Complete the following. ( refer to the lewis dot symbol of each element to complete the following) element paired electrons unpaired electrons carbon nitrogen oxygen sulfur chlorine
Answers
The Lewis dot symbol of an element provides information about the paired electrons and unpaired electrons in the atom. Paired electrons are two electrons that occupy the same orbital, while unpaired electrons are lone electrons that are not paired with another electron in the atom.
The following table presents the number of paired and unpaired electrons in carbon (C), nitrogen (N), oxygen (O), sulfur (S), and chlorine (Cl):
Element: Carbon (C)
Paired electrons: 4
Unpaired electrons: -
Element: Nitrogen (N)
Paired electrons: 3
Unpaired electrons: 1
Element: Oxygen (O)
Paired electrons: 2
Unpaired electrons: 2
Element: Sulfur (S)
Paired electrons: 2
Unpaired electrons: 2
Element: Chlorine (Cl)
Paired electrons: -
Unpaired electrons: 1
Therefore, the given elements have the specified number of paired and unpaired electrons as mentioned in the table.
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Related Questions
(3+j4)x+(4-j5)y=18+j13
(4-j2)x-(4+j5)y=-5+j10
What is the magnitude of x?
Answers
X has a magnitude of around 1.11.
What is the X component's magnitude?The cosine and sine of a vector's direction angle can be used to calculate the scalar x-component, while the magnitude and cosine of the vector's direction angle can be used to calculate the scalar y-component.
By multiplying the first equation by (4+j5) and the second equation by (3+j4) and adding the resulting equations, we can use the method of elimination to solve this system of equations:
(3+j4)(4-j5)x + (3+j4)(4+j5)y = (18+j13)(3+j4)
(4-j2)(3+j4)x - (4+j5)(3+j4)y = (-5+j10)(4+j5)
Simplifying, we get:
53x + 47y = 78 + 43j
10x - 29y = 15 - 37j
By multiplying the first equation by 29 and the second equation by 47, then removing, we may eliminate y and arrive at the solution for x:
1537x = 1695 - 1150j
Therefore, x = (1695 - 1150j)/1537.
To find the magnitude of x, we calculate the absolute value:
|x| = |(1695 - 1150j)/1537| = √((1695/1537)² + (-1150/1537)²) = 1.11
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If the frequency of a system undergoing simple harmonic motion doubles, by what factor does the maximum value of acceleration change? group of answer choices
Answers
Answer:
x = A sin ω t SHM with amplitude A
a = -ω^2 A sin ω t acceleration of particle shown above
ω = 2 π f
Double the frequency is double the angular frequency ω
Thus, if ω^2 is doubled the corresponding acceleration will be quadrupled
Which of the following do NOT make up our personality? behaviors skills and abilities feelings thoughts
Answers
Skills and abilities do not make up our personality.
What is our personality?Personality encompasses an intricate amalgamation of traits that define our individuality, comprising our cognitions, emotions, and actions. It is shaped by a combination of genetic predispositions and environmental factors.
Individuals with diverse personality profiles exhibit distinct patterns of thinking, emoting, and engaging in conduct. By comprehending our individual personality traits, we empower ourselves to make wiser decisions and cultivate lives imbued with greater happiness and well-being.
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2.30 Suppose that the radius of a typical cell is 10 mm and that inside it 106 ATP molecules are hydrolyzed each second. What is the power density of the cell in watts per cubic meter (1 W = 1 J s−1)? A computer battery delivers about 15 W and has a volume of 100 cm3. Which has the greater power density, the cell or the battery?
Answers
Answer and Explanation: One ATP release approximately 30.5kJ/mol of energy. Using Avogadro's constant, it is known one mol corresponds to \(6.02.10^{23}\) molecules, so 106 ATP molecules releases:
E = \(30.5.10^{3}*\frac{106}{6.02.10^{23}}\)
E = \(537.04.10^{-20}\)J
A cell is approximately a sphere. Volume of a sphere is given by
V = \(\frac{4}{3}.\pi.r^{3}\)
Changing radius from mm to m:
r = \(10^{-2}\)m
Then, volume is
V = \(\frac{4}{3}.\pi.(10^{-2})^{3}\)
V = \(4.2.10^{-6}\) m³
Power density is given by
\(power=\frac{energy}{volume}\)
\(power=\frac{537.04.10^{-20}}{4.2.10^{-6}}\)
\(power=128.10^{-14}\)
power = 12.8.\(10^{-15}\) W/m³
Power density for a the cell is 12.8.\(10^{-15}\) W/m³.
Power density for battery is
100 cm³ = \(10^{-4}\)m³
power = \(\frac{15}{10^{-4}}\)
power = \(15.10^{4}\)W/m³
Comparing cell and battery, battery has a greater power density.
When do sea breezes occur
Answers
What is the weight of a 200 kg mass?
Answers
Answer:
W 1920 N
Explanation:
200kg at a location where g=9.6m/s^2
11. Electromagnetic radiation is energy that travels in waves. Two types of
electromagnetic waves are infrared waves and ultraviolet waves. Which of these
statements describes a property that is shared by infrared waves and ultravioletwaves?
A. Both waves have the same frequency.
B. Both waves have the same energy.
C. Both waves have the same wavelength.
D. Both waves travel at the same speed in a vacuum.
Answers
Answer:
D.
Explanation:
From this formula F=B×i×l how to find how it came the unit of force newton?
F- force of amper
B [induction]
i- [amper]
l [L-meter]
Answers
The unit of force F_ in this formula is Newton (N).
What is force?Force is described as any external agent capable of changing a body's state of rest or motion.
The formula F_ = B × i × l
shows the relationship between magnetic force, magnetic field strength, current, and the length of the conductor in the magnetic field.
And we have the unit of magnetic field strength B is Tesla (T), the unit of current i is Ampere (A), and the unit of length l is meter (m).
substituting the units of B, i, and l into the formula and simplifying =, we have :
F_ = B × i × l
F_ = (Tesla) × (Ampere) × (meter)
F_ = (Newton/ampere/meter) × (Ampere) × (meter) (Note that 1 Tesla = 1 Newton/ampere/meter)
F_ = Newton
In conclusion, the unit of force in this formula is Newton (N).
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What element does the picture represent? (Use the periodic table if you need to) *
(1 Point)
nitrogen
O chlorine
O oxygen
Answers
Oxygen
Because it has 8 protons
where on a magnet is the magnetic force the minimum
Answers
Answer:
the middle part of the magnet
Explanation:
The middle part
The magnetic force is least or minimum at the two poles (North pole and South pole) of a magnet.
The region within which the force of magnetism operates around a magnetic substance or a moving electric charge is known as the magnetic field. a visual representation of the magnetic field that shows how the distribution of a magnetic force within and around a magnetic material.
The area that has magnetic force around a magnet is called the magnetic field. There are north and south poles in every magnet. While the same poles repel one another, opposite poles attract one another. The north-seeking poles of the iron's atoms align in the same direction when you rub it along a magnet.
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Two slabs with parallel faces are made from different types of glass. A ray of light travels through air and enters each slab at the same angle of incidence, as the drawing shows. Which slab has the greater index of refraction? Why?
Slab A has the larger index of refraction as indicated by the larger angle of refraction in slab B
Slab A has the larger index of refraction as indicated by the smaller angle of refraction in Slab B
Slab B has the larger index of refraction as indicated by the smaller angle of refraction in slab B
Slab B has the larger index of refraction as indicated by the larger angle of refraction in slab B
A and B have the same index of refraction because the refracted rays for both slabs are bent toward the normal.
Answers
Slab A has the larger index of refraction as indicated by the smaller angle of refraction in Slab B.
The index of refraction is a property of a material that describes how much the material can bend light as it passes through it. When light travels from one medium to another, such as from air to a glass slab, its speed and direction change due to the change in the refractive index of the materials involved.
In this scenario, both slabs are made from different types of glass, and a ray of light enters each slab at the same angle of incidence. The angle of refraction, which is the angle at which the light ray changes direction upon entering the slab, is smaller in Slab B compared to Slab A. This difference in the angle of refraction indicates that Slab A has the larger index of refraction. According to Snell's law, the angle of refraction is inversely proportional to the index of refraction of the material. When the angle of refraction is smaller, it implies that the index of refraction is larger. Therefore, Slab A has the greater index of refraction compared to Slab B.
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Which scenario describes a systematic error?
A. A person bumps the table as a volume is measured.
B.A measurement is recorded before a balance comes to rest.
C.A thermometer reads 0.1 degree higher than it should.
D.An incubator unexpectedly loses power for ten minutes during the night.
Answers
Answer: C
A Systematic error occurs when there is a problem with the instrument , so the answer should be c .
Explanation:
Answer:
A Systematic Error Occurs When There Is A Problem With The Instrument, so The Answer Is C
Explanation:
4. Jerry is going to meet Tom to play chess at his house. Jerry’s home is 2 kilometers north and 8 kilometers west of Tom’s. All the roads between the two houses are two-way and run either north to south or east to west. How many kilometers will Jerry drive to visit Tom?
Answers
Answer:
follow me and mark me brainliest
the motion(s) that occur at the radioulnar joint?
Answers
The radioulnar joint is a synovial joint located at the elbow that connects the radius and the ulna, enabling rotational motion.
The radioulnar joint allows for pronation and supination. Pronation refers to the motion of rotating the forearm so that the palm faces downwards, while supination refers to the motion of rotating the forearm so that the palm faces upwards. The radioulnar joint allows the radius and ulna to move relative to each other, resulting in rotational motion.
When the forearm is pronated, the radius rotates over the ulna and crosses it, while the ulna remains stationary. When the forearm is supinated, the radius rotates back to its original position, and the two bones are parallel to each other.The radioulnar joint is important in many activities, including writing, typing, playing musical instruments, and sports like tennis and golf. Any damage to this joint can result in a loss of pronation and supination, making daily activities challenging.
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An object of uniform density applies its gravitaitonal force at __
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An object of uniform density applies its gravitational force at its center of mass.
An object of uniform density applies its gravitational force at its center of mass. This is because the force of gravity is a result of the object's mass being concentrated at a single point, and the center of mass is the point where the object's mass is evenly distributed in all directions. Therefore, any object with uniform density will apply its gravitational force at its center of mass.
The centre of mass of an object with homogeneous density is where gravitational force acts. This is so because the centre of mass is where the object's mass is evenly distributed in all directions and the force of gravity results from the object's mass being concentrated at a single location. As a result, the centre of mass of any object with uniform density will experience gravitational pull.
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The speedometer of a car moving east reads 60 mph. It passes another car that moves west at 60 mph. Which statement is the most accurate description of the motion of the vehicles?
Answers
Answer:
correct statement should be the same speed.
Explanation:
if the car is moving east reads 60 mph and it passes another car with the same speed.
therefore, the magnitudes of their velocities are equal.
and each car's velocity is the negative of the other car vehicle.
so the correct statement should be the same speed.
Answer:
They have different velocities
Explanation:
The cars are passing each other at the same speed, and because velocity is speed with direction they are at different velocities.
imagine that a continuous random variable X defined on the range [0,1] follows the probability density function p(X=x∣a)={(a+1)xa0 for x∈[0,1] everywhere else . where a>0 is a parameter that controls the shape of the distribution. Answer the following questions; you must include appropriate working. 1. Plot the probability density function of X when a=1/2 and a=2 for x∈[0,1]. 2. Determine the expected value of X, i.e., E[X]. 3. Determine the expected value of 1/X, i.e., E[1/X]. 4. Determine the variance of X, i.e., V[X]. 5. Determine the median of X. (hint: the answers to Q4.2 through Q4.5 will all be functions of a).
Answers
The probability density function of X is plotted for a=1/2 and a=2.
The expected value of X (E[X]) is determined.
The expected value of 1/X (E[1/X]) is determined.
The variance of X (V[X]) is determined.
The median of X is determined.
When a=1/2, the probability density function of X is given by p(X=x∣a)=((1/2)+1)x(1/2)^0=(3/2)x for x∈[0,1]. When a=2, the probability density function becomes p(X=x∣a)=(2+1)x^2=3x^2 for x∈[0,1]. To plot the probability density function, we can assign different values of x within the range [0,1], calculate the corresponding probabilities using the given formulas, and plot the points on a graph.
The expected value of X (E[X]) is calculated by integrating the product of X and its probability density function over the range [0,1]. For a=1/2, E[X] = ∫(x * (3/2)x) dx from 0 to 1. For a=2, E[X] = ∫(x * 3x^2) dx from 0 to 1. By evaluating these integrals, we can determine the expected values.
The expected value of 1/X (E[1/X]) is calculated similarly to E[X], but instead of integrating X, we integrate 1/X using the respective probability density functions for different values of a.
The variance of X (V[X]) can be computed by taking the second moment of X (E[X^2]) minus the square of the first moment (E[X]) squared. V[X] = E[X^2] - (E[X])^2. By calculating E[X^2] using the probability density function and the expected values obtained in step 2, we can determine the variances for different values of a.
The median of X is the value of X such that the cumulative distribution function (CDF) is equal to 0.5. To find the median, we integrate the probability density function from 0 to the median value and set it equal to 0.5. Solving for the median provides its value in terms of the parameter a.
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Can someone please help with part c)
Answers
Energy released ,
\( = 3.789 \times {10}^{ - 12} \) J
How do the factors of temperature and surface area affect the rate of chemical reactions
Answers
Answer:
The reaction rate decreases with a decrease in temperature.
Explanation:
what is the power of television that transfers 6750J of energy every 45 seconds.
Answers
Which of the followings is true? A. In a lossy medium, the wave equation can be given as a product of a cosine and the power of the attenuation constant. B. In a lossy medium, the wave equation can be given as a product of a cosine and the attenuation constant. C. In a lossy medium, the wave equation can be given as a product of a cosine and the negative exponential of attenuation constant. D. In a lossy medium, the wave equation can be given as a product of a cosine and the complex propagation constant.
Answers
The following is true: In a lossy medium, the wave equation can be given as a product of a cosine and the negative exponential of attenuation constant.
Option C is correct.
What is a wave equation?
A wave equation is a type of partial differential equation that governs the propagation of waves through a medium or space.
It is a generalization of the one-dimensional wave equation to higher dimensions.
The wave equation can be used to describe a wide range of wave phenomena, including light, sound, and electromagnetic waves.
What is a lossy medium?
A medium in which some of the energy of a wave is dissipated or lost is known as a lossy medium.
This can occur as a result of internal friction within the medium or as a result of radiation of energy away from the medium.
Examples of lossy media include electrical conductors, which dissipate some energy as heat, and air, which absorbs some energy as sound waves pass through it.
How can we express a wave equation in a lossy medium?
In a lossy medium, the wave equation can be given as a product of a cosine and the negative exponential of the attenuation constant.
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why would it motivate Hollywood to use more realism in special effects?
Answers
Answer:
Explanation:
the search for authenticity in films, motivated Hollywood to use more realism in special effects.
Ash is working in the lab, and comes across a box of unlabeled resistors (thanks to his messy coworker who never puts them back properly).
He remembers that he can find out the resistance using an ammeter to measure current, and a battery with a known voltage.
Ash picks a resistor of unknown resistance (in Ω), connects it to some wires, and then plugs in a battery with a voltage of 29.7 V. This creates a circuit. Using the ammeter, he finds that the current in the circuit is 4.8 A.
In ohms, what is the resistance of the unknown resistor?
Answer: _____Ω.
Answers
In ohms, the resistance of the unknown resistor is 6.19 amps.
What is the ohm's law?Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.
Therefore in ohm's law, V = IR
V = voltage
I = current
R = resistance
To calculate the resistance, we have
R = V/I
where Voltage = 29.7
Current , I = 4.8
Resistance= 29.7/ 4.8 = 6.19 amps
In conclusion, Ohm's Law is a formula used to calculate the relationship between voltage, current and resistance in an electrical circuit.
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from the galaxy types listed below, our milky way galaxy is best described as a/an
Answers
Our Milky Way galaxy is best described as a barred spiral galaxy, meaning it has a central bar-shaped structure surrounded by spiral arms.
The Milky Way galaxy is estimated to be around 100,000 light-years in diameter and contains between 100-400 billion stars.
Our solar system is located within one of the spiral arms of the Milky Way, about 25,000 light-years away from the galactic center. The Milky Way is also surrounded by a halo of dark matter, a mysterious substance that does not emit, absorb, or reflect light, but can be detected by its gravitational effects on visible matter. In addition to stars, the Milky Way contains other celestial objects such as planets, asteroids, comets, nebulae, and black holes.Due to the immense size and complexity of the Milky Way galaxy, astronomers continue to study and explore it to better understand the universe we live in. They use advanced technologies such as telescopes, satellites, and computer simulations to learn more about the structure, composition, and evolution of our home galaxy.Know more about the Milky Way galaxy
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A 7.0 kg mass is lifted 4.0 m above the ground. Find the change in gravitational energy.
Answers
\(\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}\)
Actually Welcome to the concept of Graviatoonal Energy.
P = mgh
hence,
E = (7)*(9.8)*(4) = 274.4 joules
==> Energy = 274.4 J
How many nanoCoulombs are there in a milliCoulomb
Answers
Answer:
1 millicoulomb = 1000000 nanocoulombs.
Explanation:
The SI unit for electric charge is Coulomb.
1 coulomb = 1000000000 nC (nanocoulombs)
1 coulomb = 1000 mC (millicoulombs)
At 70 degrees Celsius, the volume of a gas is 49 mL. At the same pressure, it’s volume is 74 mL at what temperature
Answers
Answer:
140 degrees cel
Explanation:
Cold objects are more dense due to the settleing of atoms, when taken advantage of, containers can hold more. but when heated, atoms vibrate alot. due to this they jitter around and take up more space.
a block kept on a frictionless horizontal surface is acted upon by a force of 100N, as shown in the figure below.
What magnitude of force must be applied on the block from the opposite direction to stop its motion?
A) 50 N
B) 75 N
C) 100 N
D) 200 N
Answers
Answer:
The answer to this is C) 100N
4) Gabo bought three chicken dinners for $6.95 each and one hamburger meal for $5.75. He and three friends decide to divide the cost of the meals equally. How much money does Gabo receive in total from his three friends?
(A) $6.35 (B) $6.65 (C) $19.65 (D) $19.95 (E) $26.60
Answers
Answer: the answer is d $19.95
Explanation:
chicken dinner: 6.95 x 3 = 20.85
burger: 5.75
20.85 + 5.75 = 26.6
26.6 divided by 4 (bc theres 4 ppl and the bill needs to be split equally)
26.6/4= 6.65
and since 3 friends are paying him back u gotta do 6.65 x 3 = 19.95
Help please!!!!! How does ozone form from vehicle exhaust?
Answers
Answer: NOx and VOC combine chemically with oxygen to form ozone
Explanation: