The process by which the vapors are formed is vaporization. This is also called evaporation.
It is the process in which the water is boiled and then this boiling water is turned into steam which moves to the atmosphere getting converted into vapors.
This is also the change of phases. It is the change of solid or liquid phase to gaseous form.
The pressure of vapors formed is equal to the atmospheric pressure. The whole process happens when the temperature is increased which can also be called as boiling.
When the water is heated, the water molecules starts vibrating and in this vibration creates collision amongst them and some of them escape into the air and this becomes the vapor.
Therefore, the process by which the vapor is formed is called vaporization.
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1000 cm³ of air at 20 °C and 101.35 kPa is heated at constant pressure until its volume doubles. a) Use the ideal gas equation to calculate the final temperature of the gas.
From Charles's law, the magnitude of the final temperature is 586 K
What is an Ideal Gas ?An Ideal gas is a gas which obeys ideal gas equation at all pressures, volumes and temperatures. The ideal gas equation can be express as
PV = nRT
Where
P = pressureV = volumen = number of moleR = universal molar gas constantT = TemperatureGiven that 1000 cm³ of air at 20 °C and 101.35 kPa is heated at constant pressure until its volume doubles.
From the ideal gas equation,
P1 = P2 = 101.35 kPaV1 = 1000 cm³V2 = 2000 cm³T1 = 20 + 273 = 293 KT2 = ?To calculate the final temperature of the gas, we will use the formula below
V1/T1 = V2/T2
Since Pressure is constant
Substitute the necessary parameters into the formula
1000/293 = 2000/T2
Cross multiply
1000T2 = 586,000
T2 = 586,000/1000
T2 = 586 K
Therefore, the final temperature of the gas is 586 K
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what hazard class are automotive batteries walmart
The automative batteries are the corrosive hazard class.
The chemical present inside the battery are very corrosive and poisonous in nature.
Also if the batteries are excessively charged they can burst and cause a huge damage.
There is also very huge disposal problem associated with the battery because the chemical present inside the battery contain acidic material which will decrease the quality of the soil if they are buried in soil.
The human skin is also very sensitive towards the corrosive material of the battery.
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is lithium batteries a limited quantity item
Lithium and lithium-ion batteries are transported in both large and small volumes.
For instance, a single box could contain as little as five batteries, whereas a pallet could hold over 1,000, or the batteries could be enclosed in or packed with equipment.
On the other hand, lithium batteries, which contain lithium metal, cannot be recharged. Lithium-ion batteries can be recharged but do not contain lithium metal.
Lithium and lithium-ion batteries are mostly utilized in consumer applications and are exempt from dangerous goods/hazardous materials rules. Small lithium batteries are often used in timepieces and cameras. Lithium-ion batteries are extensively used in laptops and cell phones.
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11. Why do the lights in your home come on almost instantaneously when you turn, on the switch?
A - When the circuit is completed, there is a rapid rearrangement of surface charges in the circuit.
B - Charges store energy. When the circuit is completed, the energy is released.
C - Charges in the wire travel very fast.
D - The circuits in a home are wired in parallel. Thus, a current is already flowing.
E - Charges in the wire are like marbles in a tube. When the circuit is completed, the charges push each other through the wire.
Answer:
because its like that which do not hencintrate and prostate in the future work per week-20 Earning in the future and we are keen on the walls of our english and would like the same to happen as soon.
which best explains the law of conservation of mass
The law of conservation of mass emphasizes the fact that it is not possible to create or destroy the mass in this universe. Mass just changes its form from one to another, it is never created nor destroyed.
The statement mentioned above states that the mass of reactants and products have equal mass irrespective of the physical state.If the mass of reactants and products becomes unequal, then it would contradict the law of conservation. However, it is clearly mentioned that the mass of reactants and products will remain the same, hence complimenting the law of conservation of motion.Therefore, the law of conservation of mass is best described by - The mass of the reactants and products is equal and this mass is not dependent on the physical state of the substances.
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[NOTE: THIS IS AN INCOMPLETE QUESTION. THE COMPLETE QUESTION IS: Which best describes the law of conservation of mass?
(A) The coefficients in front of the chemicals in the reactants should be based on the physical state of the products.
(B) Products in the form of gases are not considered a part of the total mass change from reactants to products.
(C) When reactants contain both a solid and a liquid, the solid counts toward the overall mass and the liquid does not.
(D) The mass of the reactants and products is equal and is not dependent on the physical state of the substances.]
A coin is tossed vertically upward and reaches a maximum height of 0.90 m before it comesback down. With what velocity was it thrown, and how long was it in the air?
with explanation please
Answer:
how long the coin was in the air was about 45 how I got your answer was by dividing 900 by 20 bc when u divide u have to add a 0 so that's how I got 900 then I just divided and got 45
Explain the difference between Pavlov's classical Conditioning, and Skinner's Operant
Conditioning, give examples to illustrate how behavior can be learned according to each
one of those conditioning. Explain the example after explaining the process.
Skinner's Operant Conditioning focus stressed that the consequences of a behavior will indicate if there is possibility of it being repeated and also the human behavior can be attributed to something in a person's environment.
Pavlov's classical Conditioning stressed that two stimuli can be linked together so that there can be new learned response in indivisuals .
Example of Pavlov's classical Conditioning is that a dogs could be conditioned to salivate at the sound of a bell if it was programmed to ring at the time of food.
Example of Skinner's Operant Conditioning is that of negative reinforcement which was demonstrated by placing a rat in Skinner box which then subjected to unpleasant electric current and make it to experience some discomfort.
What is Classical conditioning?Classical conditioning can as well be described as the Pavlovian or respondent conditioning which is the learning that do take place when two stimuli are linked together and they can bring about new learned response in a person or animal.
Operant conditioning was the one that stressed that the cause of human behavior can be linked to the something in a person's environment.
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Obtain an expression for the viscous force acting on a sphere of radius r moving in a viscous fluid with velocity v, if the viscosity coefficient is η.
The force of viscosity is F = k r v η. Spherical balls of radius R are falling in a viscous fluid of viscosity η with a velocity v.
What is viscous force?
Viscosity refers to a material's capacity to resist movement between its layers. It is the force that resists relative motion between the layers. It is also known as viscous force.
What is viscous force formula?
In the above equation, the shear force is the viscous force, which is the only internal resistance that causes shear stress to develop along with the fluid layers. As a result, the viscous force formula will be given as. F=Aμdudy.
Hence F = k r v η is a correct answer.
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Microwave ovens operte at 2.45 GHz, Bluetooth electronics and internet routers work at2.4 GHz.Predict which object has the longer wavelength, showing your calculations evidence, to support your prediction .
Answer:
The object with the longer wavelength is the microwave oven. This can be determined using the equation λ = c/f, where λ is the wavelength, c is the speed of light (3 x 10^8 m/s), and f is the frequency.
For a microwave oven:
λ = (3 x 10^8 m/s) / (2.45 GHz)
λ = 1.22 x 10^-2 m
For a Bluetooth electronic/internet router:
λ = (3 x 10^8 m/s) / (2.4 GHz)
λ = 1.25 x 10^-2 m
Therefore, the microwave oven has a longer wavelength.
Explanation:
Two equal-mass stars maintain a constant distance
of 8.0 x 10^10 m and rotate about a point mid-
way between them at a rate of one revolution every
12.6 yr.
(a) Why don't the two stars crash into one
another due to the gravitational force between
them?
(b) What must be the mass of each star?
A. Centripetal force acting on the two stars is the reason why the two stars will not crash into one another
B. The mass of each stars, given they maintain a constant distance of 8×10¹⁰ m is 7.68×10²⁷ Kg
A. Why don't the two stars crash into one another?
Centripetal force is the force that acts to keep an object moving in a circle. Since the two stars undergoes revolution, this means they rotate in a circle. Thus, centripetal force is acting on them.
Therefore, we can say that the two stars will not crash into one another due to the centripetal force
B. How do I determine the mass of each stars?
We can obtain the mass of each stars as illustrated below:
F = GM₁M₂ / r²
Note: They rotate mid-way. Thus distance apart (r) = 2r
F = GM₁M₂ / (2r)²
F = GM₁M₂ / 4r²
Also, centripetal force is given as:
F = mv² / r
Thus, we have:
mv² / r = GM₁M₂ / 4r²
But
v = 2πr / T
v² = (2πr / T)² = 4π²r² / T²
M₁ = M₂ = m
Thus, we have
m4π²r² / rT² = Gmm / 4r²
4π²r / T² = Gm / 4r²
Cross multiply
mGT² = 4r² × 4π²r
mGT² = 16π²r³
Divide both sides by GT²
m = 16π²r³ / GT²
From the question given, we have:
Distance (r) = 8×10¹⁰ mPeriod (T) = 12.6 years = 12.6 × 3.154×10⁷ = 3.97×10⁸ sGravitational constant (G) = 6.67×10¯¹¹ Nm²/Kg²Pi (π) = 3.14Mass of each stars (m) =?m = 16π²r³ / GT²
m = [16 × 3.14² × (8×10¹⁰)³] / [6.67×10¯¹¹ × (3.97×10⁸)²]
m = 7.68×10²⁷ Kg
Thus, the mass of each stars is 7.68×10²⁷ Kg
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