behavior of fluids in biological systems. This includes the study of blood flow, mucus transport, and the swimming of microorganisms.

The field is essential for understanding the functioning of many biological systems and has led to new insights into the behavior of living organisms.

Biological fluid mechanics is a multidisciplinary field that draws on the expertise of engineers, physicists, biologists, and mathematicians.

As the field continues to develop, we can expect to see new applications in fields such as medicine, environmental science, and robotics.

Here are some of the specific applications of biological fluid mechanics:

Medicine: Biofluid mechanics can be used to design new medical devices, such as artificial heart valves and catheters.

Environmental science: Biofluid mechanics can be used to understand the transport of pollutants in water and air.

Robotics: Biofluid mechanics can be used to design robots that can swim or fly like animals.

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The chemical energy of petrol is converted to heat energy on combustion. The heat energy is converted to kinetic energy by the use of internal combustion engines in vehicles. The law of conservation of energy is maintained in each process.

The kinetic energy of an object is associated with its motion. It can be related to the mass and velocity as

K.E = 1/2 mv²

Given is a diagram of energy conversion due to combustion.

The chemical energy of petrol is converted to heat energy on combustion. The heat energy is converted to kinetic energy by the use of internal combustion engines in vehicles.

The law of conservation of energy states that the energy can neither be created nor destroyed. It can be only converted to one form to the other.

In the given process, the mass decreases but energy remains the same in all forms of energy.

Hence, the law of conservation of energy is maintained in each process

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From the question, the compression that is able to produce the maximum speed is 1.73 m.

We can see that there is potential energy stored in the spring. This energy can be converted into kinetic energy when a spring is released. In this case, the spring can now be able to do a meaningful work as we can see.

The image that shows the set up of the question can be seen clearly in the image that is attached to this answer as we can see. We can now write the following;

W = dmgsin∅

Where W is the work done by the spring, we have;

1/2 kx² = dmgsin∅

k = force constant

x = compression

d = distance covered

∅ = angle covered

Thus we can substitute the values as;

(0.5 * 170 * x²) = 4 * 13 * 9.8 * sin 30

x² = 4 * 13 * 9.8 * sin 30/0.5 * 170

x² = 254.8/85

x = 1.73 m

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The input power required for a mass flow rate of 60 kg/min is calculated to be 871.35 kW.

Given that,

Initial temperature T₁ = 295 K

Final temperature T₂ = 460 K

Initial pressure P₁ = 105 k pa

Final pressure P₂ = 700 k pa

The specific heat loss from the compressor Q = 15 kJ/kg

The mass flow rate m = 60 kg/min

Refer to the properties of element to determine the specific heat of helium.

Cp = 5.19 kJ/kg.K

Apply the energy balance equation for calculating the input power.

W - m Q = m h₁ - m h₂

W - m Q = m (h₁ - h₂)

W - m Q = m Cp (T₁ - T₂)

where,

W is the input power

h₁ and h₂ are the initial and final enthalpy

Placing the values in the above expression, we have,

W - 60 kg/min (1 min/60 sec) × (-15 kJ/kg) = 60 kg/min (1 min/60 sec) × 5.19 kJ/kg.K (295 K - 460 K)

W = -871.35 kJ.s (1kW/1kJ) = -871.35 kW

Thus, the input power = 871.35 kW.

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The Western USA is a region of the United States

Group of answer choices Wind Turbine[ Choose ]

No carbon dioxide produced Photovoltaic Tar Sands Mountain top Removal Geothermal Power

Albert Einstein[ Choose ] No carbon dioxide produced Photovoltaic Tar Sands Mountaintop Removal Geothermal

PowerCoal[ Choose ] No carbon dioxide produced Photovoltaic Tar Sands Mountaintop Removal Geothermal

PowerAlberta, Canada[ Choose ] Tar Sands No carbon dioxide produced Mountaintop Removal Geothermal Power

Albert EinsteinWestern USA[ Choose ] No carbon dioxide produced Photovoltaic Tar Sands Mountaintop Removal Geothermal

PowerAlbert Einstein is related to the theory of relativity.

The Wind Turbine is a device that converts the kinetic energy of wind into mechanical energy.

No carbon dioxide is produced in photovoltaic, Geothermal Power, and Wind Turbine as they do not involve combustion.

A tar sand is a sandstone that contains bitumen.

Mountaintop Removal is the practice of mining through the summit of a mountain.

Coal is a combustible black or brownish-black sedimentary rock.

Alberta, Canada is one of the largest oil reserves in the world, known as Tar Sands.

Finally, the Western USA is a region of the United States.

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The speed of the Earth's rotation affects the length of a day, which in turn influences various aspects of life, including the distribution of sunlight, temperature patterns, and the overall dynamics of ecosystems.

To calculate the speed of the Earth's rotation 155 million years ago, we need to consider the rate at which the Earth's rotation is slowing down. According to the given information, the Earth slows down 1/30000 of a minute every 100 years.

Let's first calculate the change in the Earth's rotation speed over 155 million years:

Change in rotation speed = (1/30000 minute/100 years) * (155 million years)

Now we can calculate the speed of the Earth's rotation at that time:

Current rotation speed - Change in rotation speed

Given that the current rotation speed is 1670 kilometers/hour, we can substitute the values and calculate:

Rotation speed at that time = 1670 km/hour - (Change in rotation speed)

Once we have determined the rotation speed at that time, we can assess its potential impact on the movement of dinosaurs or mankind.

A change in the rotation speed could have implications for the behavior, adaptation, and survival of living organisms, including dinosaurs and early humans.

However, it is important to note that the exact magnitude and direct consequences of changes in rotation speed on specific species and their movements would require a more detailed analysis and consideration of various ecological factors.

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Answer:

When an object vibrates, it causes movement in surrounding air molecules. These molecules bump into the molecules close to them, causing them to vibrate as well. This makes them bump into more nearby air molecules. This “chain reaction” movement, called sound waves, keeps going until the molecules run out of energy.

Explanation:

Answer:

As Per Given Information

Athelete runs 10Km in 50 mins .

It means distance covered by athelete is 10km & time taken to cover 10km distance is 50min.

Before going to solve this problem

First we convert the unit

=> Distance = 10×1000 m

=> Distance = 10000 m

Now,

=> Time taken = 50×60

=> Time taken = 3000s

Finding the speed of athelete in m/s

Using Formulae

\( \bf \:Speed \: = \frac{Total \: Distance \: Covered}{Time \: Taken} \)

Putting the value we obtain

\( \sf \twoheadrightarrow \: Speed \: = \frac{10000}{3000} \\ \\ \sf \twoheadrightarrow \: Speed \: = \cancel \frac{10000}{3000} \\ \\ \sf \twoheadrightarrow \: Speed \: = 3.33m {s}^{ - 1} \)

Answer:

1. the pencil would have the momentum and would keep going until it hits the windshield. 2. when the car suddenly accelerates, the pencil would be inert and it would move toward the back of the car until a constant speed from the car is reached.