Answer:
32 cm³
Explanation:
The given gas data are;
The relative density of oxygen = 16
The relative density of carbon dioxide = 12
The time it takes 25 cm³ of carbon dioxide to effuse out = 75 seconds'
The duration of effusion of the oxygen = 96 seconds
The rate of effusion of carbon dioxide, R1 = 25 cm³/(75 sec) = (1/3) cm³/sec
According to Graham's law of diffusion and effusion of a gas, we have;
[tex]\dfrac{Rate \ of \ effudion \ of \ gas \ 1}{Rate \ of \ effudion \ of \ gas \ 2} =\dfrac{The \ relative \ density \ of \ gas \ 2}{The \ relative \ density \ of \ gas \ 1}[/tex]
Therefore, we have;
[tex]\dfrac{Rate \ of \ effudion \ of \ oxygen}{(1/3)} =\dfrac{12}{16}[/tex]
[tex]The \ rate \ of \ effudion \ of \ oxygen}=\dfrac{12}{16} \times \left(\dfrac{1}{3 } \ cm^3/sec\right ) = \dfrac{1}{4} \ cm^3/sec[/tex]
The volume of effusion = The rate of effusion × Time
The volume of the oxygen that will effuse in 96 seconds is given as follows;
The rate of effusion of a gas × Time
V = The rate of effusion of oxygen × Time = (1/3) cm³/sec × 96 sec = 32 cm³
The volume of oxygen that will effuse in 96 seconds, V = 32 cm³.
Someone help me with this
Answer:
All reactions listed are of synthesis type.
If a car is traveling 60 miles per hour, how far will it travel in one hour?
Answer:
60 miles
I hope it's helps you
Answer:
316800 feet or 60 miles per hour
Explanation:
it is already said in the problem 60 miles per hour
There are 2 ways of collecting the sun’s energy. What are they? Give an example of each.
Stored energy and the energy of position is the definition?
Answer:
Potential energy is energy that is stored-or conserved-in an object or substance. This stored energy is based on the position, arrangement or state of the object or substance
Un tren sale de una estación a una velocidad media de 25km/h durante 2 min. Después, avanza a una velocidad media de 90km/h durante 10 min, y baja su velocidad media a 25km/ h durante medio minuto para entrar en la siguiente estación. ¿Que distancia hay entre las dos estaciones?
Answer:
La respuesta es 16,041.66 M en términos de segundos.
Explanation:
EASY BRAINLIEST PLEASE HELP!!
-if you answer correctly ill give you brainliest which will give you 100pts-
(if you put links or don't answer accordingly im reporting your account)
Answer:
I think the awnser is B (but don't qoute me on that) if its right then yay but if its wrong im sorry
Explanation:
Answer:
Solution given:
frequency[f]=x
velocity[V]=15000m/s
wave length=59m
we have
wave length=[tex] \frac{V}{f} [/tex]
59m=[tex] \frac{15000}{x} [/tex]
x=[tex] \frac{15000}{59} [/tex]=254.Hz
B.254 hz
2.List two changes an unbalanced force can cause.
Answer:
By applying an unbalanced force, you can change the motion of an object. Unbalanced forces can make an object at rest start moving, make a moving object stop, or change the direction and speed of the object.
Explanation:
im assuming its D. do to the sound waves having to go through more material...right?
Answer:
Answer: B- it decreases, hope this helped!! :)
Explanation:
Answer:
D
Explanation:
this answer is correct you know because we all have different problems and it will only increase if you have a different problem
The Playground
A and G are at same height and where
skateboarder starts
E
A
G
ao oon
E
С
vai
OOHO
F
D
O meters
List in order from greatest to least the Kinetic energy from greatest to least.
Drag the boxes in the correct order
1
1
DDDDDD
1. Astronomical observatories have been available since ancient times, and many cultures set aside special sites for astronomical observations. The thing modern observatories have that was missing from these older observatories until about 1610 was: a. a dark site, where lights did not get in the way b. graduate students or other assistants for sharing the astronomer’s work c. a method of keeping good records d. a way of measuring from what general direction in the sky a beam of light was coming e. telescopes
Answer:
e telescopes
Explanation:
may i be marked brainliest?
state two environmental problems caused by coal fired power stations
Answer:
Air pollution and water pollution.
Explanation:
The burning of coal causes air pollution, and coal fired power stations dump waste in large bodies of water.
Compare and contrast the health benefits and the amount of physical or mental energy needed between active leisure activities and passive leisure activities
Answer:
Q...Compare and contrast the health benefits and the amount of physical or mental energy needed between active leisure activities and passive leisure activities.
A..Some active leisure activities, such as yoga and running, require a great deal of physical energy, while other activities, like playing chess, require a substantial amount of mental energy. Passive leisure activities, such as watching TV or going to the movies, require little to no physical or mental energy. Because of the exertion of physical or mental energy, active leisure activities have more health benefits than passive leisure activities.xplanation:
I need help with this assignment please
Answer:
ill try
Explanation:
let me find this answer for you
Two positive charges are placed near each other what happens between the charges
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Answer: coll
Explanation:
Three resistors of values 2 Q, 3 Q and 5 Q are connected in series with a battery of voltage 6.0 V. Calculate the current through each of the resistors, and the current through the battery.
Answer:
Current = 0.6 A
Explanation:
Given that,
Three resistors 2 ohms, 3 ohms and 5 ohms are connected in series with a battery of voltage 6 V.
In series combination of resistors, the current through each resistor is the same while the voltage divides.
The equivalent resistance in this case is given by :
[tex]R_{eq}=R_1+R_2+....[/tex]
Put all the values,
[tex]R_{eq}=2+3+5\\\\R_{eq}=10\ \Omega[/tex]
Let I be the current. Using Ohm's law,
[tex]V=IR\\\\I=\dfrac{V}{R}\\\\I=\dfrac{6}{10}\\\\I=0.6\ A[/tex]
So, the current through each resistor and the current through the battery is equal to 0.6 A.
Light refracts when it
HELP ME ASAP ITS PHYSICS AND it’s finding the kinetic energy SHOW WORKKK
k = 1/2 × m × v^2
_____________________________
1. k = 1/2 × 60 × ( 10 )^2
k = 30 × 100
k = 3000 j
_____________________________
2. k = 1/2 × 60 × ( 9 )^2
k = 30 × 81
k = 2430 j
_____________________________
3. k = 1/2 × 60 × ( 4 )^2
k = 30 × 16
k = 480 j
_____________________________
4. k = 1/2 × 60 × ( 6 )^2
k = 30 × 36
k = 1080 j
______________________________
5. k = 1/2 × 60 × ( 0 ) ^2
k = 30 × 0
k = 0 j
the ans is like this
1 4
2 5
3
[tex]\huge\mathfrak\purple{hello...} \\ \\ \huge\mathfrak\green{what \: is \: energy} \\ \\ \huge\mathfrak\pink{asap \: please \: }[/tex]
Energy is "the ability to do work". Energy is how things change and move. It takes energy to cook food, to drive to school, and to jump in the air. Different forms of Energy. Energy can take a number of different forms.
Unpolarized light can undergo polarization by this means off a nonmetallic surfaces.
Answer:
तिकडी एकच
Explanation:
आप सल क्ल वल दन रव दंचंबी एक गम ok plz
Electromagnets are used in to produce a rotating magnetic field that turns a rotor.
A) TVs
B) computers
C) generators
D) motors
Answer:
A motor
Explanation:
(I'm not that good in physics but from what I know it might be motor or generator, I'm not 100% sure on this answer)
what is formula of perimeter of half circle
1/2 × 2 × pie × radius
= pie × radius
una llamada telefonica a brasil de 4 minutos costo el mes pasado 2430 si el valor por minuto se mantiene cualto debo pagar por una llamada de 6 minutos a ese pais
Answer:
Costo = 3645
Explanation:
Dados los siguientes datos;
Costo de la llamada = 2430
Duración = 4 minutos
En primer lugar, encontraríamos el costo por minuto;
Costo por minuto, Cpm = 2430/4
Cpm = 607.5
A continuación, para encontrar el costo de 6 minutos;
Costo = 607,5 * 6
Costo = 3645
why did the united states and the soviet union begin experimenting with and trying to improve the v-2 rocket ?
Answer:
To Increase National Security
Explanation:
A seesaw is 4.0m long with a pivot at its midpoint. A boy who weighs 400N sits at a distance of 1.5m from the pivot. His sister weighs 300N. Calculate the distance at which the girl must sit if the beam is ti be balanced
Answer:
the girl must sit 2 cm from the pivot at the opposite end of the seesaw.
Explanation:
Given;
length of the seesaw, L = 4.0 m
weight of the boy, W₁ = 400 N
position of the boy from the pivot, d₁ = 1.5 m
weight of her sister, W₂ = 300 N
First, make a sketch of this information given;
0---0.5m---------------------Δ--------------------------4m
↓<--------1.5m-------> <---------x--------->↓
400 N 300N
Apply the principle of moment about the pivot, to determine the value of x;
Sum of anticlockwise moment = sum of clockwise moment
400(1.5) = 300(x)
600 = 300x
x = 600/300
x = 2 cm
Thus, the girl must sit 2 cm from the pivot at the opposite end of the seesaw.
1 Newton = 1,,,,,,,,
Answer:
kg*m/2
Explanation:
hope this helps just did it
Answer:
c
Explanation:
A car was traveling at a certain speed. It then accelerates for 5.0 s with an acceleration of 1.6 m/s2, and reaches a speed of 20 m/s. What was its initial speed?
I will give u a brainest
Answer:
12m/s
Explanation:
To find the initial speed of the car, we need to find the how much it accelerated/increased in speed and then subtract it from its final speed.
We can do this by using the equation: [tex]a=\frac{\Delta v}{t}[/tex]
Which we can rearrange to find change in velocity: [tex]\Delta v=at[/tex]
The given acceleration is 1.6m/s^2, and the time is 5s. Therefore the car's change in speed was [tex]\Delta v = (1.6)(5)\\\Delta v = 8m/s[/tex]
Since the final speed was 20m/s, we can now simply subtract the change in speed to find the initial speed:
20 - 8 = 12
The initial speed of the car was 12m/s.
Hope this helped!
The current through a heater is 12 A when it is plugged into a
120 V source. What is the resistance of the heater?
A. .10Ω
B. 10Ω
C. 132Ω
D. 1440Ω
Answer:
A. 10Ω
Explanation:
the resistance of a heater with a current of 12 A and plugged to a voltage of 120 V is B. 10 Ω
Resistance: This can be defined as the opposition to the flow of current in an electric circuit.
In other to solve the problem above, make use of ohm's law
Ohm's can be represented mathematically as
V = IR................... Equation 1
Where V = Voltage, I = Current, R = Resistance
From the question,
make R the subject of the equation
R = V/I.............. Equation 2
Given: V = 120 V, I = 12 A
Substitute these values into equation 2
R = 120/12
R = 10 Ω
Hence the resistance of the heater is B. 10 Ω
Learn more about resistance here: https://brainly.com/question/23608969
If the resistance of an electric iron is 40 and a current of 2.2 A flows
through the resistance. Find the voltage between two points. *
Answer:
88 volts
Explanation:
Ohm's law gives the formula : I = V/R
In this case, since we are solving for voltage, you simply rearrange the equation to be : V = I * R
Therefore, given the resistance and current, you just plug in the numbers.
Voltage = 40 ohms * 2.2 amperes
Voltage = 88 volts
help please physics !!
Answer:
Option A. 1 bar = 1 atm
Explanation:
Pressure has various units of measurement. Each unit of measurement can be converted to other units of measurement. For example:
1 atm = 1 bar
1 atm = 760 mmHg
1 atm = 760 torr
1 atm = 1×10⁵ N/m²
1 atm = 1×10⁵ Pa
With the above conversion scale we can convert from one unit to the other.
Considering the question given above, it is evident from the coversion scale illustrated above that only option A is correct.
Thus,
1 bar = 1 atm
A 2.0 kg 2.0kg2, point, 0, start text, k, g, end text cart moving right at 5.0 m s 5.0 s m 5, point, 0, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction on a frictionless track collides with a 3.0 kg 3.0kg3, point, 0, start text, k, g, end text cart initially at rest. The 2.0 kg 2.0kg2, point, 0, start text, k, g, end text cart has a final speed of 1.0 m s 1.0 s m 1, point, 0, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction to the left. What is the final speed of the 3.0 kg 3.0kg3, point, 0, start text, k, g, end text cart?
The final speed of the 3.0 kg cart is 4 m/s.
What is conservation of momentum principle?When two bodies of different masses move together each other and have head on collision, they travel to same or different direction after collision.
The external force is not acting here, so the initial momentum is equal to the final momentum. For elastic collision, final velocities is different for both the bodies.
m₁u₁ +m₂u₂ = m₁v₁ +m₂v₂
A 2.0 kg cart moving right at 5.0 m/s on a frictionless track collides with a 3.0 kg cart initially at rest. The 2.0 kg cart has a final speed of 1.0 m/s to the left.
Substitute the values for m₁ = 2kg, m₂ =3kg, u₁ =5 m/s and u₂ =0 m/s, then the final velocity will be
3x0 +2x5 = -2x1 + 3v₂
v₂ = 4 m/s
Thus, the the final velocity 3.0 kg cart is 4 m/s.
Learn more about conservation of momentum principle.
https://brainly.com/question/14033058
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